ICD-10-CM > M00-M99 > M65-M67 > M65 > M65.0 > M65.06 M65.06 Abscess of tendon sheath, lower leg Non-Billable/Non-Specific Codes M65.061Abscess of tendon sheath, right lower legM65.062Abscess of tendon sheath, left lower legM65.069Abscess of tendon sheath, unspecified lower leg