SG20-SG2Z block
Main Meridian Patterns (TM1)
14 subordinate codes
SG20Lung meridian pattern (TM1)SG21Large intestine meridian pattern (TM1)SG22Stomach meridian pattern (TM1)SG23Spleen meridian pattern (TM1)SG24Heart meridian pattern (TM1)SG25Small intestine meridian pattern (TM1)SG26Bladder meridian pattern (TM1)SG27Kidney meridian pattern (TM1)SG28Pericardium meridian pattern (TM1)SG29Triple energizer meridian pattern (TM1)SG2AGallbladder meridian pattern (TM1)SG2BLiver meridian pattern (TM1)4B4YOther specified diseases of the immune system4B4ZDiseases of the immune system, unspecified