NDC Code & Product Code
Registration Services
A National Drug Code (NDC) is the unique 10- or 11-digit, three-segment identifier the U.S. Food and Drug Administration uses to catalog every prescription and OTC drug product marketed in the United States. Each NDC encodes the labeler, the specific drug product (formulation, strength, dosage form), and the commercial package configuration — and it is required for FDA drug listing, pharmacy dispensing, and Medicaid / Medicare billing under 21 CFR Part 207. The NDC is assigned through the SPL (Structured Product Labeling) drug listing process submitted via CDER Direct, and it must be tied to an active FDA Labeler Code. Without a valid NDC in the FDA National Drug Code Directory, your drug product is considered misbranded under FD&C Act §502(o) — exposing it to FDA warning letters, Import Alert listing, pharmacy adjudication rejection, and removal from Amazon, Shopify, and Walmart.
Every drug product marketed in the United States must have a properly assigned National Drug Code (NDC). FDA Registration Assistance handles the complete NDC product code and package code assignment process — ensuring your drug products are correctly identified, listed with the FDA, and fully compliant for commercial distribution.
What Is an NDC Code & Why Every Drug Product Needs One
Under 21 CFR Part 207, every drug product marketed in the United States must carry a unique National Drug Code (NDC) — a three-segment identifier that identifies the labeler, product, and package. The NDC is required for FDA drug listing, pharmacy billing, Medicaid reimbursement, and regulatory compliance. Without a properly assigned NDC, your drug product cannot be legally marketed or billed in the United States.
FDA Registration Assistance assigns your NDC product and package codes correctly, prepares your complete SPL drug listing, and submits it through CDER Direct via the FDA Electronic Submissions Gateway — so your NDC appears in the official FDA National Drug Code Directory and your products are ready for pharmacy dispensing, marketplace listing, and Medicaid / Medicare billing.
- Required for all drug products marketed in the United States
- Three-segment code: Labeler, Product, and Package
- FDA drug listing filed with each NDC assignment
- Required for pharmacy billing and Medicaid reimbursement
- NDC updates required for formulation or packaging changes
Our NDC Code & Product Code Services
Everything drug companies need to obtain, assign, and file NDC codes correctly — from product code assignment to FDA drug listing, handled by experienced FDA compliance specialists.
NDC Product Code Assignment
FDA Registration Assistance assigns the correct product code for each of your drug products — identifying formulation, strength, and dosage form to ensure your NDC is properly structured and FDA-compliant.
Package Code Creation
FDA Registration Assistance creates the correct package code for each commercial package size and type — bottles, blister packs, unit-dose, and other configurations — ensuring accurate NDC segment assignment.
SPL Drug Listing Preparation
FDA Registration Assistance prepares and submits your Structured Product Labeling (SPL) drug listing file to the FDA — linking your assigned NDC codes to your product information in the FDA drug listing database.
NDC Compliance & Update Support
When formulations, packaging, or product details change, FDA Registration Assistance updates your NDC assignment and SPL drug listing to keep your product information current and compliant with FDA requirements.
Trusted NDC Code Registration Specialists
Helping OTC and prescription drug companies assign NDC product and package codes and file SPL drug listings — accurately and on time.
How Our NDC Code Registration Works
A simple four-step process to assign your NDC codes and file your SPL drug listing with the FDA.
Submit Your Product Information
Provide your drug product details — name, formulation, strength, dosage form, and package types — so FDA Registration Assistance can begin the NDC assignment process.
NDC Codes Assigned
FDA Registration Assistance assigns your product code and package codes, creating the complete NDC for each drug product and commercial package size in compliance with FDA requirements.
SPL Drug Listing Submitted
FDA Registration Assistance prepares and submits your SPL drug listing file to the FDA — registering your NDC codes in the official FDA drug listing database for your products.
NDC Confirmed & Compliant
Your NDC codes are confirmed, your drug listing is active in the FDA database, and FDA Registration Assistance provides guidance on any future updates or compliance requirements.
What Every NDC Holder Must Do
Under 21 CFR Part 207, every labeler that holds NDCs for marketed drug products carries a set of concrete compliance duties — failure on any one of them can invalidate the NDC and trigger misbranding enforcement.
Assign Each Product a Unique Product Code
Each unique drug formulation, strength, and dosage form gets its own product code under the labeler's Labeler Code. Reusing product codes across formulations is prohibited and corrupts the FDA drug listing database.
Assign Each Package Size a Unique Package Code
Every commercial package size and configuration — bottle counts, blister packs, unit-dose pouches, kits — must have its own package code, producing a complete and distinct NDC for each SKU.
Submit a Complete SPL Drug Listing
File the SPL XML containing the full NDC, active ingredients, route of administration, marketing category, labeling content, and packaging configurations through CDER Direct via the FDA Electronic Submissions Gateway.
Update Listings Within Required Timeframes
Notify the FDA via SPL update when products are introduced, discontinued, reformulated, or repackaged. Most changes require updates within 3 business days, plus the biannual June / December listing certification.
Print the NDC Correctly on Labeling
Display the NDC clearly and accurately on the immediate container label and outer packaging. Mismatches between printed labels and the FDA NDC Directory cause pharmacy adjudication failures and marketplace audit rejections.
Maintain Active Underlying Registrations
The NDC depends on an active Labeler Code (21 CFR 207.33) and active Drug Establishment Registration. Either record lapsing invalidates the NDC in the FDA NDC Directory until reinstated.
Never Claim FDA Approval Based on the NDC
21 CFR 207.77 expressly prohibits stating or implying that an NDC or Labeler Code constitutes FDA approval. Marketing copy claiming "FDA-approved" based on an NDC alone is misbranding under FD&C Act §502(a).
Format the NDC Correctly for Billing
Convert the published 10-digit FDA NDC into the 11-digit 5-4-2 billing format (with leading zero) for Medicaid, Medicare, and commercial pharmacy claims. Incorrect formatting causes claim rejections at the point of sale.
NDC Code vs. Drug Labeler Code
These two FDA identifiers are routinely confused — but they identify completely different things. The Labeler Code identifies the company; the NDC identifies a specific product configuration.
| Attribute | NDC (National Drug Code) | Drug Labeler Code |
|---|---|---|
| Who Designates It | The labeler assigns the Product Code and Package Code segments under its FDA-assigned Labeler Code | The FDA, in response to an SPL Labeler Code request from the labeler-of-record |
| What It Represents | A specific drug product in a specific commercial package — a complete 10- or 11-digit SKU identifier | The company legally responsible for placing the drug into U.S. commerce — the firm whose name is on the label |
| Required By | FD&C Act §510 + 21 CFR Part 207 — for every commercially marketed drug product | FD&C Act §510 + 21 CFR 207.33 — for every firm whose name appears on a marketed drug |
| Governing Regulation | 21 CFR Part 207 (Subparts C–F) | 21 CFR 207.33 |
| Primary Function | Identifies the exact drug product and package for FDA listing, pharmacy dispensing, and Medicaid / Medicare billing | Identifies the labeler-of-record and forms the first segment of every NDC under that company |
| Required For | Lawful commercial distribution, pharmacy adjudication, marketplace listing, and reimbursement claims | NDC assignment, drug listing, and lawful identification of the company on the product label |
An NDC and a Labeler Code are sequential, not interchangeable. The Labeler Code is the FDA-assigned 5- or 6-digit number that identifies your company — you need one Labeler Code per legal entity. The NDC is the complete 10- or 11-digit product identifier built on top of that Labeler Code: Labeler Code + Product Code + Package Code. You cannot get an NDC without first having an active Labeler Code, and an NDC will not appear in the FDA National Drug Code Directory unless the underlying Labeler Code is active and tied to a verified DUNS record. Most drug companies need both filings in sequence: Labeler Code ($349) first, then NDC Code / Product Code ($199 per product), with an active Drug Establishment Registration ($449/year) underneath.
Self-Filing vs. FDA Registration Assistance
CDER Direct is open to the public — but the SPL drug listing requires HL7 XML, valid NDC segment structure, marketing-category coding, and ingredient validation. Here is what the trade-off looks like.
| Factor | Self-Filing (DIY) | Recommended FDA Registration Assistance |
|---|---|---|
| Cost | $0 government fee + internal staff time, SPL software, ingredient coding research, and rework | $199 USD per product — flat fee covering SPL build, NDC assignment, CDER Direct submission & confirmation |
| Availability | You monitor CDER Direct acknowledgments, parse XML responses, and handle clarification requests yourself | Dedicated regulatory team monitors the FDA review queue and responds during U.S. business hours |
| Drug-Specific Expertise | Requires SPL XML schema knowledge, FDA ingredient coding (UNII), marketing-category rules, and 11-digit billing format conversion | 15+ years of NDC filings across Rx, OTC monograph, OTC switch, and contract-manufactured drug portfolios |
| Risk of Failure | High — malformed segments, invalid marketing categories, missing UNIIs, and DUNS mismatches cause CDER Direct rejection | Pre-submission audit catches errors before filing; rejected submissions are reworked at no extra charge |
| Confirmation & Handling | You verify the NDC in the FDA NDC Directory yourself and chase corrections through CDER Direct | NDC verified in the FDA NDC Directory and delivered to you as clean PDF documentation |
| Renewal & Update Tracking | You must remember the biannual June / December certification and update SPL within 3 days of any product change | Tracked update cadence, advance reminders for biannual certifications, and managed SPL amendments |
NDC assignment looks simple — pick the next available product code, pick a package code, submit — but the SPL drug listing behind it is where most self-filers fail. Invalid marketing categories, missing UNII ingredient codes, mismatched DUNS records, and malformed XML routinely cause CDER Direct rejections that delay NDC publication in the FDA NDC Directory. FDA Registration Assistance has run thousands of these filings and includes all rework, FDA clarification responses, and final NDC Directory verification at the flat $199 per-product fee.
Free / Friend Filing vs. FDA Registration Assistance
You can technically let any party file your SPL drug listing — but the NDC is permanently bound to the labeler in the submission, and a wrong filing can register the product under the wrong company.
| Factor | Free / Friend Filing | Recommended FDA Registration Assistance |
|---|---|---|
| Government Fee | $0 — the FDA does not charge for NDC assignment or SPL drug listing | $0 government fee + $199 service per product (SPL build, submission, NDC verification) |
| Pros | No out-of-pocket cost if a friend already has a CDER Direct account and SPL experience for your Labeler Code | Filed under your Labeler Code, your DUNS, and your legal entity — fully verified in the FDA NDC Directory |
| Cons | If the friend uses their own Labeler Code or company, the NDC is registered to them — pharmacy claims, Amazon listings, and inventory all tie to the wrong entity. Migration requires a brand-new SPL and may force a new NDC. | Predictable cost, correct entity ownership from day one, FDA clarifications handled by professionals |
| Best For | No realistic business case — the NDC must legally belong to the labeler-of-record on the package | Every drug company commercially distributing prescription or OTC drug products in the U.S. |
A "free" NDC filing by a friend is one of the most common ways small drug brands lose ownership of their FDA records. Because the SPL drug listing binds the NDC to the labeler in the submission, an unrelated party filing under their own Labeler Code or DUNS effectively registers your product as theirs. Recovering it requires a new SPL — and may force you to obtain a new NDC entirely. A professional filing under your verified entity prevents this from happening.
NDC & Drug Listing Terms You Will Encounter
A quick reference of the technical acronyms, codes, and submission systems used throughout the NDC assignment and SPL drug listing process.
The complete 10- or 11-digit three-segment identifier (Labeler Code + Product Code + Package Code) the FDA uses to catalog every commercially marketed drug product under 21 CFR Part 207.
The 5- or 6-digit FDA-assigned first segment of the NDC. Identifies the labeler-of-record — the firm whose name appears on the drug product label.
The second NDC segment, assigned by the labeler to identify a specific formulation, strength, and dosage form. Each unique drug product configuration gets its own product code.
The third NDC segment, assigned by the labeler to identify a specific commercial package size and type — every distinct SKU receives its own package code.
The XML-based HL7 standard the FDA requires for electronic submission of drug listings. The SPL file links the NDC to the labeling, ingredients, and product details published in the FDA NDC Directory.
The FDA online portal operated by the Center for Drug Evaluation and Research used to submit SPL drug listings, Labeler Code requests, and NDC updates.
The FDA Electronic Submissions Gateway — the secure transport layer that delivers SPL files from CDER Direct (or vendors) to the FDA review queue.
The FDA's public database of every active drug NDC, searchable by labeler, product name, or NDC. Refreshed daily based on SPL drug listing submissions.
The FDA publishes NDCs in a 10-digit format. For pharmacy billing and Medicaid / Medicare claims, the 11-digit 5-4-2 format is required by adding a leading zero to the appropriate segment.
The regulatory pathway declared in every SPL — NDA, ANDA, BLA, OTC monograph, unapproved drug, or compounded. The marketing category controls how the NDC is treated in FDA databases and pharmacy systems.
Unique Ingredient Identifier — a non-proprietary FDA code assigned to every drug substance and inactive ingredient. UNIIs are required in every SPL drug listing for both actives and excipients.
A nine-digit unique identifier issued by Dun & Bradstreet that the FDA cross-checks against the SPL submission to verify the labeler's legal name and physical address.
Why NDC Submissions Get Rejected or Pulled From the FDA Directory
After 15+ years of SPL drug listing filings, these are the most frequent root causes of NDC rejection, CDER Direct hold, or removal from the FDA National Drug Code Directory.
Inactive or Missing Labeler Code
If the Labeler Code referenced in the SPL is inactive, expired, or belongs to a different legal entity, CDER Direct will reject the submission outright — no NDC will be assigned and no product will appear in the FDA NDC Directory.
Wrong or Missing Marketing Category
Every SPL must declare the correct marketing category (NDA, ANDA, OTC monograph, unapproved drug, etc.). Mismatched or missing marketing categories are the single most common reason CDER Direct issues a clarification request or rejects the listing.
Invalid or Missing UNII Codes
SPL drug listings require valid UNII codes for every active ingredient and every excipient. Custom names, brand ingredients, or unmapped substances fail validation and prevent NDC publication in the directory.
Reused Product or Package Code
Reusing a product code for a new formulation, or a package code for a different package size, corrupts the FDA database. The duplicate NDC will be rejected or held until the segments are corrected through an SPL amendment.
Missed Biannual Listing Certification
21 CFR 207.57 requires every drug listing to be certified each June and December — even when nothing has changed. Skipping certification causes the NDC to be flagged as inactive and dropped from the FDA NDC Directory.
NDC on Label Does Not Match the SPL
If the NDC printed on the immediate container or outer carton does not match what is registered in the SPL drug listing, pharmacy systems reject the claim at adjudication and Amazon / Walmart flag the listing during category audits.
11-Digit Billing Format Errors
The FDA publishes NDCs in 10-digit format, but pharmacy billing requires the 11-digit 5-4-2 format. Adding the leading zero to the wrong segment causes claim rejections at the point of sale even when the underlying FDA registration is correct.
Lapsed Drug Establishment Registration
The NDC depends on an active Drug Establishment Registration for the producing facility. If the establishment registration is not renewed between October 1 and December 31, the underlying NDC is automatically flagged as inactive in the FDA NDC Directory.
Complete FDA Drug Registration Solutions
We offer a full range of FDA registration and compliance services to help your facility and shipments meet all U.S. regulatory requirements.
Drug Establishment Registration
Register your foreign or domestic drug manufacturing, repacking, or relabeling facility with the FDA — $449/year with U.S. Agent included.
Labeler Code Registration
Obtain your FDA Labeler Code — required to identify your company on drug product labels and NDC numbers. $349 per company.
NDC Code / Product Code
Register your National Drug Code (NDC) and product codes with the FDA — mandatory for all drug products commercially distributed in the U.S.
Drug Label & Ingredient Review
Ensure your drug product labels and ingredient declarations meet all FDA labeling requirements before entering the U.S. market.
DUNS Request Assistance
Obtain your DUNS Number required for FDA Drug Establishment Registration and federal compliance — filed accurately on your behalf.
Drug / OTC U.S. Agent Services
Designate a U.S. FDA Agent for your foreign drug establishment — legally required for all foreign drug facilities registered with the FDA.
FDA Drug Listing Certificate
Obtain your official FDA Drug Listing Certificate confirming your drug product is registered and listed with the U.S. Food and Drug Administration.
FDA Drug Master Files (DMF)
Submit an FDA Drug Master File (DMF) to protect confidential manufacturing information while supporting drug product applications and registrations.
Drug Import Alert Removal
Get expert help resolving FDA drug import alerts and detentions to restore your drug products' ability to enter the United States.
Frequently Asked Questions — NDC Code & Product Code Registration
Find answers to the most common questions about NDC code assignment, product code registration, and FDA drug listing from FDA Registration Assistance.
What is an NDC code?
An NDC (National Drug Code) is a unique three-segment numeric identifier assigned to every drug product marketed in the United States. The three segments identify the labeler (manufacturer or distributor), the specific product (formulation, strength, dosage form), and the commercial package (size and type). The FDA requires all marketed drug products to carry a valid NDC.
Who assigns the NDC segments?
The Labeler Code (first segment) is assigned by the FDA and identifies the drug manufacturer, repacker, or distributor. The Product Code (second segment) and Package Code (third segment) are assigned by the labeler. FDA Registration Assistance assists with the complete NDC assignment process — from labeler code confirmation to product and package code creation.
Is an NDC required for all drug products?
Yes. All prescription and OTC drug products marketed in the United States must have a properly assigned NDC and be listed with the FDA through the drug listing process. Failure to obtain and list an NDC can result in regulatory violations, import holds, and restrictions on commercial distribution. FDA Registration Assistance ensures your NDC is correctly assigned and filed.
What is an SPL drug listing?
An SPL (Structured Product Labeling) drug listing is the electronic submission required to register your drug product with the FDA. The SPL file contains your NDC code, product information, labeling content, and ingredient data. FDA Registration Assistance prepares and submits your SPL drug listing file to ensure your product is properly registered in the FDA drug listing database.
What is the difference between the 10-digit and 11-digit NDC format?
The FDA publishes NDCs in a 10-digit format, but for billing and reimbursement — including Medicaid, Medicare, and insurance claims — an 11-digit NDC format is often required. The 11-digit format is created by adding a leading zero to one of the NDC segments. FDA Registration Assistance ensures your NDC is formatted correctly for both FDA registration and billing purposes.
Do I need an FDA Labeler Code before getting an NDC?
Yes. To obtain an NDC, your company must first have an FDA Labeler Code — the five- or six-digit first segment of the NDC assigned by the FDA. If your company does not yet have a Labeler Code, FDA Registration Assistance can assist with both the Labeler Code registration and the subsequent NDC product and package code assignment.
How long does NDC registration take?
Once your FDA Labeler Code is in place, NDC product and package code assignment and SPL drug listing submission can typically be completed within 5–10 business days depending on the complexity of your product portfolio. FDA Registration Assistance provides a timeline estimate upon reviewing your product details.
How much does NDC code registration cost?
FDA Registration Assistance charges $199 USD per drug product for NDC code assignment and SPL drug listing filing. This includes product code assignment, package code creation, and submission of your SPL drug listing to the FDA. Contact FDA Registration Assistance for multi-product pricing and bundled service discounts.
Can foreign companies obtain NDC codes?
Yes. Foreign drug manufacturers, repackers, and labelers who import drug products into the United States can obtain an FDA Labeler Code and NDC codes for their products. FDA Registration Assistance assists both domestic and international companies with the complete NDC registration and drug listing process.
When do NDC codes need to be updated?
NDC codes must be updated when there are changes to a drug product's formulation, strength, dosage form, or commercial packaging. A new product code or package code is required for each new product configuration. FDA Registration Assistance assists with NDC updates and SPL drug listing amendments to keep your product registrations current.
What is a product code vs. a package code?
The product code (second NDC segment) identifies the specific drug product — its formulation, strength, and dosage form. The package code (third NDC segment) identifies the commercial package size and type, such as a 100-count bottle or a 10-unit blister pack. Each unique package configuration requires its own package code. FDA Registration Assistance assigns both correctly.
Is the NDC the same as the FDA registration number?
No. The NDC identifies specific drug products, while the FDA establishment registration number (FEI) identifies the facility that manufactures or distributes those products. Both are required for full FDA compliance. FDA Registration Assistance provides both drug establishment registration and NDC code assignment services.
Is an NDC required for pharmacy billing?
Yes. NDC codes are required for pharmacy dispensing, insurance claims, Medicaid reimbursement, and Medicare billing. A valid, properly formatted NDC is essential for your drug product to be accepted in pharmacy and healthcare billing systems. FDA Registration Assistance ensures your NDC assignment is correct for both FDA and billing compliance.
Can FDA Registration Assistance handle multiple products?
Yes. FDA Registration Assistance handles NDC code assignment and SPL drug listing for single products and large product portfolios. Multi-product pricing is available for companies registering multiple drug products simultaneously. Contact FDA Registration Assistance for a customized quote based on your product line.
What information is needed for NDC registration?
To assign an NDC, FDA Registration Assistance requires your drug product name, active ingredients and strengths, dosage form, route of administration, package sizes and types, and your existing FDA Labeler Code. If you do not have a Labeler Code, FDA Registration Assistance can assist with that process first.
Does FDA Registration Assistance assist with full drug listing compliance?
Yes. In addition to NDC code assignment, FDA Registration Assistance provides complete SPL drug listing preparation and submission, labeler code registration, drug establishment registration, drug label review, and ongoing compliance support. FDA Registration Assistance is a full-service FDA compliance provider for drug companies worldwide.
What does the $199 per-product fee cover, and how does it stack with Labeler Code and Drug Establishment Registration?
The $199 covers everything required to register one drug product: product code assignment, package code creation for each commercial configuration, complete SPL drug listing preparation, and submission through CDER Direct via the FDA Electronic Submissions Gateway. Most drug companies need three sequential services to be fully compliant: Drug Establishment Registration at $449/year (under 21 CFR Part 207, with U.S. Agent included), Drug Labeler Code at $349 (under 21 CFR 207.33), and NDC Code / Product Code at $199 per product. A typical first-year compliance package for one product is $449 + $349 + $199 = $997. Each additional product is +$199, and only the Drug Establishment Registration renews annually.
Can a friend or unrelated party file my NDC and SPL drug listing for me?
Technically yes, but it is strongly discouraged. The SPL drug listing legally ties the NDC to a specific labeler, DUNS, and address. If a friend files under their own CDER Direct account, their own Labeler Code, or their own company name, the NDC will be assigned to them — not to you. Recovering or migrating the NDC requires a new SPL submission under your legal entity and may invalidate downstream pharmacy billing. A professional service files under your verified company, your Labeler Code, and your DUNS so the NDC is owned by your business from day one.
What happens if the FDA does not respond or my SPL drug listing is held during review?
Your NDC will not appear in the FDA National Drug Code Directory and your product cannot be lawfully marketed or billed in the U.S. CDER Direct may issue a clarification request when active ingredients, route of administration, marketing category, or labeling fields are inconsistent. Failure to respond within the review window causes the entire SPL to be rejected, forcing a resubmission. FDA Registration Assistance monitors the submission and responds to FDA queries on your behalf at no extra charge.
How do I change or update an NDC on an existing FDA drug listing?
NDC product and package codes themselves are not transferable between products, but the underlying SPL drug listing can be updated through CDER Direct. Formulation, strength, dosage form, packaging, marketing category, and labeling changes are filed as an SPL amendment. A new product code is required if the formulation, strength, or dosage form changes substantively. A new package code is required for any new package size or configuration. FDA Registration Assistance handles all SPL amendments to keep your NDC accurate and active.
Do I need an NDC to sell my OTC drug or sunscreen on Amazon?
Yes. Amazon's drug and OTC categories — including sunscreens, hand sanitizers, acne products, pain relievers, and topical antiseptics — require sellers to provide a valid FDA NDC and an active SPL drug listing before listings are approved. Without an NDC in the FDA NDC Directory, Amazon will reject the listing or delist existing products during category audits.
Does having an NDC mean my drug is FDA-approved?
No. An NDC is a product identifier — not approval. 21 CFR 207.77 explicitly prohibits representing that an NDC or a Labeler Code implies FDA approval, endorsement, or evaluation. Marketing copy claiming "FDA-approved" because a product has an NDC is misbranding under §502(a) of the FD&C Act.
Are dietary supplements required to have an NDC?
No. NDCs are only for FDA-regulated drug products under 21 CFR Part 207. Dietary supplements are regulated under DSHEA and 21 CFR Part 111 — they do not receive an NDC and should not display one. If a supplement label shows a fabricated NDC-style number, that is misbranding and can trigger FDA enforcement.
Are OTC monograph drugs required to have an NDC?
Yes. OTC monograph drugs — sunscreens, hand sanitizers, antiperspirants, dandruff shampoos, acne treatments, and topical pain relievers — must have an NDC and active SPL drug listing, even though they do not require an individual NDA approval. The NDC requirement applies equally to prescription, OTC monograph, and OTC switch products.
Do contract manufacturers, repackers, and private label brand owners each get their own NDC?
The NDC is tied to the labeler-of-record — the firm whose name appears on the product label. A private label brand owner uses its own Labeler Code (and therefore its own NDCs), even when a contract manufacturer makes the product. A repacker that places its own name on the relabeled package needs its own Labeler Code and NDC, separate from the original manufacturer's NDC.
Can my drug product have multiple NDCs?
Yes. A single drug formulation typically has one product code, but each unique commercial package size or type gets its own package code — and therefore its own complete NDC. A 30-count bottle, a 100-count bottle, and a 10-unit blister pack of the same drug are three separate NDCs.
How do I verify that an NDC is real and active with the FDA?
Use the FDA National Drug Code Directory on FDA.gov to search by NDC, proprietary name, or labeler. If the NDC is not returned by the search, it is either inactive (marketing end date passed), never registered, or fraudulent. FDA Registration Assistance provides directory-verifiable confirmation for every NDC it files.
Can a drug product use a P.O. Box as the labeler address for NDC registration?
No. The SPL drug listing must reference the labeler's physical street address, matched to the underlying DUNS record and Labeler Code. P.O. Boxes, virtual offices, and mail-forwarding addresses are routinely rejected during CDER Direct review.
Do compounding pharmacies and 503B outsourcing facilities need NDCs?
503B outsourcing facilities must have NDCs and submit drug listings under 21 CFR Part 207, including biannual reports of compounded products. Traditional 503A compounding pharmacies that compound only on patient-specific prescriptions are generally exempt from drug listing — and therefore from NDC assignment — unless their operations exceed Section 503A limits.
What is the FDA NDC Directory and how often is it updated?
The FDA NDC Directory is the FDA's public database of every active drug NDC, listed by labeler, product, and package. The FDA refreshes the directory daily based on SPL drug listing submissions through CDER Direct. A new NDC typically appears in the directory within 1–3 business days of FDA acceptance.
Get Your NDC Code & FDA Drug Listing Today
Submit your drug product details and FDA Registration Assistance will assign your NDC codes and file your SPL drug listing with the FDA — ensuring your products are correctly registered, compliant, and ready for commercial distribution.
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