What is NDC 66758-165?

66758-165 is the product NDC for Arranon (nelarabine), Nelarabine 5 mg/mL injection, listed with the FDA by Sandoz Inc. It has 1 package NDC, shown above in 10- and 11-digit form.

Sandoz Inc, NDC labeler code 66758. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.

What other NDCs exist for Arranon?

None: this is the only finished product listed under this name.

Is there a related HCPCS / J-code?

Not in Med-Code's curated HCPCS directory.

Arranon NDC 66758-165 | National Drug Code

NDC codes

FDA NDC Directory

Product NDC (as listed)66758-165Labeler and product segments. Claims need a package NDC.

Product NDC at billing width66758-0165Add 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
66758-165-94	6675801659466758016594	1 VIAL in 1 CARTON (66758-165-94) / 50 mL in 1 VIALMarketed from Sep 5, 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): Arranon
Generic name (nonproprietary): nelarabine
Active ingredients: Nelarabine — 5 mg/mL
Dosage form: Injection
Route: Intravenous
Labeler: Sandoz IncNDC labeler code 66758
Product type: Prescription drug
Marketing category: NDA — New Drug ApplicationApplication NDA 021877
Marketing start: Oct 5, 2016
Listing expires: Dec 31, 2027
Other FDA classes: Nucleic Acid Synthesis Inhibitors (Mechanism)
Identifiers: Product ID 66758-165_0015d51c-784c-4f0d-938c-6c81decd5903SPL ID 0015d51c-784c-4f0d-938c-6c81decd5903SPL set ID 0f9051de-5c4d-4c0f-8c19-e15214498ccaRxCUI 603566, 616366UNII 60158CV180UPC 0366758165942
Pharmacologic class: Nucleoside Metabolic Inhibitor

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

N466758016594 followed by a unit qualifier and the quantity

Package 66758-0165-94. 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 31, 2025. This label includes a boxed warning.

Indications (excerpt from the label)

ARRANON is indicated for the treatment of T-cell acute lymphoblastic leukemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL) in adult and pediatric patients age 1 year and older whose disease has not responded to or has relapsed following treatment with at least 2 chemotherapy regimens. ARRANON is a nucleoside metabolic inhibitor indicated for the treatment of patients with T-cell acute lymphoblastic leukemia (T-ALL) and T-cell lymphoblastic lymphoma (T-LBL) in adult and pediatric patients age 1 year and older whose disease has not responded to or has relapsed following treatment with at least two chemotherapy regimens. ( 1 )

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 66758-165

What is NDC 66758-165?: 66758-165 is the product NDC for Arranon (nelarabine), Nelarabine 5 mg/mL injection, listed with the FDA by Sandoz Inc. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?: Arranon (Nelarabine).
What is the active ingredient?: Nelarabine.
Who is the labeler?: Sandoz Inc, NDC labeler code 66758. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Arranon?: None: this is the only finished product listed under this name.
Is there a related HCPCS / J-code?: Not in Med-Code's curated HCPCS directory. See Billing references above.

Arranon (Nelarabine) NDC 66758-165