M04.1

ICD-10Billable

Periodic fever syndromes

Official ICD-10-CM descriptor (FY2026)

Periodic fever syndromes

M04.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Familial Mediterranean fever
  • Hyperimmunoglobin D syndrome
  • Mevalonate kinase deficiency
  • Tumor necrosis factor receptor associated periodic syndrome [TRAPS]

Related codes in M04

Where this code sits

Parent code
M04

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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