M12.41 Intermittent hydrarthrosis, shoulderNon-billable header with 3 child codes.
M12.411 Intermittent hydrarthrosis, right shoulderM12.412 Intermittent hydrarthrosis, left shoulderM12.419 Intermittent hydrarthrosis, unspecified shoulderM25.4 Effusion of joint ("intermittent hydrarthrosis (M12.4-)")M12.379 Palindromic rheumatism, unspecified ankle and footM12.38 Palindromic rheumatism, other specified siteM12.39 Palindromic rheumatism, multiple sitesM12.4 Intermittent hydrarthrosisM12.40 Intermittent hydrarthrosis, unspecified siteM12.41 Intermittent hydrarthrosis, shoulder (this code)M12.411 Intermittent hydrarthrosis, right shoulderM12.412 Intermittent hydrarthrosis, left shoulderM12.419 Intermittent hydrarthrosis, unspecified shoulderM12.42 Intermittent hydrarthrosis, elbowM12.421 Intermittent hydrarthrosis, right elbow