ICD-10-CM · Chapter 13 · M00–M99
M04.9
Autoinflammatory syndrome, unspecified
Diseases of the musculoskeletal system and connective tissue
Quick facts
- Code
- M04.9
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 13 — Diseases of the musculoskeletal system and connective tissue
- Category
- M04 — Autoinflammatory syndromes
- Specificity
- 4 characters
How coders use this code
ICD-10-CM M04.9 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of autoinflammatory syndrome, unspecified. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in M04
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