What is NDC 51655-312?

51655-312 is the product NDC for Famotidine, Famotidine 20 mg/1 tablet, listed with the FDA by Northwind Health Company, LLC. It has 2 package NDCs, shown above in 10- and 11-digit form.

Northwind Health Company, LLC, NDC labeler code 51655. 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?

254 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 51655-312 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)51655-312Labeler and product segments. Claims need a package NDC.

Product NDC at billing width51655-0312Add 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
51655-312-20	51655031220	20 TABLET in 1 BOTTLE, PLASTIC (51655-312-20)Marketed from May 22, 2020
51655-312-25	51655031225	60 TABLET in 1 BOTTLE, PLASTIC (51655-312-25)Marketed from May 21, 2020

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 — 20 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Northwind Health Company, LLCNDC labeler code 51655
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 075805
Marketing start: May 21, 2020
Listing expires: Dec 31, 2027
Other FDA classes: Histamine H2 Receptor Antagonists (Mechanism)
Identifiers: Product ID 51655-312_48eaefc6-3b41-0111-e063-6294a90abbd5SPL ID 48eaefc6-3b41-0111-e063-6294a90abbd5SPL set ID ab1cdbbf-d838-020c-e053-2995a90a0f65RxCUI 310273UNII 5QZO15J2Z8
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

N451655031220 followed by a unit qualifier and the quantity

Package 51655-0312-20. 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 Jan 1, 2026.

Indications (excerpt from the label)

Famotidine tablets are indicated in adult and pediatric patients 40 kg and above for the treatment of: • active duodenal ulcer (DU). • active gastric ulcer(GU). • symptomatic non-erosive gastroesophageal reflux disease (GERD). • erosive esophagitis due to GERD, diagnosed by biopsy. Famotidine tablets are indicated in adults for the: • treatment of pathological hypersecretory conditions (e.g., Zollinger-Ellison Syndrome, multiple endocrine neoplasias). • reduction of the risk of duodenal ulcer recurrence. Famotidine is a histamine-2 (H 2 ) receptor antagonist indicated (1): In adult and pediatric patients 40 kg and greater for the treatment of: active duodenal ulcer (DU). active gastric ulcer…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 51655-312

What is NDC 51655-312?: 51655-312 is the product NDC for Famotidine, Famotidine 20 mg/1 tablet, listed with the FDA by Northwind Health Company, LLC. It has 2 package NDCs, 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?: Northwind Health Company, LLC, NDC labeler code 51655. 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?: 254 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 255 Famotidine NDCs

Other NDCs under ANDA 075805

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

FDA NDC Directory listings under ANDA 075805
Product	Strength	Form · route	Labeler	Product NDC
Famotidine	Famotidine 20 mg/1	TabletOral	PD-Rx Pharmaceuticals, Inc.	43063-695
Famotidine	Famotidine 40 mg/1	TabletOral	PD-Rx Pharmaceuticals, Inc.	43063-696
Famotidine	Famotidine 20 mg/1	TabletOral	A-S Medication Solutions	50090-1045
Famotidine	Famotidine 40 mg/1	TabletOral	A-S Medication Solutions	50090-1432
Famotidine	Famotidine 40 mg/1	TabletOral	A-S Medication Solutions	50090-7966
Famotidine	Famotidine 40 mg/1	TabletOral	AvPAK	50268-304
Famotidine	Famotidine 20 mg/1	TabletOral	Golden State Medical Supply, Inc.	51407-683
Famotidine	Famotidine 40 mg/1	TabletOral	Golden State Medical Supply, Inc.	51407-684
Famotidine	Famotidine 40 mg/1	TabletOral	Aphena Pharma Solutions - Tennessee, LLC	53401-036
Famotidine	Famotidine 20 mg/1	TabletOral	Carlsbad Technology, Inc	61442-121
Famotidine	Famotidine 40 mg/1	TabletOral	Carlsbad Technology, Inc	61442-122
Famotidine	Famotidine 20 mg/1	TabletOral	Proficient Rx LP	63187-129
Famotidine	Famotidine 40 mg/1	TabletOral	Bryant Ranch Prepack	63629-2014
Famotidine	Famotidine 40 mg/1	TabletOral	Bryant Ranch Prepack	63629-2015
Famotidine	Famotidine 40 mg/1	TabletOral	Bryant Ranch Prepack	63629-2782
Famotidine	Famotidine 20 mg/1	TabletOral	Bryant Ranch Prepack	63629-7013
Famotidine	Famotidine 20 mg/1	TabletOral	NuCare Pharmaceuticals,Inc.	68071-2306
Famotidine	Famotidine 40 mg/1	TabletOral	NuCare Pharmaceuticals,Inc.	68071-4197
Famotidine	Famotidine 40 mg/1	TabletOral	Proficient Rx LP	71205-257
Famotidine	Famotidine 20 mg/1	TabletOral	Bryant Ranch Prepack	71335-1520

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