NDC codes

FDA NDC Directory
Product NDC (as listed)51991-620Labeler and product segments. Claims need a package NDC.
Product NDC at billing width51991-0620Add 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
51991-620-10519910620101000 TABLET in 1 BOTTLE (51991-620-10)Marketed from Jun 28, 2010
51991-620-335199106203330 TABLET in 1 BOTTLE (51991-620-33)Marketed from Jun 28, 2010
51991-620-905199106209090 TABLET in 1 BOTTLE (51991-620-90)Marketed from Apr 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)
Anastrozole
Generic name (nonproprietary)
anastrozole
Active ingredients
Anastrozole — 1 mg/1
Dosage form
Tablet
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 079220
Marketing start
Listing expires
Other FDA classes
Aromatase Inhibitors (Mechanism)
Identifiers
Product ID 51991-620_c014dfc0-811e-46bc-bcb7-3da430074a56SPL ID c014dfc0-811e-46bc-bcb7-3da430074a56SPL set ID ca9d4aff-ffdf-4a46-ad20-e47e5886a19eRxCUI 199224UNII 2Z07MYW1AZUPC 0351991620907
Pharmacologic class
Aromatase Inhibitor

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

N451991062010 followed by a unit qualifier and the quantity

Package 51991-0620-10. 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 .

Indications (excerpt from the label)

Anastrozole tablets are an aromatase inhibitor indicated for: Adjuvant treatment of postmenopausal women with hormone receptor-positive early breast cancer ( 1.1 ) First-line treatment of postmenopausal women with hormone receptor-positive or hormone receptor unknown locally advanced or metastatic breast cancer ( 1.2 ) Treatment of advanced breast cancer in postmenopausal women with disease progression following tamoxifen therapy. Patients with ER-negative disease and patients who did not respond to previous tamoxifen therapy rarely responded to anastrozole tablets ( 1.3 ) 1.1 Adjuvant Treatment Anastrozole tablets are indicated for adjuvant treatment of postmenopausal women with hormone rec…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 079220

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

FDA NDC Directory listings under ANDA 079220
ProductStrengthForm · routeLabelerProduct NDC
AnastrozoleAnastrozole 1 mg/1TabletOralAvKARE42291-016
AnastrozoleAnastrozole 1 mg/1TabletOralNuCare Pharmaceuticals, Inc.68071-3853
AnastrozoleAnastrozole 1 mg/1TabletOralNatco Pharma Limited63850-0010
AnastrozoleAnastrozole 1 mg/1TabletOralBryant Ranch Prepack71335-1879
AnastrozoleAnastrozole 1 mg/1TabletOralPD-Rx Pharmaceuticals, Inc.43063-383
AnastrozoleAnastrozole 1 mg/1TabletOralAvPAK50268-075
AnastrozoleAnastrozole 1 mg/1TabletOralA-S Medication Solutions50090-5002
AnastrozoleAnastrozole 1 mg/1TabletOralNuCare Pharmaceuticals,Inc.68071-4038
AnastrozoleAnastrozole 1 mg/1TabletOralNuCare Pharmaceuticals,Inc.68071-3838

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