NDC codes

FDA NDC Directory
Product NDC (as listed)42291-824Labeler and product segments. Claims need a package NDC.
Product NDC at billing width42291-0824Add 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
42291-824-1042291082410422910824101000 TABLET, EXTENDED RELEASE in 1 BOTTLE (42291-824-10)Marketed from Nov 3, 2025
42291-824-504229108245042291082450500 TABLET, EXTENDED RELEASE in 1 BOTTLE (42291-824-50)Marketed from Jun 11, 2024
42291-824-90422910824904229108249090 TABLET, EXTENDED RELEASE in 1 BOTTLE (42291-824-90)Marketed from Jun 11, 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)
Metformin hydrochloride ERSuffix: ER
Generic name (nonproprietary)
metformin hydrochloride
Active ingredients
Metformin hydrochloride — 750 mg/1
Dosage form
Tablet, Extended release
Route
Oral
Labeler
AvKARENDC labeler code 42291
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 207427
Marketing start
Listing expires
Other FDA classes
Biguanides (Chemical structure)
Identifiers
Product ID 42291-824_42c9e096-bccc-ad6e-e063-6294a90a4e5eSPL ID 42c9e096-bccc-ad6e-e063-6294a90a4e5eSPL set ID 1aa40000-877f-8ea4-e063-6394a90a0e31RxCUI 860975, 860981UNII 786Z46389EUPC 0342291824904, 0342291825901
Pharmacologic class
Biguanide

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

N442291082410 followed by a unit qualifier and the quantity

Package 42291-0824-10. 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)

Metformin hydrochloride extended-release tablets are indicated as an adjunct to diet and exercise to improve glycemic control in patients with type 2 diabetes mellitus. Metformin Hydrochloride Extended-release Tablets are a biguanide indicated as an adjunct to diet and exercise to improve glycemic control in adults with type 2 diabetes mellitus. (1)

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 42291-824

What is NDC 42291-824?
42291-824 is the product NDC for Metformin hydrochloride ER (metformin hydrochloride), Metformin hydrochloride 750 mg/1 tablet, extended release, listed with the FDA by AvKARE. It has 3 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Metformin hydrochloride ER (Metformin hydrochloride).
What is the active ingredient?
Metformin hydrochloride.
Who is the labeler?
AvKARE, NDC labeler code 42291. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Metformin hydrochloride ER?
5 other product NDCs are listed under this name. See all Metformin hydrochloride ER 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 Metformin hydrochloride ER NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
Metformin Hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 500 mg/1Tablet, Extended releaseOralLeading Pharma, LLC69315-41069315-0410-0169315-0410-05
Metformin hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 750 mg/1Tablet, Extended releaseOralAphena Pharma Solutions - Tennessee, LLC71610-86771610-0867-5371610-0867-6071610-0867-70+1 more
Metformin hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 750 mg/1Tablet, Extended releaseOralAphena Pharma Solutions - Tennessee, LLC71610-66671610-0666-5371610-0666-6071610-0666-80
Metformin hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 750 mg/1Tablet, Extended releaseOralPD-Rx Pharmaceuticals, Inc.72789-10672789-0106-0172789-0106-8272789-0106-90+1 more
Metformin hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 750 mg/1Tablet, Extended releaseOralUNICHEM PHARMACEUTICALS (USA), INC.76385-12976385-0129-0176385-0129-50

Other NDCs under ANDA 207427

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

FDA NDC Directory listings under ANDA 207427
ProductStrengthForm · routeLabelerProduct NDC
Metformin hydrochlorideMetformin hydrochloride 500 mg/1Tablet, Extended releaseOralAphena Pharma Solutions - Tennessee, LLC71610-587
Metformin hydrochlorideMetformin hydrochloride 500 mg/1Tablet, Extended releaseOralAphena Pharma Solutions - Tennessee, LLC71610-858
Metformin hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 750 mg/1Tablet, Extended releaseOralAphena Pharma Solutions - Tennessee, LLC71610-867
Metformin hydrochlorideMetformin hydrochloride 500 mg/1Tablet, Extended releaseOralPD-Rx Pharmaceuticals, Inc.72789-105
Metformin hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 750 mg/1Tablet, Extended releaseOralPD-Rx Pharmaceuticals, Inc.72789-106
Metformin hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 750 mg/1Tablet, Extended releaseOralAphena Pharma Solutions - Tennessee, LLC71610-666
Metformin hydrochlorideMetformin hydrochloride 500 mg/1Tablet, Extended releaseOralAvKARE42291-825
Metformin hydrochlorideMetformin hydrochloride 500 mg/1Tablet, Extended releaseOralUNICHEM PHARMACEUTICALS (USA), INC.76385-128
Metformin hydrochloride ERmetformin hydrochlorideMetformin hydrochloride 750 mg/1Tablet, Extended releaseOralUNICHEM PHARMACEUTICALS (USA), INC.76385-129
Metformin hydrochlorideMetformin hydrochloride 500 mg/1Tablet, Extended releaseOralAphena Pharma Solutions - Tennessee, LLC71610-554

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