FY2018
Effective from
- Title changed
- Code-level rules changed
Other dermatomyositis
Previous title: Other dermatopolymyositis
Category — select a more specific code
CDC/NCHS · FY2018autoimmune 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 · FY2018
Effective from
Other dermatomyositis
Previous title: Other dermatopolymyositis
Category — select a more specific code
CDC/NCHS · FY2018| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | No tabular change |
| FY2018 | 2017-10-01 | Title changed · Code-level rules changed |
| 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 | No tabular change |
| 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 |
Adult dermatomyositis
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
M33.10Other dermatomyositis, organ involvement unspecifiedBillable / specificM33.11Other dermatomyositis with respiratory involvementBillable / specificM33.12Other dermatomyositis with myopathyBillable / specificM33.13Other dermatomyositis without myopathyBillable / specificM33.19Other dermatomyositis with other organ involvementBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M33.0 | Juvenile dermatomyositis | Category · further specificity required |
| M33.2 | Polymyositis | Category · further specificity required |
| M33.9 | Dermatopolymyositis, unspecified | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗