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ICD-10-CM 2027

ICD-10 code for polyarteritis

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Polyarteritis”. Page updated September 29, 2026.

About coding polyarteritis

The official ICD-10-CM index doesn't give a single default code for polyarteritis; the code depends on the details below.

More specific polyarteritis codes (official index)

  • microscopic M31.7 — Microscopic polyangiitis
  • nodosa M30.0 — Polyarteritis nodosa
  • with lung involvement M30.1 — Polyarteritis with lung involvement [Churg-Strauss]
  • juvenile M30.2 — Juvenile polyarteritis
  • related condition NEC M30.8 — Other conditions related to polyarteritis nodosa

Common questions about polyarteritis ICD-10 codes

What is the ICD-10 code for microscopic polyarteritis?

M31.7 — Microscopic polyangiitis.

What is the ICD-10 code for nodosa polyarteritis?

M30.0 — Polyarteritis nodosa.