J0585HCPCS Level II

Injection, onabotulinumtoxinA, 1 unit

Neuromuscular Blocker / Toxin
The answer

J0585 is injection, onabotulinumtoxina, 1 unit, billed at 1 Unit = 1 Unit. It covers Botox (OnabotulinumtoxinA).

Code detail

Code
J0585
Code set
HCPCS Level II, maintained by CMS
Descriptor
Injection, onabotulinumtoxinA, 1 unit
Billable unit
1 Unit = 1 Unit
Category
Neuromuscular Blocker / Toxin

Dose to units calculation

The quantity reported on the claim is the dose divided by the code’s billable unit.

Interactive Unit Multiplier Calculator

J0585

Calculate the exact number of billable HCPCS units to report on CMS-1500 / 837P claims based on the patient dose and single-dose vial waste.

UNIT
Units to report on claim:
100 Units
Based on 1 unit = 1 billable unit (100.0 exact)
Box 24 / HCPCS Quantity Formatted Line:J0585 UN100

Common Worked Examples:

Worked unit conversions for J0585
Dose administeredBillable unitUnits to report
50 mg1 Unit = 1 Unit50
100 mg1 Unit = 1 Unit100
200 mg1 Unit = 1 Unit200
400 mg1 Unit = 1 Unit400
1000 mg1 Unit = 1 Unit1000

Rounding and partial-unit rules vary by payer. Where a dose does not divide evenly, most payers expect the units actually administered plus a separate JW modifier line for the discarded remainder.

Drugs billed under J0585

1 brand name and 1 generic map to this code.

Brand

Botox

Injection, onabotulinumtoxinA, 1 unit

Billing detail
Generic

OnabotulinumtoxinA

Injection, onabotulinumtoxinA, 1 unit

Billing detail

Next steps

Find the NDCs for OnabotulinumtoxinA

FDA drug records with packaging, strengths and the 11-digit HIPAA conversion already applied.

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Convert the NDC for the claim

The three leading-zero rules that turn an FDA 10-digit code into the 11-digit form this claim line needs.

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Terms used on this page

Billable unitThe quantity denominator built into a HCPCS drug code, which converts an administered dose into the number reported on the claim.Definition J-codeA HCPCS Level II code beginning with J that identifies a drug administered by a clinician rather than self-administered.Definition NDC quantityThe amount of drug actually taken from the package, expressed in the unit named by the unit qualifier.Definition JW modifierReports the amount of a single-dose container that was discarded rather than administered.Definition

HCPCS Level II is updated quarterly by CMS. Verify J0585 against the current release before submitting a high-value claim.