NDC codes

FDA NDC Directory
Product NDC (as listed)51991-982Labeler and product segments. Claims need a package NDC.
Product NDC at billing width51991-0982Add 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
51991-982-015199109820151991098201100 TABLET, EXTENDED RELEASE in 1 BOTTLE (51991-982-01)Marketed from May 18, 2026

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)
Zolpidem Tartrate
Generic name (nonproprietary)
zolpidem tartrate
Active ingredients
Zolpidem tartrate — 12.5 mg/1
Dosage form
Tablet, Extended release
Route
Oral
Labeler
Breckenridge Pharmaceutical, Inc.NDC labeler code 51991
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 213592
Marketing start
Listing expires
DEA schedule
CIV
Other FDA classes
Central Nervous System Depression (Physiologic effect)GABA A Receptor Positive Modulators (Mechanism)
Identifiers
Product ID 51991-982_cc8bcec1-aa3c-4125-884e-207bea54d5b1SPL ID cc8bcec1-aa3c-4125-884e-207bea54d5b1SPL set ID cbda91f7-4411-4016-80d6-0a349931956dRxCUI 854880, 854894UNII WY6W63843KUPC 0351991982012, 0351991981015
Pharmacologic class
gamma-Aminobutyric Acid A Receptor Positive Modulator

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

N451991098201 followed by a unit qualifier and the quantity

Package 51991-0982-01. 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)

Zolpidem tartrate extended-release tablets are indicated for the short-term treatment of insomnia characterized by difficulties with sleep onset and/or sleep maintenance (as measured by wake time after sleep onset). The clinical trials performed in support of efficacy were up to 3 weeks (using polysomnography measurement up to 2 weeks in both adult and elderly patients) and 24 weeks (using patient-reported assessment in adult patients only) in duration [see Clinical Studies (14) ]. Zolpidem tartrate extended-release tablets, a gamma-aminobutyric acid (GABA) A receptor positive modulator, is indicated for the short-term treatment of insomnia characterized by difficulties with sleep onset and/…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 51991-982

What is NDC 51991-982?
51991-982 is the product NDC for Zolpidem Tartrate, Zolpidem tartrate 12.5 mg/1 tablet, extended release, listed with the FDA by Breckenridge Pharmaceutical, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Zolpidem Tartrate.
What is the active ingredient?
Zolpidem tartrate.
Who is the labeler?
Breckenridge Pharmaceutical, Inc., NDC labeler code 51991. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Zolpidem Tartrate?
116 other product NDCs are listed under this name. See all Zolpidem Tartrate 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 Zolpidem Tartrate NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
Zolpidem TartrateZolpidem tartrate 7.5 mg/1CapsuleOralTORRENT PHARMACEUTICALS LIMITED13668-77513668-0775-30
Zolpidem TartrateZolpidem tartrate 6.25 mg/1Tablet, Extended releaseOralBreckenridge Pharmaceutical, Inc.51991-98151991-0981-01
Zolpidem TartrateZolpidem tartrate 7.5 mg/1CapsuleOralUmedica Laboratories USA Inc.60290-08960290-0089-0160290-0089-02
Zolpidem TartrateZolpidem tartrate 10 mg/1Tablet, CoatedOralNorthwind Health Company, LLC82868-07882868-0078-30
Zolpidem TartrateZolpidem tartrate 5 mg/1Tablet, CoatedOralAdvanced Rx of Tennessee, LLC80425-051380425-0513-0180425-0513-0280425-0513-03
Zolpidem TartrateZolpidem tartrate 5 mg/1Tablet, CoatedOralPreferred Pharmaceuticals Inc.68788-885468788-8854-0368788-8854-06
Zolpidem TartrateZolpidem tartrate 5 mg/1Tablet, Film coatedOralAmerican Health Packaging60687-83860687-0838-01
Zolpidem TartrateZolpidem tartrate 12.5 mg/1Tablet, Extended releaseOralSt. Mary's Medical Park Pharmacy60760-81960760-0819-30
Zolpidem TartrateZolpidem tartrate 5 mg/1TabletOralChartwell RX, LLC62135-77862135-0778-90
Zolpidem TartrateZolpidem tartrate 10 mg/1TabletOralChartwell RX, LLC62135-77962135-0779-90

All 117 Zolpidem Tartrate NDCs

Other NDCs under ANDA 213592

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

FDA NDC Directory listings under ANDA 213592
ProductStrengthForm · routeLabelerProduct NDC
Zolpidem TartrateZolpidem tartrate 6.25 mg/1Tablet, Extended releaseOralBreckenridge Pharmaceutical, Inc.51991-981
Zolpidem TartrateZolpidem tartrate 6.25 mg/1Tablet, Extended releaseOralAsclemed USA, Inc.76420-494
Zolpidem TartrateZolpidem tartrate 12.5 mg/1Tablet, Extended releaseOralAsclemed USA, Inc.76420-496

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