ICD-10-CM Section · M04-M04

Autoinflammatory syndromes

5 codes in this section

5
Total Codes
4
Billable
1
Header (Non-Billable)
1
Top-Level Codes

About Section M04

Section M04 (M04-M04) covers autoinflammatory syndromes. It sits within the Diseases of the musculoskeletal system and connective tissue chapter (M00-M99). This section contains 5 ICD-10-CM codes, 4 billable diagnoses you can submit on a claim, and 1 non-billable header codes used to organize the hierarchy.

Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.

Codes in M04

Grouped by 3-character root code. Click any code for full detail.

M04 Autoinflammatory syndromes
4 subcodes
M04.1 Periodic fever syndromes Billable
M04.2 Cryopyrin-associated periodic syndromes Billable
M04.8 Other autoinflammatory syndromes Billable
M04.9 Autoinflammatory syndrome, unspecified Billable
← Previous Section
M00-M02
Infectious arthropathies
Next Section →
M05-M14
Inflammatory polyarthropathies
← Back to Diseases of the musculoskeletal system and connective tissue (M00-M99)

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on May 31, 2026.

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