M66.1 - Rupture of synovium

The ICD 10 Code for Rupture of synovium is listed as M66.1.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field	Value
Diagnosis Code:	M66.1
Description:	Rupture of synovium Rupture of synovial cyst Excludes2: rupture of popliteal cyst (M66.0)

Chapter	Diseases of the musculoskeletal system and connective tissue (M00-M99)
Block	Disorders of synovium and tendon (M65-M67)
Parent	M66 - Spontaneous rupture of synovium and tendon
ICD-10-CM Children (deeper level / typically more specific) of M66.1:
M66.10 - Rupture of synovium, unspecified joint
M66.11 - Rupture of synovium, shoulder
M66.12 - Rupture of synovium, elbow
M66.13 - Rupture of synovium, wrist
M66.14 - Rupture of synovium, hand and fingers
M66.15 - Rupture of synovium, hip
M66.17 - Rupture of synovium, ankle, foot and toes
M66.18 - Rupture of synovium, other site
ICD-10-CM Siblings (same level / similar specificity) of M66.1:
M66.0 - Rupture of popliteal cyst
M66.2 - Spontaneous rupture of extensor tendons
M66.3 - Spontaneous rupture of flexor tendons
M66.8 - Spontaneous rupture of other tendons
M66.9 - Spontaneous rupture of unspecified tendon