Dantrium (dantrolene sodium) NDC 42023-123

NDC codes

FDA NDC Directory

Product NDC (as listed)42023-123Labeler and product segments. Claims need a package NDC.

Product NDC at billing width42023-0123Add 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	Copy
42023-123-06	42023012306	6 VIAL in 1 CARTON (42023-123-06) / 60 mL in 1 VIALMarketed from Apr 20, 2009

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): Dantrium
Generic name (nonproprietary): dantrolene sodium
Active ingredients: Dantrolene sodium — 20 mg/60mL
Dosage form: Injection
Route: Intravenous
Labeler: Par Health USA, LLC
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 018264
Marketing start: Apr 20, 2009
Listing expires: Dec 31, 2027
Other FDA classes: Decreased Striated Muscle Contraction (Physiologic effect)Decreased Striated Muscle Tone (Physiologic effect)
Identifiers: Product ID 42023-123_dd4a56ce-80e3-4794-94a8-cb2b14695b89SPL ID dd4a56ce-80e3-4794-94a8-cb2b14695b89SPL set ID 4df35098-8702-46be-ac67-30cfdf1aa570RxCUI 856696, 856698UNII 287M0347EV
Pharmacologic class: Skeletal 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 drug-specific HCPCS code in Med-Code's directory for this product. The directory is curated and not complete — check the current CMS HCPCS file before billing.

Administration

Drug administration (CPT 96360–96549)

When a clinician administers the drug, the administration is reported separately. Codes in this range cover hydration, therapeutic injections and infusions, and chemotherapy or other complex drug administration. The right code depends on route, duration and drug type, and self-administered drugs are not billed this way.

How CPT relates to drug billing

NDC on a medical claim

N442023012306 followed by a unit qualifier and the quantity

Package 42023-0123-06. 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 Mar 10, 2026.

Indications (excerpt from the label)

INDICATIONS AND USAGE: Dantrium Intravenous is indicated, along with appropriate supportive measures, for the management of the fulminant hypermetabolism of skeletal muscle characteristic of malignant hyperthermia crises in patients of all ages. Dantrium Intravenous should be administered by continuous rapid intravenous push as soon as the malignant hyperthermia reaction is recognized (i.e., tachycardia, tachypnea, central venous desaturation, hypercarbia, metabolic acidosis, skeletal muscle rigidity, increased utilization of anesthesia circuit carbon dioxide absorber, cyanosis and mottling of the skin, and, in many cases, fever). Dantrium Intravenous is also indicated preoperatively, and so…

Excerpt only. Read the full label for complete information.

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