ICD-10-CM · Chapter 13 · M00–M99
M04
Autoinflammatory syndromes
Diseases of the musculoskeletal system and connective tissue
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- M04
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 13 — Diseases of the musculoskeletal system and connective tissue
- Category
- M04
- Specificity
- 3 characters
How coders use this code
ICD-10-CM M04 is a category (header) for autoinflammatory syndromes. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in M04
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