Sildenafil (sildenafil citrate) NDC 55150-166

NDC codes

FDA NDC Directory

Product NDC (as listed)55150-166Labeler and product segments. Claims need a package NDC.

Product NDC at billing width55150-0166Add 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
55150-166-13	55150016613	1 VIAL, SINGLE-DOSE in 1 CARTON (55150-166-13) / 12.5 mL in 1 VIAL, SINGLE-DOSEMarketed from Apr 1, 2015

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): Sildenafil
Generic name (nonproprietary): sildenafil citrate
Active ingredients: Sildenafil citrate — 10 mg/12.5mL
Dosage form: Injection, Solution
Route: Intravenous
Labeler: Eugia US LLC
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 203988
Marketing start: Apr 1, 2015
Listing expires: Dec 31, 2027
Other FDA classes: Phosphodiesterase 5 Inhibitors (Mechanism)
Identifiers: Product ID 55150-166_3306ecef-57e6-4fa8-8594-1df5262ba7a3SPL ID 3306ecef-57e6-4fa8-8594-1df5262ba7a3SPL set ID bb92d686-a81e-4b91-8048-693af0534cb3RxCUI 882527UNII BW9B0ZE037UPC 0355150166138
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 drug-specific HCPCS code in Med-Code's directory for this product. The directory is curated and not complete — check the current CMS HCPCS file before billing.

Administration

Drug administration (CPT 96360–96549)

When a clinician administers the drug, the administration is reported separately. Codes in this range cover hydration, therapeutic injections and infusions, and chemotherapy or other complex drug administration. The right code depends on route, duration and drug type, and self-administered drugs are not billed this way.

How CPT relates to drug billing

NDC on a medical claim

N455150016613 followed by a unit qualifier and the quantity

Package 55150-0166-13. 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 Jul 1, 2026.

Indications (excerpt from the label)

Adults Sildenafil injection 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 Patients (1 to 17 Years Old) Sildenafil injection is indicated in pediatric patients 1 to 17 years old for the treatment of pulmonary arterial hypertension (PAH) (WHO Group I) to improve exercise ability and, in pediatric patients too young to perform standardized exercise testing, pulmonary hemodynamics thought to underlie improvements in exercise [see Clinical Studies (14) ] . Adults Sildenafil injection is a phosphodiesterase-5 (PDE-5) inhibit…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)