M66.81 Spontaneous rupture of other tendons, shoulder

Non-billable header with 3 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 M66.81

• M66.811 Spontaneous rupture of other tendons, right shoulder
• M66.812 Spontaneous rupture of other tendons, left shoulder
• M66.819 Spontaneous rupture of other tendons, unspecified shoulder

Code annotations containing back-references to M66.81

Back-references to M66

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

Diagnosis Index entries for M66.81

• Rupture, ruptured › tendon (traumatic) › nontraumatic (spontaneous) › shoulder region

Nearby codes

• M66.379 Spontaneous rupture of flexor tendons, unspecified ankle and foot
• M66.38 Spontaneous rupture of flexor tendons, other site
• M66.39 Spontaneous rupture of flexor tendons, multiple sites
• M66.8 Spontaneous rupture of other tendons
• M66.80 Spontaneous rupture of other tendons, unspecified site
• M66.81 Spontaneous rupture of other tendons, shoulder (this code)
• M66.811 Spontaneous rupture of other tendons, right shoulder
• M66.812 Spontaneous rupture of other tendons, left shoulder
• M66.819 Spontaneous rupture of other tendons, unspecified shoulder
• M66.82 Spontaneous rupture of other tendons, upper arm
• M66.821 Spontaneous rupture of other tendons, right upper arm