M32.15: Tubulo-interstitial nephropathy in systemic lupus erythematosus
M32.15, tubulo-interstitial nephropathy in systemic lupus erythematosus, is listed as a covered diagnosis in 12 Medicare billing and coding articles that apply to 62 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 M32.15 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 | — | 4 |
| J1561 | Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 4 |
| J1459 | Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 4 |
| J1557 | Injection, immune globulin, (gammaplex), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 4 |
| J1556 | Injection, immune globulin (bivigam), 500 mg | Carrier judgment | — | 4 |
| J1568 | Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 4 |
| J1566 | Injection, immune globulin, intravenous, lyophilized (e.g., powder), not otherwise specified, 500 mg | Special coverage instructions apply | — | 4 |
| J1554 | Injection, immune globulin (asceniv), 500 mg | Carrier judgment | — | 4 |
| J1577 | Injection, immune globulin (qivigy), 100 mg | Carrier judgment | — | 4 |
| J1576 | Injection, immune globulin (panzyga), intravenous, non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 3 |
| J1575 | Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin | Carrier judgment | — | 3 |
| J1572 | Injection, immune globulin, (flebogamma/flebogamma dif), intravenous, non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 3 |
| J1552 | Injection, immune globulin (alyglo), 500 mg | Carrier judgment | — | 3 |
| J1559 | Injection, immune globulin (hizentra), 100 mg | Carrier judgment | — | 2 |
| J1555 | Injection, immune globulin (cuvitru), 100 mg | Carrier judgment | — | 2 |
| J1558 | Injection, immune globulin (xembify), 100 mg | Carrier judgment | — | 2 |
| J1551 | Injection, immune globulin (cutaquig), 100 mg | Carrier judgment | — | 2 |
| J1553 | Injection, immune globulin (yimmugo), 100 mg | Carrier judgment | — | 2 |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Special coverage instructions apply | — | 3 |
| J0885 | Injection, epoetin alfa, (for non-esrd use), 1000 units | Special coverage instructions apply | — | 3 |
| Q5106 | Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | Special coverage instructions apply | — | 3 |
| J0882 | Injection, darbepoetin alfa, 1 microgram (for esrd on dialysis) | Special coverage instructions apply | — | 3 |
| Q5105 | Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for esrd on dialysis), 100 units | Special coverage instructions apply | — | 3 |
| J0890 | Injection, peginesatide, 0.1 mg (for esrd on dialysis) | Carrier judgment | — | 3 |
| Q4081 | Injection, epoetin alfa, 100 units (for esrd on dialysis) | Special coverage instructions apply | — | 3 |
37 more codes are listed. See every code with payment by region in Caduvo.
Medicare policy articles listing M32.15
- A56786: Billing and Coding: Immune Globulin (Novitas Solutions, Inc. (MAC - Part A, MAC - Part B); 18 Level II codes). LCD with the same title: L34007, L35093
- A57778: Billing and Coding: Immune Globulin (First Coast Service Options, Inc. (MAC - Part A, MAC - Part B); 18 Level II codes). LCD with the same title: L34007, L35093
- 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
- A56795: Billing and Coding: Erythropoiesis Stimulating Agents (ESAs) (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 9 Level II codes). LCD with the same title: L34633
- A55639: Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 6 Level II codes)
- A52850: Billing and Coding: Cardiac Catheterization and Coronary Angiography (Wellpoint Federal (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L33557, L33959
- 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
- A57306: Billing and Coding: Transthoracic Echocardiography (TTE) (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 19 Level II codes). LCD with the same title: L33577, L34338
- A57554: Billing and Coding: Immune Globulins (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 20 Level II codes). LCD with the same title: L34771
- A56462: Billing and Coding: Erythropoiesis Stimulating Agents (ESA) (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 7 Level II codes). LCD with the same title: L34356
- A60381: Billing and Coding: Erythropoiesis Stimulating Agents (Wellpoint Federal (MAC - Part A, MAC - Part B); 9 Level II codes). LCD with the same title: L39237
- A56781: Billing and Coding: Transthoracic Echocardiography (TTE) (Wellpoint Federal (MAC - Part A, MAC - Part B); 17 Level II codes). LCD with the same title: L33577, L34338
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 M32 diagnoses (Systemic lupus erythematosus (SLE))
- M32.10 — Systemic lupus erythematosus, organ or system involvement unspecified
- M32.11 — Endocarditis in systemic lupus erythematosus
- M32.12 — Pericarditis in systemic lupus erythematosus
- M32.13 — Lung involvement in systemic lupus erythematosus
- M32.14 — Glomerular disease in systemic lupus erythematosus
- M32.19 — Other organ or system involvement in systemic lupus erythematosus
- M32.0 — Drug-induced systemic lupus erythematosus
- M32.8 — Other forms of systemic lupus erythematosus
- M32.9 — Systemic lupus erythematosus, unspecified
Frequently asked questions
Does Medicare cover M32.15 (Tubulo-interstitial nephropathy in systemic lupus…)?
Medicare covers items and services, not diagnoses. 12 Medicare billing and coding articles list M32.15 as a covered diagnosis for 62 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 M32.15?
The Level II codes from the policies most specific to this diagnosis are J1569 (Injection, immune globulin, (gammagard liquid/gammagard…, 4 articles); J1561 (Injection, immune globulin, (gamunex-c/gammaked)…, 4 articles); J1459 (Injection, immune globulin (privigen), intravenous…, 4 articles); J1557 (Injection, immune globulin, (gammaplex), intravenous…, 4 articles); J1556 (Injection, immune globulin (bivigam), 500 mg, 4 articles). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list M32.15?
A56786 (Billing and Coding: Immune Globulin); A57778 (Billing and Coding: Immune Globulin); A59105 (Billing and Coding: Off-Label Use of Intravenous Immune Globulin (IVIG)), and 9 more articles.
What is ICD-10-CM code M32.15?
M32.15 is the ICD-10-CM code for tubulo-interstitial nephropathy in systemic lupus erythematosus, in category M32 (Systemic lupus erythematosus (SLE)), chapter 13: Diseases of the musculoskeletal system and connective tissue.
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 13: Diseases of the musculoskeletal system and connective tissue · All diagnoses · HCPCS lookup