NDC codes

FDA NDC Directory
Product NDC (as listed)85766-282Labeler and product segments. Claims need a package NDC.
Product NDC at billing width85766-0282Add 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
85766-282-0185766028201100 TABLET in 1 BOTTLE (85766-282-01)Marketed from Sep 29, 2026
85766-282-108576602821010 TABLET in 1 BOTTLE (85766-282-10)Marketed from Sep 29, 2026
85766-282-148576602821414 TABLET in 1 BOTTLE (85766-282-14)Marketed from Sep 29, 2026
85766-282-208576602822020 TABLET in 1 BOTTLE (85766-282-20)Marketed from Sep 29, 2026
85766-282-288576602822828 TABLET in 1 BOTTLE (85766-282-28)Marketed from Sep 29, 2026
85766-282-308576602823030 TABLET in 1 BOTTLE (85766-282-30)Marketed from Sep 29, 2026
85766-282-608576602826060 TABLET in 1 BOTTLE (85766-282-60)Marketed from Sep 29, 2026
85766-282-908576602829090 TABLET in 1 BOTTLE (85766-282-90)Marketed from Sep 29, 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)
Chlorzoxazone
Generic name (nonproprietary)
chlorzoxazone
Active ingredients
Chlorzoxazone — 375 mg/1
Dosage form
Tablet
Route
Oral
Labeler
Sportpharm LLCNDC labeler code 85766
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 089853
Marketing start
Listing expires
Other FDA classes
Centrally-mediated Muscle Relaxation (Physiologic effect)
Identifiers
Product ID 85766-282_5c99ec84-6bd7-e55f-e063-6394a90a5813SPL ID 5c99ec84-6bd7-e55f-e063-6394a90a5813
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

N485766028201 followed by a unit qualifier and the quantity

Package 85766-0282-01. 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

The FDA listing for this product does not reference a label (SPL) set.

About NDC 85766-282

What is NDC 85766-282?
85766-282 is the product NDC for Chlorzoxazone, Chlorzoxazone 375 mg/1 tablet, listed with the FDA by Sportpharm LLC. It has 8 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Chlorzoxazone.
What is the active ingredient?
Chlorzoxazone.
Who is the labeler?
Sportpharm LLC, NDC labeler code 85766. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Chlorzoxazone?
35 other product NDCs are listed under this name. See all Chlorzoxazone 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 Chlorzoxazone NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
ChlorzoxazoneChlorzoxazone 250 mg/1TabletOralHappy Robin, LLC87127-80187127-0801-60
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralREMEDYREPACK INC.70518-436470518-4364-0070518-4364-01
ChlorzoxazoneChlorzoxazone 375 mg/1TabletOralAdvanced Rx of Tennessee, LLC80425-052580425-0525-0180425-0525-0280425-0525-03
ChlorzoxazoneChlorzoxazone 750 mg/1TabletOralAdvanced Rx of Tennessee, LLC80425-052680425-0526-0180425-0526-0280425-0526-03
ChlorzoxazoneChlorzoxazone 250 mg/1TabletOralCamber Pharmaceuticals, Inc.31722-97431722-0974-0131722-0974-0531722-0974-10+2 more
ChlorzoxazoneChlorzoxazone 250 mg/1TabletOralLifsa Drugs LLC72336-22572336-0225-60
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralAdvanced Rx of Tennessee, LLC80425-050780425-0507-0180425-0507-0280425-0507-03
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralCintex Services, LLC24470-94024470-0940-1024470-0940-50
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralBryant Ranch Prepack71335-312271335-3122-0071335-3122-0171335-3122-02+7 more
ChlorzoxazoneChlorzoxazone 375 mg/1TabletOralAurobindo Pharma Limited59651-30559651-0305-01

All 36 Chlorzoxazone NDCs

Other NDCs under ANDA 089853

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

FDA NDC Directory listings under ANDA 089853
ProductStrengthForm · routeLabelerProduct NDC
ChlorzoxazoneChlorzoxazone 375 mg/1TabletOralAurobindo Pharma Limited59651-305
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralAurobindo Pharma Limited59651-306
ChlorzoxazoneChlorzoxazone 750 mg/1TabletOralAurobindo Pharma Limited59651-307
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralREMEDYREPACK INC.70518-4364
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralProficient Rx LP71205-711
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralBryant Ranch Prepack71335-2009
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralAdvanced Rx Pharmacy of Tennessee, LLC80425-0315
ChlorzoxazoneChlorzoxazone 375 mg/1TabletOralAdvanced Rx of Tennessee, LLC80425-0525
ChlorzoxazoneChlorzoxazone 750 mg/1TabletOralAdvanced Rx of Tennessee, LLC80425-0526
ChlorzoxazoneChlorzoxazone 500 mg/1TabletOralSportpharm LLC85766-283
ChlorzoxazoneChlorzoxazone 750 mg/1TabletOralSportpharm LLC85766-284

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