M61.16 Myositis ossificans progressiva, lower legNon-billable header with 3 child codes.
M61.161 Myositis ossificans progressiva, right lower legM61.162 Myositis ossificans progressiva, left lower legM61.169 Myositis ossificans progressiva, unspecified lower legM61.146 Myositis ossificans progressiva, unspecified finger(s)M61.15 Myositis ossificans progressiva, thighM61.151 Myositis ossificans progressiva, right thighM61.152 Myositis ossificans progressiva, left thighM61.159 Myositis ossificans progressiva, unspecified thighM61.16 Myositis ossificans progressiva, lower leg (this code)M61.161 Myositis ossificans progressiva, right lower legM61.162 Myositis ossificans progressiva, left lower legM61.169 Myositis ossificans progressiva, unspecified lower legM61.17 Myositis ossificans progressiva, ankle, foot and toe(s)M61.171 Myositis ossificans progressiva, right ankle