NDC codes

FDA NDC Directory
Product NDC (as listed)64406-037Labeler and product segments. Claims need a package NDC.
Product NDC at billing width64406-0037Add 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
64406-037-01644060037011 VIAL, SINGLE-USE in 1 BOX (64406-037-01) / 5 mL in 1 VIAL, SINGLE-USEMarketed from Mar 27, 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)
Spinraza
Generic name (nonproprietary)
nusinersen
Active ingredients
Nusinersen — 10 mg/mL
Dosage form
Injection, Solution
Route
Intrathecal
Product type
Prescription drug
Marketing category
NDA — New Drug ApplicationApplication NDA 209531
Marketing start
Listing expires
Other FDA classes
Increased Protein Synthesis (Physiologic effect)Antisense (Chemical structure)
Identifiers
Product ID 64406-037_cb572584-c0fd-42aa-b6d1-6dd8260028b5SPL ID cb572584-c0fd-42aa-b6d1-6dd8260028b5SPL set ID dd70cd5f-b0fc-4ba4-a5ea-89a34778bd94RxCUI 1863560, 1863565, 2739995, 2739998, 2740001, 2740004UNII 5Z9SP3X666
Pharmacologic class
Antisense Oligonucleotide; Survival Motor Neuron-2-directed RNA Interaction

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.

NDC on a medical claim

N464406003701 followed by a unit qualifier and the quantity

Package 64406-0037-01. 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

Current FDA label (SPL), effective .

Indications (excerpt from the label)

SPINRAZA is indicated for the treatment of spinal muscular atrophy (SMA) in pediatric and adult patients. SPINRAZA is a survival motor neuron-2 (SMN2)-directed antisense oligonucleotide indicated for the treatment of spinal muscular atrophy (SMA) in pediatric and adult patients ( 1 )

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

Other NDCs under NDA 209531

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

FDA NDC Directory listings under NDA 209531
ProductStrengthForm · routeLabelerProduct NDC
SpinrazanusinersenNusinersen 5.6 mg/mLInjection, SolutionIntrathecalBiogen Inc.64406-036
SpinrazanusinersenNusinersen 2.4 mg/mLInjection, SolutionIntrathecalBiogen Inc.64406-058

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Spinraza (nusinersen) NDC 64406-037 | Med-Code