M66.34 Spontaneous rupture of flexor tendons, hand

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 M66.34

• M66.341 Spontaneous rupture of flexor tendons, right hand
• M66.342 Spontaneous rupture of flexor tendons, left hand
• M66.349 Spontaneous rupture of flexor tendons, unspecified hand

Code annotations containing back-references to M66.34

Back-references to M66

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

Diagnosis Index entries for M66.34

• Rupture, ruptured › tendon (traumatic) › nontraumatic (spontaneous) › flexor › hand

Nearby codes

• M66.329 Spontaneous rupture of flexor tendons, unspecified upper arm
• M66.33 Spontaneous rupture of flexor tendons, forearm
• M66.331 Spontaneous rupture of flexor tendons, right forearm
• M66.332 Spontaneous rupture of flexor tendons, left forearm
• M66.339 Spontaneous rupture of flexor tendons, unspecified forearm
• M66.34 Spontaneous rupture of flexor tendons, hand (this code)
• M66.341 Spontaneous rupture of flexor tendons, right hand
• M66.342 Spontaneous rupture of flexor tendons, left hand
• M66.349 Spontaneous rupture of flexor tendons, unspecified hand
• M66.35 Spontaneous rupture of flexor tendons, thigh
• M66.351 Spontaneous rupture of flexor tendons, right thigh