ICD-10 Diagnosis Code M66.146

Rupture of synovium, unspecified finger(s)

Diagnosis Code M66.146

ICD-10: M66.146
Short Description: Rupture of synovium, unspecified finger(s)
Long Description: Rupture of synovium, unspecified finger(s)
This is the 2017 version of the ICD-10-CM diagnosis code M66.146

Code Classification
  • Diseases of the musculoskeletal system and connective tissue
    • Disorders of synovium and tendon (M65-M67)
      • Spontaneous rupture of synovium and tendon (M66)

Information for Patients

Finger Injuries and Disorders

You use your fingers and thumbs to do everything from grasping objects to playing musical instruments to typing. When there is something wrong with them, it can make life difficult. Common problems include

  • Injuries that result in fractures, ruptured ligaments and dislocations
  • Osteoarthritis - wear-and-tear arthritis. It can also cause deformity.
  • Tendinitis - irritation of the tendons
  • Dupuytren's contracture - a hereditary thickening of the tough tissue that lies just below the skin of your palm. It causes the fingers to stiffen and bend.
  • Trigger finger - an irritation of the sheath that surrounds the flexor tendons. It can cause the tendon to catch and release like a trigger.

  • Claw hand
  • Clubbing of the fingers or toes
  • Finger pain
  • Mallet finger - aftercare
  • Polydactyly
  • Smashed fingers
  • Trigger finger

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