What is NDC 50991-136?

50991-136 is the product NDC for Endal, Triprolidine hydrochloride 1.25 mg/5mL; Dextromethorphan hydrobromide 10 mg/5mL liquid, listed with the FDA by Poly Pharmaceuticals, Inc.. It has 3 package NDCs, shown above in 10- and 11-digit form.

What drug is associated with this NDC?

Endal (Triprolidine HCl, Dextromethorphan HBr).

What is the active ingredient?

Triprolidine hydrochloride, Dextromethorphan hydrobromide.

Poly Pharmaceuticals, Inc., NDC labeler code 50991. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Endal?

None: this is the only finished product listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Endal NDC 50991-136 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)50991-136Labeler and product segments. Claims need a package NDC.

Product NDC at billing width50991-0136Add 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
50991-136-05	5099101360550991013605	5 mL in 1 BOTTLE (50991-136-05)Marketed from Oct 29, 2025
50991-136-15	5099101361550991013615	15 mL in 1 BOTTLE (50991-136-15)Marketed from May 22, 2023
50991-136-16	5099101361650991013616	473 mL in 1 BOTTLE (50991-136-16)Marketed from May 22, 2023

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): Endal
Generic name (nonproprietary): triprolidine hcl, dextromethorphan hbr
Active ingredients: Triprolidine hydrochloride — 1.25 mg/5mLDextromethorphan hydrobromide — 10 mg/5mL
Dosage form: Liquid
Route: Oral
Labeler: Poly Pharmaceuticals, Inc.NDC labeler code 50991
Product type: Over-the-counter drug
Marketing category: OTC monograph drugApplication M 012
Marketing start: May 22, 2023
Listing expires: Dec 31, 2026
Other FDA classes: Sigma-1 Receptor Agonists (Mechanism)Uncompetitive NMDA Receptor Antagonists (Mechanism)
Identifiers: Product ID 50991-136_42678322-4335-74c0-e063-6394a90a77cbSPL ID 42678322-4335-74c0-e063-6394a90a77cbSPL set ID fc5401e2-ed65-72e7-e053-6294a90a81f3RxCUI 2637485UNII YAN7R5L890, 9D2RTI9KYHUPC 0350991136166
Pharmacologic class: Sigma-1 Agonist; Uncompetitive N-methyl-D-aspartate Receptor Antagonist

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

N450991013605 followed by a unit qualifier and the quantity

Package 50991-0136-05. 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 Oct 30, 2025.

Indications (excerpt from the label)

Uses Uses temporarily relieves these symptoms due to the common cold, hay fever (allergic rhinitis) or other upper respiratory allergies: runny nose sneezing itching of the nose or throat itchy, watery eyes cough due to minor throat and bronchial irritation

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 50991-136

What is NDC 50991-136?: 50991-136 is the product NDC for Endal, Triprolidine hydrochloride 1.25 mg/5mL; Dextromethorphan hydrobromide 10 mg/5mL liquid, listed with the FDA by Poly Pharmaceuticals, Inc.. It has 3 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Endal (Triprolidine HCl, Dextromethorphan HBr).
What is the active ingredient?: Triprolidine hydrochloride, Dextromethorphan hydrobromide.
Who is the labeler?: Poly Pharmaceuticals, Inc., NDC labeler code 50991. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Endal?: None: this is the only finished product listed under this name.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Other NDCs under M 012

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

FDA NDC Directory listings under M 012
Product	Strength	Form · route	Labeler	Product NDC
Cough Reliefdextromethorphan hydrobromide	Dextromethorphan hydrobromide 15 mg/1	Capsule, Liquid filledOral	Advanced Rx LLC	80513-311
TARGET Multi Symptom Flu Reliefacetaminophen, dextromethorphan hbr, and acetaminophen, chlorpheniramine maleate, dextromethorphan hbr	—	Kit	TARGET CORPORATION	82442-559
Geri-Dryl allergy reliefdiphenhydramine hcl	Diphenhydramine hydrochloride 25 mg/1	Tablet, CoatedOral	VerityRx	83939-0683
Multi Symptom Cold and Multi Symptom Nighttime Cold Childrensdextromethorphan hbr, guaifenesin, phenylephrine hci, acetaminophen, diphenhydramine hci, phenylephrine hci	—	Kit	TARGET Corporation	11673-420
Welmedix HomeCare PRO Extra Strength Rapid Rash Reliefpetrolatum, zinc oxide	Petrolatum 49 g/100g; Zinc oxide 15 g/100g	CreamTopical	Welmedix LLC	24330-410
topcare nite time cold and fluacetaminophen, dextromethorphan hbr, doxylamine succinate	Acetaminophen 325 mg/1 + 2 more ingredients	Capsule, Liquid filledOral	Topco Associates LLC	36800-143
Allergy Childrensdiphenhydramine hydrochloride	Diphenhydramine hydrochloride 12.5 mg/5mL	LiquidOral	H E B	37808-012
Mucus Relief Cough Childrensdextromethorphan hbr, guaifensin	Dextromethorphan hydrobromide 5 mg/5mL; Guaifenesin 100 mg/5mL	LiquidOral	H E B	37808-594
Sunmark Chest Congestion Relief DM DMdextromethorphan hydrobromide / guaifenesin	Dextromethorphan hydrobromide 20 mg/1; Guaifenesin 400 mg/1	TabletOral	Strategic Sourcing Services LLC	49348-728
Dual Action Honey Lemon Cough Suppressant Oral Anestheticmenthol	Menthol 8.3 mg/1	LozengeOral	Ricola Ag	54305-323
Discount drug mart Extra Moisturizingoxymetazoline hydrochloride	Oxymetazoline hydrochloride .05 g/100mL	SprayNasal	DISCOUNT DRUG MART	53943-720
Mucus Reliefguaifenesin	Guaifenesin 400 mg/1	TabletOral	Geri-Care Pharmaceuticals, Corp	57896-714
Robitussin Maximum Strength Severe Multi-Symptom Cough Cold Flu Nighttimeacetaminophen, diphenhydramine hcl	Acetaminophen 650 mg/20mL; Diphenhydramine hydrochloride 25 mg/20mL	LiquidOral	Haleon US Holdings LLC	0031-0101
Throat Comfort Orange Mint Cinnamon Dropsmenthol	Menthol 3.6 mg/1	LozengeOral	Ricola USA Inc.	63667-342
Non-Drowsy Sinus Severe, Circle Kacetaminophen, guaifenesin, phenylephrine hcl caplet, film-coated	Guaifenesin 200 mg/1 + 2 more ingredients	Tablet, Film coatedOral	Lil' Drug Store products, Inc.	66715-5632
COLD, Flu and Sore Throatacetaminophen, guaifenesin, dextromethorphan hydrobromide, and phenylephrine hydrochloride	Acetaminophen 325 mg/1 + 3 more ingredients	Capsule, Liquid filledOral	Walgreens	0363-9016
Mucus Relief All in One Maximum Strengthacetaminophen, diphenhydramine hcl phenylephrine hcl	Acetaminophen 650 mg/20mL + 2 more ingredients	LiquidOral	Walgreens	0363-9130
Pyrilamine Maleate and Dextromethorphan Hydrobromide	Dextromethorphan hydrobromide 7.5 mg/5mL; Pyrilamine maleate 7.5 mg/5mL	LiquidOral	Westminster Pharmaceuticals, LLC	69367-398
Daytime Cold and Flu Relief Liquid Filled Softgelsacetaminophen, dextromethorphan hbr, phenylephrine hcl	Acetaminophen 325 mg/1 + 2 more ingredients	Capsule, Liquid filledOral	AptaPharma Inc.	76281-604
Cough Dropsmenthol	Menthol 5.8 mg/1	PastilleOral	Topco Associates LLC	76162-016

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Endal (Triprolidine hcl, dextromethorphan hbr) NDC 50991-136