M30 Polyarteritis nodosa and related conditions

Category / Non-billable header 5 subcodes

Block: Systemic connective tissue disorders (M30-M36)

Excludes 1 (cannot be coded together)

  • microscopic polyarteritis (M31.7)

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
M30..0 Polyarteritis nodosa Yes
M30..1 Polyarteritis with lung involvement [Churg-Strauss] Yes
M30..2 Juvenile polyarteritis Yes
M30..3 Mucocutaneous lymph node syndrome [Kawasaki] Yes
M30..8 Other conditions related to polyarteritis nodosa Yes

Last reviewed: September 2026