NDC codes

FDA NDC Directory
Product NDC (as listed)52658-7777Labeler and product segments. Claims need a package NDC.
Product NDC at billing width52658-7777Add 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
52658-7777-1526587777011 VIAL, SINGLE-DOSE in 1 CARTON (52658-7777-1) / 2 mL in 1 VIAL, SINGLE-DOSEMarketed from Mar 1, 2025

How the 11-digit form is made: The package segment has 1 digit, so one leading zero is added to it (5-4-1 → 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)
Lymphir
Generic name (nonproprietary)
denileukin diftitox-cxdl
Active ingredients
Denileukin diftitox — 300 ug/2mL
Dosage form
Injection, Powder, Lyophilized, For solution
Route
Intravenous
Labeler
Citius Pharmaceuticals, Inc.NDC labeler code 52658
Product type
Prescription drug
Marketing category
BLA — Biologics License ApplicationApplication BLA 761312
Marketing start
Listing expires
Other FDA classes
Diphtheria Toxin (Chemical structure)Interleukin-2 (Chemical structure)Recombinant Fusion Proteins (Chemical structure)
Identifiers
Product ID 52658-7777_2c678496-2a12-3051-e063-6294a90a205eSPL ID 2c678496-2a12-3051-e063-6294a90a205eSPL set ID ac3613d7-4304-40e7-a3f5-adb8a8adca5dRxCUI 2700750, 2700756UNII 25E79B5CTM
Pharmacologic class
CD25-directed Cytotoxin

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

N452658777701 followed by a unit qualifier and the quantity

Package 52658-7777-01. 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 . This label includes a boxed warning.

Indications (excerpt from the label)

LYMPHIR is indicated for the treatment of adult patients with relapsed or refractory Stage I-III cutaneous T-cell lymphoma (CTCL) after at least one prior systemic therapy. LYMPHIR is an IL2-receptor-directed cytotoxin indicated for the treatment of adult patients with relapsed or refractory Stage I-III cutaneous T-cell lymphoma (CTCL) after at least one prior systemic therapy. ( 1 )

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 52658-7777

What is NDC 52658-7777?
52658-7777 is the product NDC for Lymphir (denileukin diftitox-cxdl), Denileukin diftitox 300 ug/2mL injection, powder, lyophilized, for solution, listed with the FDA by Citius Pharmaceuticals, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Lymphir (Denileukin diftitox-cxdl).
What is the active ingredient?
Denileukin diftitox.
Who is the labeler?
Citius Pharmaceuticals, Inc., NDC labeler code 52658. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Lymphir?
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.

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