ICD-10-CM > M00-M99 > M80-M85 > M85 > M85.4 M85.4 Solitary bone cyst Non-Billable/Non-Specific Type 2 Excludes solitary cyst of jaw (M27.4) Codes M85.40Solitary bone cyst, unspecified siteM85.41Solitary bone cyst, shoulderM85.411Solitary bone cyst, right shoulderM85.412Solitary bone cyst, left shoulderM85.419Solitary bone cyst, unspecified shoulderM85.42Solitary bone cyst, humerusM85.421Solitary bone cyst, right humerusM85.422Solitary bone cyst, left humerusM85.429Solitary bone cyst, unspecified humerusM85.43Solitary bone cyst, ulna and radiusM85.431Solitary bone cyst, right ulna and radiusM85.432Solitary bone cyst, left ulna and radiusM85.439Solitary bone cyst, unspecified ulna and radiusM85.44Solitary bone cyst, handM85.441Solitary bone cyst, right handM85.442Solitary bone cyst, left handM85.449Solitary bone cyst, unspecified handM85.45Solitary bone cyst, pelvisM85.451Solitary bone cyst, right pelvisM85.452Solitary bone cyst, left pelvisM85.459Solitary bone cyst, unspecified pelvisM85.46Solitary bone cyst, tibia and fibulaM85.461Solitary bone cyst, right tibia and fibulaM85.462Solitary bone cyst, left tibia and fibulaM85.469Solitary bone cyst, unspecified tibia and fibulaM85.47Solitary bone cyst, ankle and footM85.471Solitary bone cyst, right ankle and footM85.472Solitary bone cyst, left ankle and footM85.479Solitary bone cyst, unspecified ankle and footM85.48Solitary bone cyst, other site