FY2021
Effective from
- Code-level rules changed
Wegener's granulomatosis
Category — select a more specific code
CDC/NCHS · FY2021autoimmune disease, single organ or single cell-type -code to relevant condition category
For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2021
Effective from
Wegener's granulomatosis
Category — select a more specific code
CDC/NCHS · FY2021| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | No tabular change |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | Code-level rules changed |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
autoimmune disease, single organ or single cell-type -code to relevant condition category
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M31.0 | Hypersensitivity angiitis | Billable / specific |
| M31.1 | Thrombotic microangiopathy | Category · further specificity required |
| M31.2 | Lethal midline granuloma | Billable / specific |
| M31.4 | Aortic arch syndrome [Takayasu] | Billable / specific |
| M31.5 | Giant cell arteritis with polymyalgia rheumatica | Billable / specific |
| M31.6 | Other giant cell arteritis | Billable / specific |
| M31.7 | Microscopic polyangiitis | Billable / specific |
| M31.8 | Other specified necrotizing vasculopathies | Billable / specific |
| M31.9 | Necrotizing vasculopathy, unspecified | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗
Excludes 2 · granulomatosis with polyangiitis (M31.3-)
Excludes 1 · Wegener's granulomatosis (M31.3-)