M66.3 Spontaneous rupture of flexor 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 M66.3

• M66.30 Spontaneous rupture of flexor tendons, unspecified site
• M66.31 Spontaneous rupture of flexor tendons, shoulder
• M66.32 Spontaneous rupture of flexor tendons, upper arm
• M66.33 Spontaneous rupture of flexor tendons, forearm
• M66.34 Spontaneous rupture of flexor tendons, hand
• M66.35 Spontaneous rupture of flexor tendons, thigh
• M66.36 Spontaneous rupture of flexor tendons, lower leg
• M66.37 Spontaneous rupture of flexor tendons, ankle and foot
• M66.38 Spontaneous rupture of flexor tendons, other site
• M66.39 Spontaneous rupture of flexor tendons, multiple sites

Code annotations containing back-references to M66.3

Back-references to M66

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

Nearby codes

• M66.271 Spontaneous rupture of extensor tendons, right ankle and foot
• M66.272 Spontaneous rupture of extensor tendons, left ankle and foot
• M66.279 Spontaneous rupture of extensor tendons, unspecified ankle and foot
• M66.28 Spontaneous rupture of extensor tendons, other site
• M66.29 Spontaneous rupture of extensor tendons, multiple sites
• M66.3 Spontaneous rupture of flexor tendons (this code)
• M66.30 Spontaneous rupture of flexor tendons, unspecified site
• M66.31 Spontaneous rupture of flexor tendons, shoulder
• M66.311 Spontaneous rupture of flexor tendons, right shoulder
• M66.312 Spontaneous rupture of flexor tendons, left shoulder
• M66.319 Spontaneous rupture of flexor tendons, unspecified shoulder