M77.0Non-Billable (Header)Medial epicondylitisChild CodesM77.00Medial epicondylitis, unspecified elbowM77.01Medial epicondylitis, right elbowM77.02Medial epicondylitis, left elbowCode Hierarchy└M77Other enthesopathies└M77.0Medial epicondylitis└M77.0Medial epicondylitis