What is NDC 13668-581?

13668-581 is the product NDC for Tadalafil, Tadalafil 20 mg/1 tablet, listed with the FDA by Torrent Pharmaceuticals Limited. It has 2 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 Tadalafil?

242 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Tadalafil NDC 13668-581 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)13668-581Labeler and product segments. Claims need a package NDC.

Product NDC at billing width13668-0581Add 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
13668-581-30	13668058130	30 TABLET in 1 BOTTLE (13668-581-30)Marketed from Mar 26, 2019
13668-581-60	13668058160	60 TABLET in 1 BOTTLE (13668-581-60)Marketed from Nov 21, 2020

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): Tadalafil
Generic name (nonproprietary): tadalafil
Active ingredients: Tadalafil — 20 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Torrent Pharmaceuticals LimitedNDC labeler code 13668
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 212062
Marketing start: Mar 26, 2019
Listing expires: Dec 31, 2027
Other FDA classes: Phosphodiesterase 5 Inhibitors (Mechanism)
Identifiers: Product ID 13668-581_1f85153f-5d3a-40d8-8570-1d969f4efa3cSPL ID 1f85153f-5d3a-40d8-8570-1d969f4efa3cSPL set ID 88132351-7fee-47ef-8007-ef2777543299RxCUI 2123194UNII 742SXX0ICTUPC 0313668581300
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

N413668058130 followed by a unit qualifier and the quantity

Package 13668-0581-30. 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 Mar 5, 2026.

Indications (excerpt from the label)

Tadalafil tablets are phosphodiesterase 5 (PDE5) inhibitor indicated for the treatment of pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability. Studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (23%). ( 1.1 ) 1.1 Pulmonary Arterial Hypertension Tadalafil tablets are indicated for the treatment of pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability. Studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of …

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 13668-581

What is NDC 13668-581?: 13668-581 is the product NDC for Tadalafil, Tadalafil 20 mg/1 tablet, listed with the FDA by Torrent Pharmaceuticals Limited. It has 2 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Tadalafil.
What is the active ingredient?: Tadalafil.
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 Tadalafil?: 242 other product NDCs are listed under this name. See all Tadalafil 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 Tadalafil NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Tadalafil	Tadalafil 2.5 mg/1	Tablet, Film coatedOral	NorthStar Rx, LLC	72603-781	72603-0781-01
Tadalafil	Tadalafil 5 mg/1	Tablet, Film coatedOral	NorthStar Rx, LLC	72603-782	72603-0782-01
Tadalafil	Tadalafil 10 mg/1	Tablet, Film coatedOral	NorthStar Rx, LLC	72603-783	72603-0783-01
Tadalafil	Tadalafil 20 mg/1	Tablet, Film coatedOral	NorthStar Rx, LLC	72603-784	72603-0784-01
Tadalafil	Tadalafil 5 mg/1	TabletOral	REMEDYREPACK INC.	70518-4605	70518-4605-00
tadalafil	Tadalafil 20 mg/1	Tablet, Film coatedOral	Preferred Pharmaceuticals Inc.	68788-4083	68788-4083-0168788-4083-0368788-4083-07
Tadalafil	Tadalafil 20 mg/1	Tablet, Film coatedOral	A-S Medication Solutions	50090-8039	50090-8039-0050090-8039-0150090-8039-02
Tadalafil	Tadalafil 2.5 mg/1	Tablet, Film coatedOral	Umedica Laboratories USA Inc.	60290-027	60290-0027-0160290-0027-0260290-0027-03+1 more
Tadalafil	Tadalafil 5 mg/1	Tablet, Film coatedOral	Umedica Laboratories USA Inc.	60290-028	60290-0028-0160290-0028-0260290-0028-03+1 more
Tadalafil	Tadalafil 10 mg/1	Tablet, Film coatedOral	Umedica Laboratories USA Inc.	60290-029	60290-0029-0160290-0029-0260290-0029-03+1 more

All 243 Tadalafil NDCs