NDC codes

FDA NDC Directory
Product NDC (as listed)0591-4050Labeler and product segments. Claims need a package NDC.
Product NDC at billing width00591-4050Add 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
0591-4050-94005914050941 BOTTLE in 1 CARTON (0591-4050-94) / 112 mL in 1 BOTTLEMarketed from Aug 17, 2020

How the 11-digit form is made: The labeler segment has 4 digits, so one leading zero is added to it (4-4-2 → 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)
Sildenafil
Generic name (nonproprietary)
sildenafil
Active ingredients
Sildenafil citrate — 10 mg/mL
Dosage form
Powder, For suspension
Route
Oral
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 211534
Marketing start
Listing expires
Other FDA classes
Phosphodiesterase 5 Inhibitors (Mechanism)
Identifiers
Product ID 0591-4050_4c7d4ea0-d3b7-4a20-b5d6-09207153aaadSPL ID 4c7d4ea0-d3b7-4a20-b5d6-09207153aaadSPL set ID 0e6428c0-e0e9-4fc0-8615-6a9678d2286cRxCUI 1307427UNII BW9B0ZE037
Pharmacologic class
Phosphodiesterase 5 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

N400591405094 followed by a unit qualifier and the quantity

Package 00591-4050-94. 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)

Adults Sildenafil for oral suspension is indicated for the treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) in adults to improve exercise ability and delay clinical worsening [see Clinical Studies ( 14 )] . Pediatric use information is approved for Viatris Specialty LLC's, REVATIO (sildenafil) for oral suspension. However, due to Viatris Specialty LLC's marketing exclusivity rights, this drug product is not labeled with that information. Adults Sildenafil is a phosphodiesterase-5 (PDE-5) inhibitor indicated for the treatment of pulmonary arterial hypertension (PAH) (World Health Organization [WHO] Group I) in adults to improve exercise ability and …

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

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