What is NDC 53942-421?

53942-421 is the product NDC for Market Basket Effervescent Antacid and Pain Relief, Sodium bicarbonate 1916 mg/1 + 2 more ingredients tablet, effervescent, listed with the FDA by Demoulas Super Markets, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.

What drug is associated with this NDC?

Market Basket Effervescent Antacid and Pain Relief (Aspirin, Citric Acid, Sodium Bicarbonate).

What is the active ingredient?

Sodium bicarbonate, Aspirin, Anhydrous citric acid.

Demoulas Super Markets, Inc., NDC labeler code 53942. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Market Basket Effervescent Antacid and Pain Relief?

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.

NDC 53942-421

NDC codes

FDA NDC Directory

Product NDC (as listed)53942-421Labeler and product segments. Claims need a package NDC.

Product NDC at billing width53942-0421Add 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
53942-421-36	5394204213653942042136	18 POUCH in 1 CARTON (53942-421-36) / 2 TABLET, EFFERVESCENT in 1 POUCHMarketed from Apr 3, 2026

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): Market Basket Effervescent Antacid and Pain Relief
Generic name (nonproprietary): aspirin, citric acid, sodium bicarbonate
Active ingredients: Sodium bicarbonate — 1916 mg/1Aspirin — 325 mg/1Anhydrous citric acid — 1000 mg/1
Dosage form: Tablet, Effervescent
Route: Oral
Labeler: Demoulas Super Markets, Inc.NDC labeler code 53942
Product type: Over-the-counter drug
Marketing category: OTC monograph drugApplication M 013
Marketing start: Apr 3, 2026
Listing expires: Dec 31, 2027
Other FDA classes: Acidifying Activity (Mechanism)Alkalinizing Activity (Mechanism)Non-Steroidal (Chemical structure)Calcium Chelating Activity (Mechanism)Cyclooxygenase Inhibitors (Mechanism)Decreased Coagulation Factor Activity (Physiologic effect)Decreased Platelet Aggregation (Physiologic effect)Decreased Prostaglandin Production (Physiologic effect)
Identifiers: Product ID 53942-421_518a9f86-77e2-7fad-e063-6294a90a421cSPL ID 518a9f86-77e2-7fad-e063-6294a90a421cSPL set ID e15439c7-0e3c-7752-e053-2995a90a1a40RxCUI 1536675UNII 8MDF5V39QO, R16CO5Y76E, XF417D3PSLUPC 0049705783726
Pharmacologic class: Anti-coagulant; Calculi Dissolution Agent; Nonsteroidal Anti-inflammatory Drug; Platelet Aggregation 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

N453942042136 followed by a unit qualifier and the quantity

Package 53942-0421-36. 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

Label details couldn’t be retrieved right now. Open the label on DailyMed.

About NDC 53942-421

What is NDC 53942-421?: 53942-421 is the product NDC for Market Basket Effervescent Antacid and Pain Relief, Sodium bicarbonate 1916 mg/1 + 2 more ingredients tablet, effervescent, listed with the FDA by Demoulas Super Markets, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Market Basket Effervescent Antacid and Pain Relief (Aspirin, Citric Acid, Sodium Bicarbonate).
What is the active ingredient?: Sodium bicarbonate, Aspirin, Anhydrous citric acid.
Who is the labeler?: Demoulas Super Markets, Inc., NDC labeler code 53942. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Market Basket Effervescent Antacid and Pain Relief?: 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 013

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

FDA NDC Directory listings under M 013
Product	Strength	Form · route	Labeler	Product NDC
Aspirin Low Doseaspirin	Aspirin 81 mg/1	Tablet, Delayed releaseOral	ATLANTIC BIOLOGICALS CORP.	17856-3086
Childrens TYLENOLacetaminophen	Acetaminophen 160 mg/5mL	SuspensionOral	Kenvue Brands LLC	50580-614
Acetaminophen Regular strengthacetaminophen	Acetaminophen 325 mg/1	TabletOral	PD-Rx Pharmaceuticals, Inc.	55289-563
Pain Reliever PM Extra Strengthacetaminophen, diphenhydramine hcl	Acetaminophen 500 mg/1; Diphenhydramine hydrochloride 25 mg/1	Tablet, CoatedOral	TOP CARE (Topco Associates LLC)	36800-466
Acetaminophen 325 Mgacetaminophen	Acetaminophen 325 mg/1	TabletOral	Proficient Rx LP	71205-456
Acetaminophen	Acetaminophen 500 mg/1	Tablet, CoatedOral	Harris Teeter	72036-170
Topcare Aspirinaspirin	Aspirin 81 mg/1	Tablet, ChewableOral	Topco Associates LLC	36800-467
Pain Reliefacetaminophen	Acetaminophen 500 mg/1	Tablet, CoatedOral	HYVEE INC	42507-592
Pain Relief Extra Strengthacetaminophen	Acetaminophen 500 mg/1	Tablet, CoatedOral	MARC GLASSMAN, INC.	68998-392
Acetaminophen	Acetaminophen 500 mg/1	TabletOral	Trifecta Pharmaceuticals USA LLC	69396-140
Goodnow Pain Reliefacetaminophen	Acetaminophen 500 mg/1	TabletOral	Gobrands, Inc	82501-0484
Tension Headache Pain Relieving Aidacetaminophen,caffeine	Acetaminophen 500 mg/1; Caffeine 65 mg/1	TabletOral	WAL-MART STORES INC	79903-373
Acetaminophen , Aspirin and Caffeine	Aspirin 250 mg/1 + 2 more ingredients	CapsuleOral	Softgel Healthcare Pvt Ltd	35916-0709
Acetaminophen	Acetaminophen 160 mg/5mL	SuspensionOral	PAI Holdings, LLC dba PAI Pharma	0121-0941
CareOne Childrens Acetaminophenacetaminophen	Acetaminophen 160 mg/5mL	SuspensionOral	American Sales Company	41520-615
Childrens TYLENOLacetaminophen	Acetaminophen 160 mg/5mL	SuspensionOral	Kenvue Brands LLC	50580-612
Adwe Feverx Acetaminophen Caplets, 500 mg Extra Strengthacetaminophen	Acetaminophen 500 mg/1	TabletOral	Aurex Laboratories Limited Liability Company	71009-109
Acetaminophen PMacetaminophen and diphenhydramine hydrochloride	Acetaminophen 500 mg/1; Diphenhydramine hydrochloride 25 mg/1	Tablet, CoatedOral	Harris Teeter	72036-171
Basic Care Childrens Pain and Feveracetaminophen	Acetaminophen 160 mg/5mL	SuspensionOral	Amazon.com Services LLC	72288-130
good neighbor pharmacy aspirinaspirin	Aspirin 81 mg/1	Tablet, ChewableOral	Amerisource Bergen	24385-278

Showing 20 of 40.

Market Basket Effervescent Antacid and Pain Relief (Aspirin, citric acid, sodium bicarbonate) NDC 53942-421