M66.2 Spontaneous rupture of extensor tendons

Non-billable header with 10 child codes.

Applies from M66 Spontaneous rupture of synovium and tendon

Includes

• rupture that occurs when a normal force is applied to tissues that are inferred to have less than normal strength

Excludes2 (not included here)

• rotator cuff syndrome (M75.1-)
• rupture where an abnormal force is applied to normal tissue - see injury of tendon by body region

Codes under M66.2

• M66.20 Spontaneous rupture of extensor tendons, unspecified site
• M66.21 Spontaneous rupture of extensor tendons, shoulder
• M66.22 Spontaneous rupture of extensor tendons, upper arm
• M66.23 Spontaneous rupture of extensor tendons, forearm
• M66.24 Spontaneous rupture of extensor tendons, hand
• M66.25 Spontaneous rupture of extensor tendons, thigh
• M66.26 Spontaneous rupture of extensor tendons, lower leg
• M66.27 Spontaneous rupture of extensor tendons, ankle and foot
• M66.28 Spontaneous rupture of extensor tendons, other site
• M66.29 Spontaneous rupture of extensor tendons, multiple sites

Code annotations containing back-references to M66.2

Back-references to M66

• Type 2 Excludes: M62.1 Other rupture of muscle (nontraumatic) ("rupture of tendon (M66.-)")

Nearby codes

• M66.176 Rupture of synovium, unspecified foot
• M66.177 Rupture of synovium, right toe(s)
• M66.178 Rupture of synovium, left toe(s)
• M66.179 Rupture of synovium, unspecified toe(s)
• M66.18 Rupture of synovium, other site
• M66.2 Spontaneous rupture of extensor tendons (this code)
• M66.20 Spontaneous rupture of extensor tendons, unspecified site
• M66.21 Spontaneous rupture of extensor tendons, shoulder
• M66.211 Spontaneous rupture of extensor tendons, right shoulder
• M66.212 Spontaneous rupture of extensor tendons, left shoulder
• M66.219 Spontaneous rupture of extensor tendons, unspecified shoulder