NDC codes

FDA NDC Directory
Product NDC (as listed)73352-090Labeler and product segments. Claims need a package NDC.
Product NDC at billing width73352-0090Add 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
73352-090-60733520090607335200906060 CAPSULE in 1 BOTTLE (73352-090-60)Marketed from Sep 16, 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)
Zanaflex
Generic name (nonproprietary)
tizanidine hydrochloride
Active ingredients
Tizanidine hydrochloride — 8 mg/1
Dosage form
Capsule
Route
Oral
Labeler
Trifluent Pharma, LLCNDC labeler code 73352
Product type
Prescription drug
Marketing category
ANDA — Abbreviated New Drug Application (generic)Application ANDA 213798
Marketing start
Listing expires
Other FDA classes
Adrenergic alpha2-Agonists (Mechanism)
Identifiers
Product ID 73352-090_4007fbf6-8eb7-85e9-e063-6394a90a4013SPL ID 4007fbf6-8eb7-85e9-e063-6394a90a4013SPL set ID 9833a1b8-f530-4a06-bc77-7d11b6e94c65RxCUI 2723708, 2723710UNII B53E3NMY5CUPC 0373352090600
Pharmacologic class
Central alpha-2 Adrenergic 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

N473352009060 followed by a unit qualifier and the quantity

Package 73352-0090-60. 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)

Tizanidine hydrochloride is indicated for the treatment of spasticity in adults. Tizanidine hydrochloride is a central alpha-2-adrenergic agonist indicated for the treatment of spasticity. ( 1 )

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 73352-090

What is NDC 73352-090?
73352-090 is the product NDC for Zanaflex (tizanidine hydrochloride), Tizanidine hydrochloride 8 mg/1 capsule, listed with the FDA by Trifluent Pharma, LLC. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Zanaflex (Tizanidine hydrochloride).
What is the active ingredient?
Tizanidine hydrochloride.
Who is the labeler?
Trifluent Pharma, LLC, NDC labeler code 73352. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Zanaflex?
8 other product NDCs are listed under this name. See all Zanaflex 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 Zanaflex NDCs
ProductStrengthForm · routeLabelerProduct NDCPackage NDCs (11-digit)
Zanaflextizanidine hydrochlorideTizanidine hydrochloride 4 mg/1TabletOralCovis Pharma US, Inc70515-59470515-0594-15
Zanaflextizanidine hydrochlorideTizanidine hydrochloride 2 mg/1CapsuleOralCovis Pharma US, Inc70515-60270515-0602-15
Zanaflextizanidine hydrochlorideTizanidine hydrochloride 4 mg/1CapsuleOralCovis Pharma US, Inc70515-60470515-0604-15
Zanaflextizanidine hydrochlorideTizanidine hydrochloride 6 mg/1CapsuleOralCovis Pharma US, Inc70515-60670515-0606-15
Zanaflextizanidine hydrochlorideTizanidine hydrochloride 2 mg/1CapsuleOralLegacy Pharma USA, Inc.83107-00183107-0001-15
Zanaflextizanidine hydrochlorideTizanidine hydrochloride 4 mg/1CapsuleOralLegacy Pharma USA, Inc.83107-00283107-0002-15
Zanaflextizanidine hydrochlorideTizanidine hydrochloride 6 mg/1CapsuleOralLegacy Pharma USA, Inc.83107-00383107-0003-15
Zanaflextizanidine hydrochlorideTizanidine hydrochloride 4 mg/1TabletOralLegacy Pharma USA, Inc.83107-00483107-0004-15

Other NDCs under ANDA 213798

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

FDA NDC Directory listings under ANDA 213798
ProductStrengthForm · routeLabelerProduct NDC
TizanidineTizanidine hydrochloride 6 mg/1CapsuleOralDirect_Rx72189-678
tizanidine hydrochlorideTizanidine hydrochloride 4 mg/1CapsuleOralPreferred Pharmaceuticals Inc.68788-8776
tizanidine hydrochlorideTizanidine hydrochloride 4 mg/1CapsuleOralBryant Ranch Prepack71335-2559
tizanidine hydrochlorideTizanidine hydrochloride 6 mg/1CapsuleOralBryant Ranch Prepack71335-2872
tizanidine hydrochlorideTizanidine hydrochloride 6 mg/1CapsuleOralPD-Rx Pharmaceuticals, Inc.72789-505
tizanidine hydrochlorideTizanidine hydrochloride 2 mg/1CapsuleOralPD-Rx Pharmaceuticals, Inc.72789-506
tizanidine hydrochlorideTizanidine hydrochloride 4 mg/1CapsuleOralPD-Rx Pharmaceuticals, Inc.72789-507
tizanidine hydrochlorideTizanidine hydrochloride 2 mg/1CapsuleOralAdvagen Pharma Limited72888-001
tizanidine hydrochlorideTizanidine hydrochloride 4 mg/1CapsuleOralAdvagen Pharma Limited72888-002
tizanidine hydrochlorideTizanidine hydrochloride 6 mg/1CapsuleOralAdvagen Pharma Limited72888-003
tizanidine hydrochlorideTizanidine hydrochloride 8 mg/1CapsuleOralAdvagen Pharma Limited72888-161
Tizanidine HydrochlorideTizanidine hydrochloride 8 mg/1CapsuleOralTrifluent Pharma, LLC73352-089
tizanidine hydrochlorideTizanidine hydrochloride 4 mg/1CapsuleOralAdvanced Rx of Tennessee, LLC80425-0474

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