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HCPCS J9045 · Level II · Part B drug

HCPCS J9045: Injection, carboplatin, 50 mg

Reviewed by QuickIntell RCM Editorial Team · Last reviewed

Data effective
Data currency: ASP payment limits October 2026 (effective October 1, 2026); MUE and NCCI edits 2026 Q4 (effective October 1, 2026); OPPS Addendum B July 2026 (effective July 1, 2026). Next CMS release: January 1, 2027 (ASP, MUE, NCCI and OPPS quarterly updates).

Key facts for J9045

Billing unit
50 MG
Carboplatin injection
ASP payment limit
$3.101
October 2026; -1.7% vs July 2026
Practitioner MUE
22
MAI 3
OPPS status
SI N
NCCI exposure
no PTP pairs
Coverage articles
0
none list this code

TL;DR

HCPCS J9045 is the Level II code for Injection, carboplatin, 50 mg, billed per 50 MG. The Medicare Part B ASP payment limit for October 2026 is $3.101 per billing unit, down 1.7% from July 2026. The practitioner MUE allows up to 22 units per date of service (MAI 3). Under OPPS it carries status indicator N. J9045 is billed in units of 50 MG; the quantity administered, the NDC package and the units on the claim must reconcile, which is the check that prevents CARC 16 and 151 returns on this line. The ASP crosswalk maps 27 NDCs to it, sold as Carboplatin by Teva Parenteral Medicines, Inc., Accord Healthcare Inc, Eugia US LLC. No current Billing and Coding Article lists J9045, so coverage follows the FDA label, compendia and any applicable NCD.

Medicare Part B payment limit (ASP)

CMS sets the Part B payment limit for J9045 at $3.101 per 50 MG for October 2026, derived from manufacturer average sales price plus 6%, compared with $3.153 in July 2026. Beneficiary coinsurance is 20%.

ASP payment limits for J9045
QuarterPayment limitPerCoinsurance
October 2026$3.10150 MG20%
July 2026$3.15350 MG—
Source: CMS Medicare Part B Drug Payment Limit File. Commercial and Medicaid payers set their own rates.

NDC to HCPCS billing-unit conversion

The October 2026 ASP crosswalk maps 27 NDCs from 6 labelers to J9045. Report the NDC in the claim's drug segment and bill the number of J9045 units that equals the quantity administered divided by 50 MG; the last column gives units per full package.

NDCs that crosswalk to J9045
NDCDrug nameLabelerPackage sizeBilling units / package
00703-4239-01CarboplatinTeva Parenteral Medicines, Inc.60 × 112
00703-4239-81CarboplatinTeva Parenteral Medicines, Inc.60 × 112
00703-4244-01CarboplatinTeva Parenteral Medicines, Inc.5 × 11
00703-4244-81CarboplatinTeva Parenteral Medicines, Inc.5 × 11
00703-4246-01CarboplatinTeva Parenteral Medicines, Inc.15 × 13
00703-4246-81CarboplatinTeva Parenteral Medicines, Inc.15 × 13
00703-4248-01CarboplatinTeva Parenteral Medicines, Inc.45 × 19
00703-4248-81CarboplatinTeva Parenteral Medicines, Inc.45 × 19
16729-0295-12CarboplatinAccord Healthcare Inc60 × 112
16729-0295-34CarboplatinAccord Healthcare Inc45 × 19
55150-0335-00CarboplatinEugia US LLC45 × 19
55150-0335-01CarboplatinEugia US LLC45 × 19
55150-0386-00CarboplatinEugia US LLC60 × 112
55150-0386-01CarboplatinEugia US LLC60 × 112
60505-6282-01CarboplatinApotex Corp5 × 11
60505-6282-03CarboplatinApotex Corp15 × 13
60505-6282-06CarboplatinApotex Corp45 × 19
60505-6282-07CarboplatinApotex Corp60 × 112
61703-0150-05CarboplatinPfizer Inc15 × 13
61703-0262-05CarboplatinPfizer Inc45 × 19
61703-0339-18CarboplatinPfizer Inc5 × 11
61703-0339-22CarboplatinPfizer Inc15 × 13
61703-0339-50CarboplatinPfizer Inc45 × 19
61703-0339-56CarboplatinPfizer Inc45 × 112
61703-0360-18CarboplatinPfizer Inc5 × 11
61703-0600-05CarboplatinPfizer Inc60 × 112
63323-0172-60CarboplatinFreseniUS Kabi USA, LLC60 × 112

Medically Unlikely Edits (MUE)

CMS publishes 3 MUE values for J9045. For practitioners the limit is 22 units per date of service with adjudication indicator 3, a date-of-service clinical edit: units above the limit deny but can be paid on appeal with documentation that the quantity was medically reasonable.

MUE values for J9045 by setting
SettingMUE (units/DOS)MAICMS rationale
Practitioner services223 Date of Service Edit: ClinicalPrescribing Information
Facility outpatient hospital223 Date of Service Edit: ClinicalPrescribing Information
DME supplier03 Date of Service Edit: ClinicalCMS Policy

NCCI edits and add-on relationships

No active practitioner PTP pair lists J9045 as a column-1 or column-2 code in v323r0. Drug supply codes are rarely bundled; the administration codes billed with them are where PTP edits usually apply.

J9045 is neither an add-on code nor a designated primary code in the 2026 Q4 NCCI add-on edit file.

Medicare coverage articles

No current Billing and Coding Article lists J9045 in its HCPCS table. Coverage then follows the drug's FDA label, compendia and any National Coverage Determination; check the Medicare Coverage Database before administering off-label.

Hospital outpatient (OPPS) status

In the July 2026 OPPS Addendum B, J9045 carries status indicator N. Status N means payment is packaged into the associated procedure and no separate OPPS payment is made.

Common denials for J9045 and how to prevent them

CARC 16 · M119

NDC missing, invalid or not matched to the HCPCS code

CARC 151 · N362

units billed exceed the MUE for the date of service

CARC 50 · N115

diagnosis not covered by the applicable coverage article or LCD

How QuickIntell checks J9045 before the claim leaves

QuickCode validates the NDC-to-unit conversion against the current ASP crosswalk, checks units against every published MUE setting and flags PTP and add-on conflicts on the same claim. QuickRCM routes CARC 16, 151 and 50 denials on drug lines with the matching coverage article attached so the appeal starts with evidence.

Explore QuickCodeExplore QuickRCMBook a demo

Frequently asked questions — HCPCS J9045

What does HCPCS code J9045 describe?

J9045 is defined by CMS as "Injection, carboplatin, 50 mg". Each billing unit represents 50 MG, so the units reported on the claim must equal the dose administered divided by that unit.

What is the Medicare reimbursement for J9045 in October 2026?

The ASP-based payment limit is $3.101 per 50 MG, with 20% beneficiary coinsurance. Medicare Administrative Contractors apply this limit; commercial payers use their own fee schedules. The July 2026 limit was $3.153.

How many units of J9045 can be billed per day?

The practitioner Medically Unlikely Edit is 22 units per date of service with adjudication indicator 3 (3 Date of Service Edit: Clinical). MAI 3 edits can be appealed with documentation that the units were medically reasonable. CMS cites "Prescribing Information" as the rationale.

Which NDCs map to J9045?

The October 2026 ASP crosswalk lists 27 NDCs from 6 labelers: Carboplatin (Teva Parenteral Medicines, Inc.); Carboplatin (Accord Healthcare Inc); Carboplatin (Eugia US LLC); Carboplatin (Apotex Corp). For example NDC 00703-4239-01 is a 60 package equal to 12 billing units. The crosswalk's billing-units-per-package figure converts each package into J9045 units.

Does J9045 have NCCI bundling edits?

No active practitioner PTP pairs list J9045 as a column-1 or column-2 code in the v323r0 release. Unit limits (MUE) and medical-necessity coverage rules still apply.

Sources

Every figure on this page is taken from the CMS publications below, as released by the Centers for Medicare & Medicaid Services. Projection built 2026-10-01. Verify against the primary file before billing or contracting decisions.

Disclaimer

This page is an operational reference compiled from CMS publications: the Medicare Part B drug payment limit and NDC crosswalk files, NCCI MUE and add-on edit tables, aggregate PTP statistics, OPPS Addendum B and the Medicare Coverage Database. Payment limits are Medicare national amounts; commercial and Medicaid payers differ. CPT codes are shown as numbers only; CPT descriptors are copyright AMA. Nothing here is legal, clinical or billing advice.