M25.66✓ Billable
Stiffness of knee, not elsewhere classified
Sub-codes of M25.66(2)
M25.66 is a non-billable header. Select a sub-code to bill.
Code Hierarchy
┌13Diseases of the musculoskeletal system and connective tissue (M00-M99)├M20-M25Other joint disorders (M20-M25)
└M25.66Stiffness of knee, not elsewhere classified
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