NDC codes

FDA NDC Directory
Product NDC (as listed)72189-645Labeler and product segments. Claims need a package NDC.
Product NDC at billing width72189-0645Add 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
72189-645-307218906453030 TABLET in 1 BOTTLE (72189-645-30)Marketed from Dec 8, 2025
72189-645-607218906456060 TABLET in 1 BOTTLE (72189-645-60)Marketed from Dec 8, 2025
72189-645-907218906459090 TABLET in 1 BOTTLE (72189-645-90)Marketed from Dec 8, 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 — 800 mg/1
Dosage form
Tablet
Route
Oral
Labeler
Direct_Rx
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 203695
Marketing start
Listing expires
Other FDA classes
Centrally-mediated Muscle Relaxation (Physiologic effect)
Identifiers
Product ID 72189-645_485b0bfc-d2a5-21dd-e063-6294a90a96d1SPL ID 485b0bfc-d2a5-21dd-e063-6294a90a96d1SPL set ID 45726fbc-3450-63f7-e063-6394a90a671aRxCUI 351254UNII 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

N472189064530 followed by a unit qualifier and the quantity

Package 72189-0645-30. 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 are indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions in adults and pediatric patients 13 years of age and older.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under ANDA 203695

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

FDA NDC Directory listings under ANDA 203695
ProductStrengthForm · routeLabelerProduct NDC
MetaxaloneMetaxalone 800 mg/1TabletOralProficient Rx LP71205-326
MetaxaloneMetaxalone 800 mg/1TabletOralSportpharm LLC85766-011
MetaxaloneMetaxalone 800 mg/1TabletOralBryant Ranch Prepack71335-0375
MetaxaloneMetaxalone 800 mg/1TabletOralPHOENIX RX LLC85509-2341
MetaxaloneMetaxalone 800 mg/1TabletOralSt. Mary's Medical Park Pharmacy60760-093
MetaxaloneMetaxalone 800 mg/1TabletOralBryant Ranch Prepack63629-8014
MetaxaloneMetaxalone 800 mg/1TabletOralAdvanced Rx Pharmacy of Tennessee, LLC80425-0131
MetaxaloneMetaxalone 800 mg/1TabletOralAsclemed USA, Inc.76420-898
MetaxaloneMetaxalone 800 mg/1TabletOralDoc Rx69306-100
MetaxaloneMetaxalone 800 mg/1TabletOralActavis Pharma, Inc.0591-2341

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