What is NDC 13668-185?

13668-185 is the product NDC for Sildenafil, Sildenafil citrate 20 mg/1 tablet, film coated, listed with the FDA by Torrent Pharmaceuticals Limited. It has 5 package NDCs, shown above in 10- and 11-digit form.

Torrent Pharmaceuticals Limited, NDC labeler code 13668. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Sildenafil?

150 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Sildenafil NDC 13668-185 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)13668-185Labeler and product segments. Claims need a package NDC.

Product NDC at billing width13668-0185Add 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
13668-185-05	1366801850513668018505	500 TABLET, FILM COATED in 1 BOTTLE (13668-185-05)Marketed from Nov 6, 2012
13668-185-10	1366801851013668018510	1000 TABLET, FILM COATED in 1 BOTTLE (13668-185-10)Marketed from Dec 4, 2024
13668-185-30	1366801853013668018530	30 TABLET, FILM COATED in 1 BOTTLE (13668-185-30)Marketed from Nov 6, 2012
13668-185-51	1366801855113668018551	5000 TABLET, FILM COATED in 1 BOTTLE (13668-185-51)Marketed from Nov 6, 2012
13668-185-90	1366801859013668018590	90 TABLET, FILM COATED in 1 BOTTLE (13668-185-90)Marketed from Nov 6, 2012

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
Active ingredients: Sildenafil citrate — 20 mg/1
Dosage form: Tablet, Film coated
Route: Oral
Labeler: Torrent Pharmaceuticals LimitedNDC labeler code 13668
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 091479
Marketing start: Nov 6, 2012
Listing expires: Dec 31, 2027
Other FDA classes: Phosphodiesterase 5 Inhibitors (Mechanism)
Identifiers: Product ID 13668-185_8b584f5d-8030-4f91-a129-8120f9e1b204SPL ID 8b584f5d-8030-4f91-a129-8120f9e1b204SPL set ID 1bc081f2-399d-43fa-9e0f-9f8df0118e99RxCUI 577033UNII BW9B0ZE037UPC 0313668185300
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

N413668018505 followed by a unit qualifier and the quantity

Package 13668-0185-05. 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 May 21, 2026.

Indications (excerpt from the label)

Adults Sildenafil citrate 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 delay clinical worsening. ( 1 ) Adults Sildenafil tablets are 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) tablets. However, due to Viatris Specialty LLC's marketing exclusivity rights, this drug product is not labeled with …

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 13668-185

What is NDC 13668-185?: 13668-185 is the product NDC for Sildenafil, Sildenafil citrate 20 mg/1 tablet, film coated, listed with the FDA by Torrent Pharmaceuticals Limited. It has 5 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Sildenafil.
What is the active ingredient?: Sildenafil citrate.
Who is the labeler?: Torrent Pharmaceuticals Limited, NDC labeler code 13668. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Sildenafil?: 150 other product NDCs are listed under this name. See all Sildenafil 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 Sildenafil NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Sildenafil	Sildenafil citrate 25 mg/1	Tablet, Film coatedOral	Jubilant Cadista Pharmaceuticals Inc.	59746-434	59746-0434-0359746-0434-0459746-0434-05+2 more
Sildenafil	Sildenafil citrate 50 mg/1	Tablet, Film coatedOral	Jubilant Cadista Pharmaceuticals Inc.	59746-435	59746-0435-0159746-0435-0359746-0435-04+3 more
Sildenafil	Sildenafil citrate 100 mg/1	Tablet, Film coatedOral	Jubilant Cadista Pharmaceuticals Inc.	59746-436	59746-0436-0159746-0436-0359746-0436-04+3 more
Sildenafil	Sildenafil citrate 20 mg/1	TabletOral	REMEDYREPACK INC.	70518-4596	70518-4596-00
Sildenafilsildenafil citrate	Sildenafil citrate 25 mg/1	FilmOral	Yaral Pharma Inc.	82347-0205	82347-0205-0482347-0205-0582347-0205-06
Sildenafilsildenafil citrate	Sildenafil citrate 50 mg/1	FilmOral	Yaral Pharma Inc.	82347-0210	82347-0210-0482347-0210-0582347-0210-06
Sildenafilsildenafil citrate	Sildenafil citrate 75 mg/1	FilmOral	Yaral Pharma Inc.	82347-0215	82347-0215-0482347-0215-0582347-0215-06
Sildenafilsildenafil citrate	Sildenafil citrate 100 mg/1	FilmOral	Yaral Pharma Inc.	82347-0220	82347-0220-0482347-0220-0582347-0220-06
Sildenafil	Sildenafil citrate 20 mg/1	Tablet, Film coatedOral	Golden State Medical Supply, Inc.	51407-987	51407-0987-90
Sildenafil	Sildenafil citrate 20 mg/1	TabletOral	AvKARE	42291-937	42291-0937-90

All 151 Sildenafil NDCs

Other NDCs under ANDA 091479

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

FDA NDC Directory listings under ANDA 091479
Product	Strength	Form · route	Labeler	Product NDC
Sildenafil	Sildenafil citrate 20 mg/1	Tablet, Film coatedOral	Major Pharmaceuticals	0904-6671
Sildenafil	Sildenafil citrate 20 mg/1	Tablet, Film coatedOral	Cardinal Health 107, LLC	55154-4307
Sildenafil	Sildenafil citrate 20 mg/1	Tablet, Film coatedOral	NuCare Pharmaceuticals, Inc.	68071-3954
Sildenafil	Sildenafil citrate 20 mg/1	Tablet, Film coatedOral	Bryant Ranch Prepack	71335-2657
Sildenafil	Sildenafil citrate 20 mg/1	Tablet, Film coatedOral	Proficient Rx LP	82804-243
Sildenafil Citrate	Sildenafil citrate 20 mg/1	TabletOral	A-S Medication Solutions	50090-3905
Sildenafil Citrate	Sildenafil citrate 20 mg/1	TabletOral	Asclemed USA, Inc.	76420-613
Sildenafil Citrate	Sildenafil citrate 20 mg/1	TabletOral	Advanced Rx Pharmacy of Tennessee, LLC	80425-0304