NDC codes

FDA NDC Directory
Product NDC (as listed)74157-018Labeler and product segments. Claims need a package NDC.
Product NDC at billing width74157-0018Add 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 NDC11-digit (billing)PackageCopy
74157-018-607415700186060 TABLET in 1 BOTTLE (74157-018-60)Marketed from Feb 10, 2025

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)
Metaxalone
Generic name (nonproprietary)
metaxalone
Active ingredients
Metaxalone — 640 mg/1
Dosage form
Tablet
Route
Oral
Product type
Prescription drug
Marketing category
NDA — New Drug ApplicationApplication NDA 022503
Marketing start
Listing expires
Other FDA classes
Centrally-mediated Muscle Relaxation (Physiologic effect)
Identifiers
Product ID 74157-018_4a02d857-976b-b4c7-e063-6294a90a655bSPL ID 4a02d857-976b-b4c7-e063-6294a90a655bSPL set ID fc6de1a6-26aa-47ac-a5d2-bf127a6ca563RxCUI 2627781UNII 1NMA9J598Y
Pharmacologic class
Muscle Relaxant

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

N474157001860 followed by a unit qualifier and the quantity

Package 74157-0018-60. 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 .

Indications (excerpt from the label)

Metaxalone Tablets, 640 mg, are indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomforts associated with acute, painful musculoskeletal conditions in adults and pediatric patients 13 years of age and older. Metaxalone Tablets, 640 mg, is a muscle relaxant, indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomforts associated with acute, painful musculoskeletal conditions in adult and pediatric patients 13 years of age and older. ( 1 )

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

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