NDC codes

FDA NDC Directory
Product NDC (as listed)81137-001Labeler and product segments. Claims need a package NDC.
Product NDC at billing width81137-0001Add 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
81137-001-15811370001151 CARTON in 1 KIT (81137-001-15) / 1 CARTRIDGE in 1 CARTON / 2.67 mL in 1 CARTRIDGEMarketed from Dec 1, 2025
81137-001-35811370001353 CARTON in 1 KIT (81137-001-35) / 1 CARTRIDGE in 1 CARTON / 2.67 mL in 1 CARTRIDGEMarketed from Jun 15, 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)
Lasix Onyu
Generic name (nonproprietary)
furosemide
Active ingredients
Furosemide — 30 mg/mL
Dosage form
Injection
Route
Subcutaneous
Labeler
SQ Innovation, Inc.NDC labeler code 81137
Product type
Prescription drug
Marketing category
NDA — New Drug ApplicationApplication NDA 217294
Marketing start
Listing expires
Other FDA classes
Increased Diuresis at Loop of Henle (Physiologic effect)
Identifiers
Product ID 81137-001_a67aa830-538d-4920-ac7e-9b4418362473SPL ID a67aa830-538d-4920-ac7e-9b4418362473SPL set ID cb27654f-c7a1-4796-ab08-60a5fa16f5c0RxCUI 2725542, 2725546UNII 7LXU5N7ZO5
Pharmacologic class
Loop Diuretic

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

N481137000115 followed by a unit qualifier and the quantity

Package 81137-0001-15. 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)

Lasix ONYU is a loop diuretic indicated for the treatment of edema in adult patients with chronic heart failure. ( 1.1 ) 1.1 Congestion Lasix ONYU is indicated for the treatment of edema in adult patients with chronic heart failure.

Excerpt only. Read the full label for complete information.

Full label on DailyMed (opens in a new tab)

About NDC 81137-001

What is NDC 81137-001?
81137-001 is the product NDC for Lasix Onyu (furosemide), Furosemide 30 mg/mL injection, listed with the FDA by SQ Innovation, Inc.. It has 2 package NDCs, shown above in 10- and 11-digit form.
What drug is associated with this NDC?
Lasix Onyu (Furosemide).
What is the active ingredient?
Furosemide.
Who is the labeler?
SQ Innovation, Inc., NDC labeler code 81137. The labeler is the company responsible for the label; it may be the manufacturer, a repackager or a distributor.
What other NDCs exist for Lasix Onyu?
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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