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HCPCS J1553 · Level II · Part B drug

HCPCS J1553: Injection, immune globulin (yimmugo), 100 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 J1553

Billing unit
100 MG
Inj yimmugo 100 mg
ASP payment limit
$21.664
October 2026; -10.3% vs July 2026
Practitioner MUE
none published
CMS publishes no MUE for this code
OPPS status
SI K
APC 0923
NCCI exposure
no PTP pairs
Coverage articles
1
5 states

TL;DR

HCPCS J1553 is the Level II code for Injection, immune globulin (yimmugo), 100 mg, billed per 100 MG. The Medicare Part B ASP payment limit for October 2026 is $21.664 per billing unit, down 10.3% from July 2026. Under OPPS it carries status indicator K in APC 0923. J1553 is billed in units of 100 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 3 NDCs to it, sold as Yimmugo by Kedrion Biopharma Inc. 1 Medicare coverage article lists the code across 5 states, including .

Medicare Part B payment limit (ASP)

CMS sets the Part B payment limit for J1553 at $21.664 per 100 MG for October 2026, derived from manufacturer average sales price plus 6%, compared with $24.145 in July 2026. Beneficiary coinsurance is 20%.

ASP payment limits for J1553
QuarterPayment limitPerCoinsurance
October 2026$21.664100 MG20%
July 2026$24.145100 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 3 NDCs from 1 labeler to J1553. Report the NDC in the claim's drug segment and bill the number of J1553 units that equals the quantity administered divided by 100 MG; the last column gives units per full package.

NDCs that crosswalk to J1553
NDCDrug nameLabelerPackage sizeBilling units / package
83372-0605-01YimmugoKedrion Biopharma Inc50 × 150
83372-0605-11YimmugoKedrion Biopharma Inc100 × 1100
83372-0605-21YimmugoKedrion Biopharma Inc200 × 1200

Medically Unlikely Edits (MUE)

CMS does not publish an MUE for J1553 in the 2026 Q4 tables. Some MUE values are confidential and applied without publication, so unit limits can still deny; document the dose and the units calculation on every claim.

NCCI edits and add-on relationships

No active practitioner PTP pair lists J1553 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.

J1553 is neither an add-on code nor a designated primary code in the 2026 Q4 NCCI add-on edit file.

Medicare coverage articles

1 current Medicare Administrative Contractor article lists J1553 in their HCPCS tables, covering 5 states. Each article carries the covered and non-covered ICD-10 codes that medical-necessity denials (CARC 50) are adjudicated against.

Billing and Coding Articles listing J1553
ArticleTitleContractor(s)StatesRelated LCD
Billing and Coding: Immune GlobulinNovitas Solutions, Inc.DC DE MD NJ PAL35093

Hospital outpatient (OPPS) status

In the July 2026 OPPS Addendum B, J1553 carries status indicator K and is assigned to APC 0923, with a published national unadjusted payment of $24.15. Status K means the drug is paid separately under OPPS at the ASP-based rate rather than packaged into the procedure.

Common denials for J1553 and how to prevent them

NDC missing, invalid or not matched to the HCPCS code

units billed exceed the MUE for the date of service

diagnosis not covered by the applicable coverage article or LCD

How QuickIntell checks J1553 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.

Frequently asked questions — HCPCS J1553

What does HCPCS code J1553 describe?

J1553 is defined by CMS as "Injection, immune globulin (yimmugo), 100 mg". Each billing unit represents 100 MG, so the units reported on the claim must equal the dose administered divided by that unit.

What is the Medicare reimbursement for J1553 in October 2026?

The ASP-based payment limit is $21.664 per 100 MG, with 20% beneficiary coinsurance. Medicare Administrative Contractors apply this limit; commercial payers use their own fee schedules. The July 2026 limit was $24.145.

Which NDCs map to J1553?

The October 2026 ASP crosswalk lists 3 NDCs from 1 labeler: Yimmugo (Kedrion Biopharma Inc). For example NDC 83372-0605-01 is a 50 package equal to 50 billing units. The crosswalk's billing-units-per-package figure converts each package into J1553 units.

Does J1553 have NCCI bundling edits?

No active practitioner PTP pairs list J1553 as a column-1 or column-2 code in the v323r0 release. Unit limits (MUE) and medical-necessity coverage rules still apply.

Which Medicare coverage articles mention J1553?

1 current Billing and Coding Article in the Medicare Coverage Database list J1553, covering 5 states: (Billing and Coding: Immune Globulin).

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.