What is NDC 23155-797?

23155-797 is the product NDC for Doxepin Hydrochloride, Doxepin hydrochloride 75 mg/1 capsule, listed with the FDA by Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.

Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc., NDC labeler code 23155. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Doxepin Hydrochloride?

173 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Doxepin Hydrochloride NDC 23155-797

NDC codes

FDA NDC Directory

Product NDC (as listed)23155-797Labeler and product segments. Claims need a package NDC.

Product NDC at billing width23155-0797Add 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
23155-797-01	2315507970123155079701	100 CAPSULE in 1 BOTTLE (23155-797-01)Marketed from Dec 30, 2021

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): Doxepin Hydrochloride
Generic name (nonproprietary): doxepin hydrochloride
Active ingredients: Doxepin hydrochloride — 75 mg/1
Dosage form: Capsule
Route: Oral
Labeler: Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.NDC labeler code 23155
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 214908
Marketing start: Dec 30, 2021
Listing expires: Dec 31, 2027
Identifiers: Product ID 23155-797_b170c5a1-48e2-4532-8324-cce5229fe09bSPL ID b170c5a1-48e2-4532-8324-cce5229fe09bSPL set ID 89ed6385-cf6a-458e-81ea-c7f3fead41c5RxCUI 1000048, 1000058, 1000070, 1000076, 1000097UNII 3U9A0FE9N5
Pharmacologic class: Tricyclic Antidepressant

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

N423155079701 followed by a unit qualifier and the quantity

Package 23155-0797-01. 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 Sep 9, 2025. This label includes a boxed warning.

Indications (excerpt from the label)

Doxepin hydrochloride capsules is indicated for the treatment of major depressive disorder (MDD) in adults. • Doxepin hydrochloride capsules are tricyclic antidepressant (TCA) indicated for the treatment of major depressive disorder (MDD) in adults.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 23155-797

What is NDC 23155-797?: 23155-797 is the product NDC for Doxepin Hydrochloride, Doxepin hydrochloride 75 mg/1 capsule, listed with the FDA by Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Doxepin Hydrochloride.
What is the active ingredient?: Doxepin hydrochloride.
Who is the labeler?: Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc., NDC labeler code 23155. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Doxepin Hydrochloride?: 173 other product NDCs are listed under this name. See all Doxepin Hydrochloride 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 Doxepin Hydrochloride NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Doxepin Hydrochloride	Doxepin hydrochloride 50 mg/g	CreamTopical	Sun Pharmaceutical Industries, Inc.	51672-1404	51672-1404-0251672-1404-09
Doxepin Hydrochloride	Doxepin hydrochloride 150 mg/1	CapsuleOral	REMEDYREPACK INC.	70518-4733	70518-4733-00
Doxepin hydrochloride	Doxepin hydrochloride 50 mg/1	CapsuleOral	Coupler LLC	67046-0394	67046-0394-03
Doxepin hydrochloride	Doxepin hydrochloride 25 mg/1	CapsuleOral	Coupler LLC	67046-0393	67046-0393-03
Doxepin Hydrochloride	Doxepin hydrochloride 10 mg/1	CapsuleOral	Safecor Health, LLC	48433-035	48433-0035-20
Doxepin Hydrochloride	Doxepin hydrochloride 25 mg/1	CapsuleOral	Safecor Health, LLC	48433-036	48433-0036-20
Doxepin Hydrochloride	Doxepin hydrochloride 50 mg/1	CapsuleOral	Safecor Health, LLC	48433-037	48433-0037-20
Doxepin Hydrochloride	Doxepin hydrochloride 100 mg/1	CapsuleOral	Safecor Health, LLC	48433-038	48433-0038-20
doxepin hydrochloride	Doxepin hydrochloride 3 mg/1	TabletOral	Sun Pharmaceutical Industries, Inc.	51672-4246	51672-4246-02
doxepin hydrochloride	Doxepin hydrochloride 6 mg/1	TabletOral	Sun Pharmaceutical Industries, Inc.	51672-4247	51672-4247-02

All 174 Doxepin Hydrochloride NDCs

Other NDCs under ANDA 214908

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

FDA NDC Directory listings under ANDA 214908
Product	Strength	Form · route	Labeler	Product NDC
Doxepin Hydrochloride	Doxepin hydrochloride 10 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-794
Doxepin Hydrochloride	Doxepin hydrochloride 25 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-795
Doxepin Hydrochloride	Doxepin hydrochloride 50 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-796
Doxepin Hydrochloride	Doxepin hydrochloride 100 mg/1	CapsuleOral	Heritage Pharmaceuticals Inc. d/b/a Avet Pharmaceuticals Inc.	23155-798
Doxepin Hydrochloride	Doxepin hydrochloride 10 mg/1	CapsuleOral	Appco Pharma LLC	55801-527
Doxepin Hydrochloride	Doxepin hydrochloride 25 mg/1	CapsuleOral	Appco Pharma LLC	55801-528
Doxepin Hydrochloride	Doxepin hydrochloride 50 mg/1	CapsuleOral	Appco Pharma LLC	55801-529
Doxepin Hydrochloride	Doxepin hydrochloride 75 mg/1	CapsuleOral	Appco Pharma LLC	55801-530
Doxepin Hydrochloridedoxepn hydrochloride	Doxepin hydrochloride 100 mg/1	CapsuleOral	Appco Pharma LLC	55801-531