M12.46 - Intermittent hydrarthrosis, knee M12.4 - Intermittent hydrarthrosis M12.46 - Intermittent hydrarthrosis, knee
M12.461 - Intermittent hydrarthrosis, right knee M12.462 - Intermittent hydrarthrosis, left knee M12.469 - Intermittent hydrarthrosis, unspecified knee