M12.4 - Intermittent hydrarthrosis
M12.47 - Intermittent hydrarthrosis, ankle and foot
M12.471 - Intermittent hydrarthrosis, right ankle and foot
M12.472 - Intermittent hydrarthrosis, left ankle and foot
M12.479 - Intermittent hydrarthrosis, unspecified ankle and foot