M90.55 - Osteonecrosis in diseases classified elsewhere, thigh M90.5 - Osteonecrosis in diseases classified elsewhere M90.55 - Osteonecrosis in diseases classified elsewhere, thigh
M90.551 - Osteonecrosis in diseases classified elsewhere, right thigh M90.552 - Osteonecrosis in diseases classified elsewhere, left thigh M90.559 - Osteonecrosis in diseases classified elsewhere, unspecified thigh