D89.813: Graft-versus-host disease, unspecified
D89.813, graft-versus-host disease, unspecified, is listed as a covered diagnosis in 8 Medicare billing and coding articles that apply to 21 HCPCS Level II codes, including J1569 (Injection, immune globulin, (gammagard liquid/gammagard…), J1561 (Injection, immune globulin, (gamunex-c/gammaked)…), J1459 (Injection, immune globulin (privigen), intravenous…). The articles come from 5 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.
HCPCS Level II codes with D89.813 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| J1569 | Injection, immune globulin, (gammagard liquid/gammagard liquid erc), 500 mg | Special coverage instructions apply | — | 3 |
| J1561 | Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 3 |
| J1459 | Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 3 |
| J1557 | Injection, immune globulin, (gammaplex), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 3 |
| J1556 | Injection, immune globulin (bivigam), 500 mg | Carrier judgment | — | 3 |
| J1568 | Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 3 |
| J1566 | Injection, immune globulin, intravenous, lyophilized (e.g., powder), not otherwise specified, 500 mg | Special coverage instructions apply | — | 3 |
| J1552 | Injection, immune globulin (alyglo), 500 mg | Carrier judgment | — | 2 |
| U0002 | 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | Carrier judgment | — | 4 |
| U0001 | Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr diagnostic panel | Carrier judgment | — | 4 |
| J1576 | Injection, immune globulin (panzyga), intravenous, non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 2 |
| J1554 | Injection, immune globulin (asceniv), 500 mg | Carrier judgment | — | 2 |
| J1599 | Injection, immune globulin, intravenous, non-lyophilized (e.g., liquid), not otherwise specified, 500 mg | Carrier judgment | — | 2 |
| J1572 | Injection, immune globulin, (flebogamma/flebogamma dif), intravenous, non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 1 |
| J2791 | Injection, rho(d) immune globulin (human), (rhophylac), intramuscular or intravenous, 100 iu | Special coverage instructions apply | — | 1 |
| J2792 | Injection, rho d immune globulin, intravenous, human, solvent detergent, 100 iu | Special coverage instructions apply | — | 1 |
| J1577 | Injection, immune globulin (qivigy), 100 mg | Carrier judgment | — | 1 |
| J9312 | Injection, rituximab, 10 mg | Special coverage instructions apply | — | 1 |
| Q5123 | Injection, rituximab-arrx, biosimilar, (riabni), 10 mg | Carrier judgment | — | 1 |
| Q5119 | Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg | Carrier judgment | — | 1 |
| Q5115 | Injection, rituximab-abbs, biosimilar, (truxima), 10 mg | Special coverage instructions apply | — | 1 |
Medicare policy articles listing D89.813
- A56779: Billing and Coding: Intravenous Immune Globulin (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 9 Level II codes). LCD with the same title: L33610, L35891
- A56718: Billing and Coding: Intravenous Immunoglobulin (IVIG) (Palmetto GBA (MAC - Part A, MAC - Part B); 13 Level II codes). LCD with the same title: L34580
- A59105: Billing and Coding: Off-Label Use of Intravenous Immune Globulin (IVIG) (Wellpoint Federal (MAC - Part A, MAC - Part B); 11 Level II codes). LCD with the same title: L39314
- A59101: Billing and Coding: Off-label Use of Rituximab and Rituximab Biosimilars (Wellpoint Federal (MAC - Part A, MAC - Part B); 4 Level II codes). LCD with the same title: L38920, L39297
- A58710: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing (Palmetto GBA (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L38988, L39001, L39038, L39044
- A58720: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L38988, L39001, L39038, L39044
- A58761: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L38988, L39001, L39038, L39044
- A58747: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L38988, L39001, L39038, L39044
A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.
Other D89 diagnoses (Other disorders involving the immune mechanism, not elsewhere classified)
- D89.810 — Acute graft-versus-host disease
- D89.811 — Chronic graft-versus-host disease
- D89.812 — Acute on chronic graft-versus-host disease
- D89.82 — Autoimmune lymphoproliferative syndrome [ALPS]
- D89.84 — IgG4-related disease
- D89.89 — Other specified disorders involving the immune mechanism, not…
- D89.0 — Polyclonal hypergammaglobulinemia
- D89.1 — Cryoglobulinemia
- D89.3 — Immune reconstitution syndrome
- D89.41 — Monoclonal mast cell activation syndrome
- D89.42 — Idiopathic mast cell activation syndrome
- D89.43 — Secondary mast cell activation
- D89.44 — Hereditary alpha tryptasemia
- D89.49 — Other mast cell activation disorder
Frequently asked questions
Does Medicare cover D89.813 (Graft-versus-host disease, unspecified)?
Medicare covers items and services, not diagnoses. 8 Medicare billing and coding articles list D89.813 as a covered diagnosis for 21 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.
Which HCPCS codes can be billed with ICD-10 D89.813?
The Level II codes from the policies most specific to this diagnosis are J1569 (Injection, immune globulin, (gammagard liquid/gammagard…, 3 articles); J1561 (Injection, immune globulin, (gamunex-c/gammaked)…, 3 articles); J1459 (Injection, immune globulin (privigen), intravenous…, 3 articles); J1557 (Injection, immune globulin, (gammaplex), intravenous…, 3 articles); J1556 (Injection, immune globulin (bivigam), 500 mg, 3 articles). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list D89.813?
A56779 (Billing and Coding: Intravenous Immune Globulin); A56718 (Billing and Coding: Intravenous Immunoglobulin (IVIG)); A59105 (Billing and Coding: Off-Label Use of Intravenous Immune Globulin (IVIG)), and 5 more articles.
What is ICD-10-CM code D89.813?
D89.813 is the ICD-10-CM code for graft-versus-host disease, unspecified, in category D89 (Other disorders involving the immune mechanism, not elsewhere classified), chapter 3: Diseases of the blood and immune mechanism.
Next steps
- Run a reimbursement report for a device billed under J1569
- Watch J1569 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for J1569
Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.
Chapter 3: Diseases of the blood and immune mechanism · All diagnoses · HCPCS lookup