M66.26Spontaneous rupture of extensor tendons, lower leg

ICD-10-CM category (non-billable header) code — part of Disorders of synovium and tendon (M65-M67)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 13: Diseases of the musculoskeletal system and connective tissue (M00-M99)
Section	Disorders of synovium and tendon (M65-M67)
Parent code	M66.2 — Spontaneous rupture of extensor tendons

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