NDC codes

FDA NDC Directory
Product NDC (as listed)13668-692Labeler and product segments. Claims need a package NDC.
Product NDC at billing width13668-0692Add 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
13668-692-901366806929090 TABLET, DELAYED RELEASE in 1 BOTTLE (13668-692-90)Marketed from Jan 30, 2024

How the 11-digit form is made: The product segment has 3 digits, so one leading zero is added to it (5-3-2 → 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)
Tiopronin
Generic name (nonproprietary)
tiopronin
Active ingredients
Tiopronin — 300 mg/1
Dosage form
Tablet, Delayed release
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 216990
Marketing start
Listing expires
Other FDA classes
Cystine Disulfide Reduction (Mechanism)N-substituted Glycines (Chemical structure)
Identifiers
Product ID 13668-692_b56545da-a8ae-437a-9757-44862a6d95f0SPL ID b56545da-a8ae-437a-9757-44862a6d95f0SPL set ID ad750031-08ec-4d92-af2d-97a80c454e14RxCUI 2178075, 2178079UNII C5W04GO61SUPC 0313668692907, 0313668691030
Pharmacologic class
Reducing and Complexing Thiol

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

N413668069290 followed by a unit qualifier and the quantity

Package 13668-0692-90. 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 .

Indications (excerpt from the label)

Tiopronin delayed-release tablets are indicated, in combination with high fluid intake, alkali, and diet modification, for the prevention of cystine stone formation in adults and pediatric patients 9 years of age and older with severe homozygous cystinuria, who are not responsive to these measures alone. Additional pediatric use information is approved for Mission Pharmacal Company’s Thiola EC (tiopronin delayed-release) tablets. However, due to Mission Pharmacal Company’s marketing exclusivity rights, this drug product is not labeled with that information. Tiopronin delayed-release tablets are a reducing and complexing thiol indicated, in combination with high fluid intake, alkali, and diet…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 216990

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

FDA NDC Directory listings under ANDA 216990
ProductStrengthForm · routeLabelerProduct NDC
VenxxivatioproninTiopronin 100 mg/1Tablet, Delayed releaseOralCycle Pharmaceuticals Ltd.70709-121
VenxxivatioproninTiopronin 300 mg/1Tablet, Delayed releaseOralCycle Pharmaceuticals Ltd.70709-123
TioproninTiopronin 100 mg/1Tablet, Delayed releaseOralTorrent Pharmaceuticals Limited13668-691

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