What is NDC 42571-433?

42571-433 is the product NDC for Famotidine, Famotidine 40 mg/5mL powder, for suspension, listed with the FDA by Micro Labs Limited. It has 1 package NDC, shown above in 10- and 11-digit form.

Micro Labs Limited, NDC labeler code 42571. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Famotidine?

252 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Famotidine NDC 42571-433 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)42571-433Labeler and product segments. Claims need a package NDC.

Product NDC at billing width42571-0433Add 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 NDC	11-digit (billing)	Package	Copy
42571-433-45	4257104334542571043345	50 mL in 1 BOTTLE (42571-433-45)Marketed from Dec 1, 2023

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): Famotidine
Generic name (nonproprietary): famotidine
Active ingredients: Famotidine — 40 mg/5mL
Dosage form: Powder, For suspension
Route: Oral
Labeler: Micro Labs LimitedNDC labeler code 42571
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 217842
Marketing start: Dec 1, 2023
Listing expires: Dec 31, 2027
Other FDA classes: Histamine H2 Receptor Antagonists (Mechanism)
Identifiers: Product ID 42571-433_3b0aa4df-ee1f-e4e3-e063-6394a90a4c66SPL ID 3b0aa4df-ee1f-e4e3-e063-6394a90a4c66SPL set ID 1756ab7d-05c4-4726-8f72-4e8363440968RxCUI 310274UNII 5QZO15J2Z8UPC 0342571433451
Pharmacologic class: Histamine-2 Receptor Antagonist

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

N442571043345 followed by a unit qualifier and the quantity

Package 42571-0433-45. 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 Jul 29, 2025.

Indications (excerpt from the label)

Famotidine for oral suspension is indicated in adults for the treatment of: active duodenal ulcer (DU). active gastric ulcer (GU). symptomatic nonerosive gastroesophageal reflux disease (GERD). erosive esophagitis due to GERD, diagnosed by biopsy. treatment of pathological hypersecretory conditions (e.g., Zollinger-Ellison syndrome, multiple endocrine neoplasias). reduction of the risk of DU recurrence. Famotidine for oral suspension is indicated in pediatric patients 1 year of age and older for the treatment of: peptic ulcer disease. GERD with or without esophagitis and ulcerations. Famotidine for oral suspension is indicated in pediatric patients from birth to less than 1 year of age for t…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 42571-433

What is NDC 42571-433?: 42571-433 is the product NDC for Famotidine, Famotidine 40 mg/5mL powder, for suspension, listed with the FDA by Micro Labs Limited. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Famotidine.
What is the active ingredient?: Famotidine.
Who is the labeler?: Micro Labs Limited, NDC labeler code 42571. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Famotidine?: 252 other product NDCs are listed under this name. See all Famotidine NDCs.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Other finished products listed under the same name: strengths, forms and labelers.

Other Famotidine NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Famotidine	Famotidine 40 mg/5mL	Powder, For suspensionOral	NorthStar Rx LLC	72603-564	72603-0564-01
Famotidine	Famotidine 40 mg/5mL	Powder, For suspensionOral	RISING PHARMA HOLDINGS, INC.	64980-737	64980-0737-50
Famotidine	Famotidine 40 mg/1	Tablet, Film coatedOral	Preferred Pharmaceuticals Inc.	68788-4144	68788-4144-0368788-4144-0468788-4144-06+1 more
Famotidine	Famotidine 20 mg/1	Tablet, Film coatedOral	Advanced Rx of Tennessee, LLC	80425-0589	80425-0589-0180425-0589-0280425-0589-03
Famotidine	Famotidine 20 mg/1	Tablet, Film coatedOral	Family Dollar Stores, LLC	55319-057	55319-0057-1055319-0057-2555319-0057-50
Famotidine	Famotidine 20 mg/1	Tablet, Film coatedOral	Unit Dose Solutions, Inc.	87441-030	87441-0030-01
Famotidine	Famotidine 20 mg/1	TabletOral	Preferred Pharmaceuticals Inc.	68788-4119	68788-4119-0168788-4119-0368788-4119-04+3 more
Famotidine	Famotidine 20 mg/1	Tablet, Film coatedOral	Safecor Health, LLC	48433-150	48433-0150-20
Famotidine	Famotidine 20 mg/1	Tablet, CoatedOral	Preferred Pharmaceuticals Inc.	68788-4088	68788-4088-0368788-4088-0468788-4088-06+1 more
Famotidine	Famotidine 20 mg/1	Tablet, Film coatedOral	REMEDYREPACK INC.	70518-4574	70518-4574-0070518-4574-0170518-4574-02+1 more

All 253 Famotidine NDCs