What is NDC 42571-375?

42571-375 is the product NDC for Ramelteon, Ramelteon 8 mg/1 tablet, listed with the FDA by Micro Labs Limited. It has 3 package NDCs, 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 Ramelteon?

37 other product NDCs are listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Ramelteon NDC 42571-375 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)42571-375Labeler and product segments. Claims need a package NDC.

Product NDC at billing width42571-0375Add 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
42571-375-01	4257103750142571037501	100 TABLET in 1 BOTTLE (42571-375-01)Marketed from May 1, 2023
42571-375-05	4257103750542571037505	500 TABLET in 1 BOTTLE (42571-375-05)Marketed from May 1, 2023
42571-375-30	4257103753042571037530	30 TABLET in 1 BOTTLE (42571-375-30)Marketed from May 1, 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): Ramelteon
Generic name (nonproprietary): ramelteon
Active ingredients: Ramelteon — 8 mg/1
Dosage form: Tablet
Route: Oral
Labeler: Micro Labs LimitedNDC labeler code 42571
Product type: Prescription drug
Marketing category: ANDA — Abbreviated New Drug Application (generic)Application ANDA 215243
Marketing start: May 1, 2023
Listing expires: Dec 31, 2027
Other FDA classes: Melatonin Receptor Agonists (Mechanism)
Identifiers: Product ID 42571-375_336c8c9f-7af0-d608-e063-6394a90a5e21SPL ID 336c8c9f-7af0-d608-e063-6394a90a5e21SPL set ID 7545c79a-93ea-4f73-beb5-cac46b2ed7e9RxCUI 577348UNII 901AS54I69UPC 0342571375300
Pharmacologic class: Melatonin Receptor Agonist

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

N442571037501 followed by a unit qualifier and the quantity

Package 42571-0375-01. 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 Apr 23, 2025.

Indications (excerpt from the label)

Ramelteon tablets are indicated for the treatment of insomnia characterized by difficulty with sleep onset. The clinical trials performed in support of efficacy were up to six months in duration. The final formal assessments of sleep latency were performed after two days of treatment during the crossover study (elderly only), at five weeks in the six week studies (adults and elderly), and at the end of the six month study (adults and elderly) [see Clinical Studies (14)]. Ramelteon tablet is indicated for the treatment of insomnia characterized by difficulty with sleep onset. (1)

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 42571-375

What is NDC 42571-375?: 42571-375 is the product NDC for Ramelteon, Ramelteon 8 mg/1 tablet, listed with the FDA by Micro Labs Limited. It has 3 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Ramelteon.
What is the active ingredient?: Ramelteon.
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 Ramelteon?: 37 other product NDCs are listed under this name. See all Ramelteon 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 Ramelteon NDCs
Product	Strength	Form · route	Labeler	Product NDC	Package NDCs (11-digit)
Ramelteon	Ramelteon 8 mg/1	TabletOral	Advanced Rx of Tennessee, LLC	80425-0593	80425-0593-01
Ramelteon	Ramelteon 8 mg/1	Tablet, Film coatedOral	Marlex Pharmaceuticals, Inc.	10135-838	10135-0838-0110135-0838-30
Ramelteon	Ramelteon 8 mg/1	TabletOral	AvPAK	50268-822	50268-0822-15
Ramelteon	Ramelteon 8 mg/1	Tablet, Film coatedOral	Bryant Ranch Prepack	72162-2644	72162-2644-0172162-2644-03
Ramelteon	Ramelteon 8 mg/1	Tablet, Film coatedOral	Kanchan Healthcare Inc	85742-023	85742-0023-2285742-0023-23
Ramelteon	Ramelteon 8 mg/1	Tablet, Film coatedOral	REMEDYREPACK INC.	70518-4257	70518-4257-00
Ramelteon	Ramelteon 8 mg/1	TabletOral	Major Pharmaceuticals	0904-7494	00904-7494-06
Ramelteon	Ramelteon 8 mg/1	Tablet, Film coatedOral	Aurobindo Pharma Limited	59651-505	59651-0505-0159651-0505-30
Ramelteon	Ramelteon 8 mg/1	Tablet, Film coatedOral	Bryant Ranch Prepack	71335-2411	71335-2411-0171335-2411-02
Ramelteon	Ramelteon 8 mg/1	Tablet, Film coatedOral	Asclemed USA, Inc.	76420-880	76420-0880-0176420-0880-3076420-0880-60+1 more

All 38 Ramelteon NDCs

Other NDCs under ANDA 215243

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

FDA NDC Directory listings under ANDA 215243
Product	Strength	Form · route	Labeler	Product NDC
Ramelteon	Ramelteon 8 mg/1	TabletOral	AvPAK	50268-822
Ramelteon	Ramelteon 8 mg/1	TabletOral	Bryant Ranch Prepack	71335-2310
Ramelteon	Ramelteon 8 mg/1	TabletOral	Advanced Rx of Tennessee, LLC	80425-0593
Ramelteon	Ramelteon 8 mg/1	TabletOral	Sportpharm LLC	85766-251
Ramelteon	Ramelteon 8 mg/1	TabletOral	ASCLEMED USA INC.	87063-189