What is NDC 42571-508?

42571-508 is the product NDC for Cholestyramine, Cholestyramine 4 g/9g powder, for suspension, listed with the FDA by Micro Labs Limited. It has 1 package NDC, shown above in 10- and 11-digit form.

Micro Labs Limited, NDC labeler code 42571. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Cholestyramine?

21 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Cholestyramine NDC 42571-508 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)42571-508Labeler and product segments. Claims need a package NDC.

Product NDC at billing width42571-0508Add 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
42571-508-29	4257105082942571050829	60 POUCH in 1 CARTON (42571-508-29) / 9 g in 1 POUCH (42571-508-04)Marketed from Apr 1, 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): Cholestyramine
Generic name (nonproprietary): cholestyramine
Active ingredients: Cholestyramine — 4 g/9g
Dosage form: Powder, For suspension
Route: Oral
Labeler: Micro Labs LimitedNDC labeler code 42571
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 219318
Marketing start: Apr 1, 2026
Listing expires: Dec 31, 2027
Other FDA classes: Bile-acid Binding Activity (Mechanism)
Identifiers: Product ID 42571-508_4c544fbf-3a7e-d5fa-e063-6394a90a176fSPL ID 4c544fbf-3a7e-d5fa-e063-6394a90a176fSPL set ID 09420793-7357-4194-8172-0b1cddb167feRxCUI 848943UNII 4B33BGI082UPC 0342571508043
Pharmacologic class: Bile Acid Sequestrant

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

N442571050829 followed by a unit qualifier and the quantity

Package 42571-0508-29. 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)

INDICATIONS AND USAGE 1) Cholestyramine for oral suspension is indicated as adjunctive therapy to diet for the reduction of elevated serum cholesterol in patients with primary hypercholesterolemia (elevated low density lipoprotein [LDL] cholesterol) who do not respond adequately to diet. Cholestyramine for oral suspension may be useful to lower LDL cholesterol in patients who also have hypertriglyceridemia, but it is not indicated where hypertriglyceridemia is the abnormality of most concern. Therapy with lipid-altering agents should be a component of multiple risk factor intervention in those individuals at significantly increased risk for atherosclerotic vascular disease due to hypercholes…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 42571-508

What is NDC 42571-508?: 42571-508 is the product NDC for Cholestyramine, Cholestyramine 4 g/9g powder, for suspension, listed with the FDA by Micro Labs Limited. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Cholestyramine.
What is the active ingredient?: Cholestyramine.
Who is the labeler?: Micro Labs Limited, NDC labeler code 42571. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Cholestyramine?: 21 other product NDCs are listed under this name. See all Cholestyramine 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 Cholestyramine NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Cholestyramine	Cholestyramine 4 g/9g	Powder, For suspensionOral	AiPing Pharmaceutical, Inc.	11788-150	11788-0150-1711788-0150-60
Cholestyramine	Cholestyramine 4 g/9g	Powder, For suspensionOral	Macleods Pharmaceuticals Limited	33342-293	33342-0293-7033342-0293-71
Cholestyramine	Cholestyramine 4 g/5.7g	Powder, For suspensionOral	Macleods Pharmaceuticals Limited	33342-319	33342-0319-7033342-0319-7233342-0319-83
Cholestyramine	Cholestyramine 4 g/9g	Powder, For suspensionOral	Precision Dose, Inc.	68094-806	68094-0806-1068094-0806-20
Cholestyramine	Cholestyramine 4 g/4.8g	Powder, For suspensionOral	Precision Dose, Inc.	68094-906	68094-0906-1068094-0906-20
Cholestyramine	Cholestyramine 4 g/9g	Powder, For suspensionOral	PURACAP LABORATORIES LLC DBA BLU PHARMACEUTICALS	24658-266	24658-0266-9324658-0266-9524658-0266-97
Cholestyramine	Cholestyramine 4 g/9g	Powder, For suspensionOral	EPIC PHARMA, LLC	42806-265	42806-0265-98
Cholestyramine	Cholestyramine 4 g/9g	Powder, For suspensionOral	EPIC PHARMA, LLC	42806-266	42806-0266-95
Cholestyramine	Cholestyramine 4 g/9g	Powder, For suspensionOral	EPIC PHARMA, LLC	42806-267	42806-0267-9342806-0267-97
Cholestyramine	Cholestyramine 4 g/8.3g	Powder, For suspensionOral	TAGI Pharma, Inc.	51224-011	51224-0011-1051224-0011-20

All 22 Cholestyramine NDCs