Certain specified disorders of synovium or tendon

Exclusions

• Palmar fascial fibromatosis (FB51.0)
• tendinitis NOS (FB55)
• xanthomatosis localized to tendons (5C80.2)

4 subordinate codes

• FB42.0Acquired short Achilles tendon
• FB42.1Contracture of tendon sheath
• FB42.2Ganglion
• FB42.3Synovial hypertrophy, not elsewhere classified

Also indexed as

Nearby in Disorders of synovium or tendon

• FB40Tenosynovitis
• FB41Spontaneous rupture of synovium or tendon
• FB43Secondary disorders of synovium or tendon
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified