FY2018
Effective from
- Added
Other dermatomyositis without myopathy
Billable diagnosis code
CDC/NCHS · FY2018autoimmune disease, single organ or single cell-type -code to relevant condition category
Coverage depends on the payer, service and applicable policy. A billable code does not guarantee payment.
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 ↗Grouping depends on the complete encounter and CMS grouper logic.
2026-04-01 – 2026-09-30
CMS · MS-DRG 43.1First observed · 2017-10-01
Latest recorded change · FY2018
Effective from
Other dermatomyositis without myopathy
Billable diagnosis code
CDC/NCHS · FY2018| All editions | Effective from | Code history |
|---|---|---|
| FY2018 | 2017-10-01 | Added |
| 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 |
Historical mapping only; not an automatic code substitution.
Dermatomyositis NOS
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
Adult dermatomyositis
Historical assignments from the CDC conversion table support data retrieval. They do not authorize substituting a previous code for the current code.
Previous assignment: M33.10
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M33.10 | Other dermatomyositis, organ involvement unspecified | Billable / specific |
| M33.11 | Other dermatomyositis with respiratory involvement | Billable / specific |
| M33.12 | Other dermatomyositis with myopathy | Billable / specific |
| M33.19 | Other dermatomyositis with other organ involvement | Billable / specific |
Official titles and instructions are preserved in their source language. Official sources ↗