ICD-10-CM > M00-M99 > M65-M67 > M65 > M65.0 > M65.07 M65.07 Abscess of tendon sheath, ankle and foot Non-Billable/Non-Specific Codes M65.071Abscess of tendon sheath, right ankle and footM65.072Abscess of tendon sheath, left ankle and footM65.079Abscess of tendon sheath, unspecified ankle and foot