ICD-10-CM > M00-M99 > M65-M67 > M67 > M67.2 > M67.24 M67.24 Synovial hypertrophy, not elsewhere classified, hand Non-Billable/Non-Specific Codes M67.241Synovial hypertrophy, not elsewhere classified, right handM67.242Synovial hypertrophy, not elsewhere classified, left handM67.249Synovial hypertrophy, not elsewhere classified, unspecified hand