What is NDC 87538-0005?

87538-0005 is the product NDC for Gelfos-M, Aluminum phosphate 12.38 g/20g + 2 more ingredients liquid, listed with the FDA by Masaem Company. It has 1 package NDC, shown above in 10- and 11-digit form.

What drug is associated with this NDC?

Gelfos-M (Aluminum Phosphate, Colloidal, Magnesium Hydroxide, Simethicone).

What is the active ingredient?

Aluminum phosphate, Dimethicone, Magnesium hydroxide.

Masaem Company, NDC labeler code 87538. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Gelfos-M?

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.

Gelfos-M NDC 87538-0005 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)87538-0005Labeler and product segments. Claims need a package NDC.

Product NDC at billing width87538-0005Add 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
87538-0005-1	8753800050187538000501	20 g in 1 POUCH (87538-0005-1)Marketed from Jul 1, 2026

How the 11-digit form is made: The package segment has 1 digit, so one leading zero is added to it (5-4-1 → 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): Gelfos-M
Generic name (nonproprietary): aluminum phosphate, colloidal, magnesium hydroxide, simethicone
Active ingredients: Aluminum phosphate — 12.38 g/20gDimethicone — 40 mg/20gMagnesium hydroxide — 400 mg/20g
Dosage form: Liquid
Route: Oral
Labeler: Masaem CompanyNDC labeler code 87538
Product type: Over-the-counter drug
Marketing category: OTC monograph drugApplication M 001
Marketing start: Jul 1, 2026
Listing expires: Dec 31, 2027
Other FDA classes: Increased Large Intestinal Motility (Physiologic effect)Inhibition Large Intestine Fluid/Electrolyte Absorption (Physiologic effect)Inhibition Small Intestine Fluid/Electrolyte Absorption (Physiologic effect)Magnesium Ion Exchange Activity (Mechanism)Osmotic Activity (Mechanism)Skin Barrier Activity (Physiologic effect)Stimulation Large Intestine Fluid/Electrolyte Secretion (Physiologic effect)
Identifiers: Product ID 87538-0005_56b9a752-25b1-7374-e063-6294a90a3cb0SPL ID 56b9a752-25b1-7374-e063-6294a90a3cb0SPL set ID 56b9a769-08fb-738f-e063-6294a90a9eb2UNII F92V3S521O, 92RU3N3Y1O, NBZ3QY004S
Pharmacologic class: Calculi Dissolution Agent; Osmotic Laxative

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

N487538000501 followed by a unit qualifier and the quantity

Package 87538-0005-01. 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 Jul 16, 2026.

Indications (excerpt from the label)

Dosage and administration: Take 1 sachet orally, 3times daily between each meal (at the mealtime and between each meal) 4 hours between dosage

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 87538-0005

What is NDC 87538-0005?: 87538-0005 is the product NDC for Gelfos-M, Aluminum phosphate 12.38 g/20g + 2 more ingredients liquid, listed with the FDA by Masaem Company. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Gelfos-M (Aluminum Phosphate, Colloidal, Magnesium Hydroxide, Simethicone).
What is the active ingredient?: Aluminum phosphate, Dimethicone, Magnesium hydroxide.
Who is the labeler?: Masaem Company, NDC labeler code 87538. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Gelfos-M?: 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 001

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

FDA NDC Directory listings under M 001
Product	Strength	Form · route	Labeler	Product NDC
Acid Gone Antacidaluminum hydroxide and magnesium carbonate	Aluminum hydroxide 95 mg/15mL; Magnesium carbonate 358 mg/15mL	LiquidOral	Major Pharmaceuticals	0904-7727
Acid Gone Antacid Extra Strengthaluminum hydroxide and magnesium carbonate	Aluminum hydroxide 160 mg/1; Magnesium carbonate 105 mg/1	Tablet, ChewableOral	Major Pharmaceuticals	0904-5365
ADRIAN BICARBONATO SODIUM BICARBONATE USP-4 oz, 8 oz and 16 ozsodium bicarbonate	Sodium bicarbonate 315 mg/g	PowderOral	Evi Labs	84178-106
Advanced Antacid Mintaluminum hydroxide, magnesium hydroxide, dimethicone	Aluminum hydroxide 400 mg/10mL + 2 more ingredients	SuspensionOral	GOODSENSE	50804-639
Advanced Regular Strength Antacidaluminum hydroxide, magnesium hydroxide, simethicone	Aluminum hydroxide 200 mg/5mL + 2 more ingredients	SuspensionOral	WALGREEN COMPANY	0363-1639
Alka-Seltzer Cool Action Extra Strength ReliefChews Mintcalcium carbonate	Calcium carbonate 750 mg/1	Tablet, ChewableOral	Bayer HealthCare LLC.	0280-0058
Alka-Seltzer Cool Action Heartburn Relief Mintcalcium carbonate	Calcium carbonate 750 mg/1	Gum, ChewingOral	Bayer HealthCare LLC.	0280-0001
Alka-Seltzer Extra Strengthanhydrous citric acid, sodium bicarbonate, and aspirin	Anhydrous citric acid 1000 mg/1 + 2 more ingredients	Granule, EffervescentOral	Bayer HealthCare LLC.	0280-0211
Alka-Seltzer Extra Strength Heartburn ReliefChewscalcium carbonate	Calcium carbonate 750 mg/1	Tablet, ChewableOral	Bayer HealthCare LLC.	0280-0042
Alka-Seltzer Gold	Citric acid monohydrate 1000 mg/1 + 2 more ingredients	Tablet, EffervescentOral	Bayer HealthCare LLC.	0280-4100
Alka-Seltzer Heartburnanhydrous citric acid, sodium bicarbonate (heat-treated)	Citric acid monohydrate 1000 mg/1; Sodium bicarbonate 1940 mg/1	Tablet, EffervescentOral	Bayer HealthCare LLC.	0280-0047
Alka-Seltzer Heartburn Plus Gas ReliefChews Tropical Punchcalcium carbonate and simethicone	Dimethicone 80 mg/1; Calcium carbonate 750 mg/1	Tablet, ChewableOral	Bayer HealthCare LLC.	0280-0225
Alka-Seltzer Heartburn Relief Extra Strengthanhydrous citric acid, sodium bicarbonate (heat-treated)	Sodium bicarbonate 1976 mg/1; Citric acid monohydrate 1000 mg/1	Tablet, EffervescentOral	Bayer Healthcare LLC	0280-0079
Alka-Seltzer Heartburn Relief Lemon Limeanhydrous citric acid, sodium bicarbonate (heat-treated)	Sodium bicarbonate 1650 mg/1; Citric acid monohydrate 1000 mg/1	Tablet, EffervescentOral	Bayer Healthcare LLC	0280-0083
Alka-Seltzer Heartburn Relief Peppermintcalcium carbonate	Calcium carbonate 750 mg/1	Gum, ChewingOral	Bayer HealthCare LLC.	0280-0002
Alka-Seltzer Heartburn ReliefChewscalcium carbonate	Calcium carbonate 750 mg/1	Tablet, ChewableOral	Bayer HealthCare LLC.	0280-0221
Alka-Seltzer Heartburn ReliefChews Strawberry and Orangecalcium carbonate	Calcium carbonate 750 mg/1	Tablet, ChewableOral	Bayer HealthCare LLC.	0280-0224
Alka-Seltzer Kids Tummy ReliefChewscalcium carbonate and dimethicone	Calcium carbonate 750 mg/1; Dimethicone 80 mg/1	Tablet, ChewableOral	Bayer HealthCare LLC.	0280-0051
Alka-Seltzer Ultra Strength Heartburn ReliefChewscalcium carbonate	Calcium carbonate 1000 mg/1	Tablet, ChewableOral	Bayer HealthCare LLC.	0280-0245
Alka-Seltzer Ultra Strength Heartburn ReliefChews Strawberry and Orangecalcium carbonate	Calcium carbonate 1000 mg/1	Tablet, ChewableOral	Bayer HealthCare LLC.	0280-0059

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