Z41.8: Encounter for other procedures for purposes other than remedying health state
Z41.8, encounter for other procedures for purposes other than remedying health state, is listed as a covered diagnosis in 3 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 3 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 Z41.8 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 | — | 2 |
| J1561 | Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 2 |
| J1459 | Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 2 |
| J1576 | Injection, immune globulin (panzyga), intravenous, non-lyophilized (e.g., liquid), 500 mg | Special coverage instructions apply | — | 2 |
| J1557 | Injection, immune globulin, (gammaplex), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 2 |
| J1556 | Injection, immune globulin (bivigam), 500 mg | Carrier judgment | — | 2 |
| J1568 | Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | Carrier judgment | — | 2 |
| J1566 | Injection, immune globulin, intravenous, lyophilized (e.g., powder), not otherwise specified, 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 |
| J2791 | Injection, rho(d) immune globulin (human), (rhophylac), intramuscular or intravenous, 100 iu | Special coverage instructions apply | — | 1 |
| J1552 | Injection, immune globulin (alyglo), 500 mg | Carrier judgment | — | 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 |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Special coverage instructions apply | — | 1 |
| J0885 | Injection, epoetin alfa, (for non-esrd use), 1000 units | Special coverage instructions apply | — | 1 |
| Q5106 | Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | Special coverage instructions apply | — | 1 |
| J0882 | Injection, darbepoetin alfa, 1 microgram (for esrd on dialysis) | Special coverage instructions apply | — | 1 |
| Q5105 | Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for esrd on dialysis), 100 units | Special coverage instructions apply | — | 1 |
| J0890 | Injection, peginesatide, 0.1 mg (for esrd on dialysis) | Carrier judgment | — | 1 |
| Q4081 | Injection, epoetin alfa, 100 units (for esrd on dialysis) | Special coverage instructions apply | — | 1 |
Medicare policy articles listing Z41.8
- 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
- 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
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.
Frequently asked questions
Does Medicare cover Z41.8 (Encounter for other procedures for purposes other than…)?
Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list Z41.8 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 Z41.8?
The Level II codes from the policies most specific to this diagnosis are J1569 (Injection, immune globulin, (gammagard liquid/gammagard…, 2 articles); J1561 (Injection, immune globulin, (gamunex-c/gammaked)…, 2 articles); J1459 (Injection, immune globulin (privigen), intravenous…, 2 articles); J1576 (Injection, immune globulin (panzyga), intravenous…, 2 articles); J1557 (Injection, immune globulin, (gammaplex), intravenous…, 2 articles). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list Z41.8?
A56718 (Billing and Coding: Intravenous Immunoglobulin (IVIG)); A59105 (Billing and Coding: Off-Label Use of Intravenous Immune Globulin (IVIG)); A56462 (Billing and Coding: Erythropoiesis Stimulating Agents (ESA)).
What is ICD-10-CM code Z41.8?
Z41.8 is the ICD-10-CM code for encounter for other procedures for purposes other than remedying health state, in category Z41 (Encounter for procedures for purposes other than remedying health state), chapter 22: Factors influencing health status and contact with health services.
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 22: Factors influencing health status and contact with health services · All diagnoses · HCPCS lookup