NDC codes

FDA NDC Directory
Product NDC (as listed)61958-3601Labeler and product segments. Claims need a package NDC.
Product NDC at billing width61958-3601Add 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
61958-3601-1619583601016195836010130 TABLET, FILM COATED in 1 BOTTLE, PLASTIC (61958-3601-1)Marketed from Aug 27, 2026

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)
Bixlenvo
Generic name (nonproprietary)
bictegravir/lenacapavir
Active ingredients
Bictegravir sodium — 75 mg/1Lenacapavir sodium — 50 mg/1
Dosage form
Tablet, Film coated
Route
Oral
Labeler
Gilead Sciences, Inc.NDC labeler code 61958
Product type
Prescription drug
Marketing category
NDA — New Drug ApplicationApplication NDA 221104
Marketing start
Listing expires
Other FDA classes
Breast Cancer Resistance Protein Inhibitors (Mechanism)Cytochrome P450 3A Inhibitors (Mechanism)HIV Capsid Inhibitors (Mechanism)P-Glycoprotein Inhibitors (Mechanism)
Identifiers
Product ID 61958-3601_1da44bad-4470-4f3d-b7b2-bc3730f496d1SPL ID 1da44bad-4470-4f3d-b7b2-bc3730f496d1SPL set ID 072a3c7e-33fb-4a87-ba21-3d8dad3f5c48RxCUI 2750177, 2750183UNII 4L5MP1Y7W7, BDT58WJ9WE
Pharmacologic class
Human Immunodeficiency Virus 1 Capsid 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 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

N461958360101 followed by a unit qualifier and the quantity

Package 61958-3601-01. 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)

BIXLENVO is indicated as a complete regimen for the treatment of human immunodeficiency virus type 1 (HIV-1) infection in adults to replace the current antiretroviral regimen in those who are virologically suppressed (HIV-1 RNA less than 50 copies per mL) on a stable antiretroviral regimen with no known or suspected resistance to the individual components of BIXLENVO [see Clinical Studies (14) ] . BIXLENVO, a two-drug combination of bictegravir (BIC), a human immunodeficiency virus type 1 (HIV-1) integrase strand transfer inhibitor (INSTI), and lenacapavir (LEN), an HIV-1 capsid inhibitor, is indicated as a complete regimen for the treatment of HIV-1 in adults to replace the current antiretr…

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 61958-3601

What is NDC 61958-3601?
61958-3601 is the product NDC for Bixlenvo (bictegravir/lenacapavir), Bictegravir sodium 75 mg/1; Lenacapavir sodium 50 mg/1 tablet, film coated, listed with the FDA by Gilead Sciences, Inc.. It has 1 package NDC, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Bixlenvo (Bictegravir/lenacapavir).
What is the active ingredient?
Bictegravir sodium, Lenacapavir sodium.
Who is the labeler?
Gilead Sciences, Inc., NDC labeler code 61958. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Bixlenvo?
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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