NDC codes

FDA NDC Directory
Product NDC (as listed)71335-3083Labeler and product segments. Claims need a package NDC.
Product NDC at billing width71335-3083Add the package segment from the table below.
Package NDCs as listed with the FDA, and the 11-digit 5-4-2 form used on claims. The highlighted digit is the added leading zero.
Package NDC11-digit (billing)PackageCopy
71335-3083-17133530830130 TABLET in 1 BOTTLE (71335-3083-1)Marketed from Feb 16, 2026

How the 11-digit form is made: The package segment has 1 digit, so one leading zero is added to it (5-4-1 → 5-4-2). Formatting the NDC does not by itself make it billable — the product, package and quantity must match what was dispensed or administered, and payer rules apply. Conversion rules

Product information

Brand name (proprietary)
Isoniazid
Generic name (nonproprietary)
isoniazid
Active ingredients
Isoniazid100 mg/1
Dosage form
Tablet
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 080936
Marketing start
Marketing end
Identifiers
Product ID 71335-3083_8a54747c-67c0-42c9-bc36-bea05101c811SPL ID 8a54747c-67c0-42c9-bc36-bea05101c811SPL set ID 03bf3bd5-64f9-4491-89fd-96c5c10d0129RxCUI 311166UNII V83O1VOZ8L
Pharmacologic class
Antimycobacterial

Billing references

What Med-Code can say about coding this product, and where each statement comes from. Nothing here is inferred from the name alone.

HCPCS codeNo match

No HCPCS code in Med-Code's directory. Oral products like this are usually dispensed by a pharmacy and billed by NDC.

NDC on a medical claim

N471335308301 followed by a unit qualifier and the quantity

Package 71335-3083-01. Unit qualifiers: F2 (international unit), GR (gram), ME (milligram), ML (milliliter), UN (unit (each)). The qualifier and quantity depend on what was given. About the N4 qualifier

Product label

Current FDA label (SPL), effective . This label includes a boxed warning.

Indications (excerpt from the label)

INDICATIONS AND USAGE Isoniazid tablets, USP are recommended for all forms of tuberculosis in which organisms are susceptible. However, active tuberculosis must be treated with multiple concomitant anti-tuberculosis medications to prevent the emergence of drug resistance. Single-drug treatment of active tuberculosis with isoniazid or any other medication, is inadequate therapy. Isoniazid tablets, USP are recommended as preventive therapy for the following groups, regardless of age. (Note: the criterion for a positive reaction to a skin test (in millimeters of induration) for each group is given in parenthesis): Persons with human immunodeficiency virus (HIV) infection (greater than or equal

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 080936

Products listed under the same FDA application: other strengths and forms, and repackagers who relabel the same product.

FDA NDC Directory listings under ANDA 080936
ProductStrengthForm · routeLabelerProduct NDC
IsoniazidIsoniazid 100 mg/1TabletOralTeva Pharmaceuticals USA, Inc.0555-0066
IsoniazidIsoniazid 100 mg/1TabletOralGenus Lifesciences64950-216
IsoniazidIsoniazid 100 mg/1TabletOralA-S Medication Solutions50090-0410

Free account

Keep searching with a free account

You’ve used your 3 free searches for this session. Log in or create a free Med-Code account to keep looking up NDCs, J-codes and drugs.

Create a free accountLog in