| (T) Brain's Meninges, Dura, Subarachnoid, Ventricles | 1.AA |
| (T) Pituitary Region | 1.AF |
| (T) Brain | 1.AN |
| (T) Spinal Cord, Spinal Canal, Meninges | 1.AW |
| (T) Central Nervous System, NOS | 1.AZ |
| (T) Cranial Nerves | 1.BA |
| (T) Nerves of Ear | 1.BD |
| (T) Nerves of Arm | 1.BM |
| (T) Nerves of Lower Trunk, Leg | 1.BT |
| (T) Peripheral Nerves, NOS | 1.BX |
| (T) Nervous System, NOS | 1.BZ |
| (T) Cornea | 1.CC |
| (T) Lens | 1.CL |
| (T) Retina | 1.CN |
| (T) Soft Tissue of Orbit, Eyeball | 1.CP |
| (T) Eye, NOS | 1.CZ |
| (T) External Ear | 1.DA |
| (T) Tympanic Membrane | 1.DF |
| (T) Cochlea | 1.DM |
| (T) Ear, NOS | 1.DZ |
| (T) Cranial Bones | 1.EA |
| (T) Facial Bones | 1.EG |
| (T) Temporomandibular Joint (TMJ) | 1.EL |
| (T) Muscles or Soft Tissues of Head, Neck | 1.EQ |
| (T) Nose | 1.ET |
| (T) Paranasal Sinuses | 1.EY |
| (T) Tooth, Gingiva | 1.FD |
| (T) Nasopharynx, Mouth, Oropharynx | 1.FK |
| (T) Tonsils, Adenoids | 1.FR |
| (T) Thyroid Gland | 1.FU |
| (T) Parathyroid Glands | 1.FV |
| (T) Glottis, Larynx, Related Structures | 1.GE |
| (T) Trachea | 1.GJ |
| (T) Thymus | 1.GK |
| (T) Bronchi | 1.GM |
| (T) Lung | 1.GT |
| (T) Pleura | 1.GV |
| (T) Mediastinum | 1.GW |
| (T) Diaphragm | 1.GX |
| (T) Thoracic Cavity, anything inside, NOS | 1.GY |
| (T) Respiratory System, NOS | 1.GZ |
| (T) Pericardium | 1.HA |
| (T) Cardiac Conduction System | 1.HH |
| (T) Cardiac Atrium | 1.HM |
| (T) Interatrial Septum | 1.HN |
| (T) Cardiac ventricle | 1.HP |
| (T) Interventricular Septum | 1.HR |
| (T) Tricuspid Valve, Related Structures | 1.HS |
| (T) Pulmonic Valve, Related Structures | 1.HT |
| (T) Mitral Valve, Related Structures | 1.HU |
| (T) Aortic Valve, Related Structures | 1.HV |
| (T) Heart, NOS | 1.HZ |
| (T) Thoracic Aorta | 1.IC |
| (T) Aorta, NOS | 1.ID |
| (T) Coronary Arteries | 1.IJ |
| (T) Coronary Vessels, NOS | 1.IL |
| (T) Pulmonary Artery | 1.IM |
| (T) Pulmonary Vein | 1.IN |
| (T) Vena Cava | 1.IS |
| (T) Carotid Artery | 1.JE |
| (T) Subclavian, Brachiocephalic, Brachial, Arm Arteries | 1.JM |
| (T) Jugular, Subclavian, Arm veins | 1.JU |
| (T) Intracranial Vessels | 1.JW |
| (T) Other Vessels of Head, Neck, Spine, NOS | 1.JX |
| (T) Thoracic Vessels, NOS | 1.JY |
| (T) Abdominal Aorta | 1.KA |
| (T) Abdominal Arteries, NOS | 1.KE |
| (T) Arteries of Leg, NOS | 1.KG |
| (T) Veins of Abdomen, Legs | 1.KR |
| (T) Vessels of Pelvis, Perineum, Gluteal Region | 1.KT |
| (T) Artery, NOS | 1.KV |
| (T) Vein, NOS | 1.KX |
| (T) Artery with Vein, NOS | 1.KY |
| (T) Blood Vessels, NOS | 1.KZ |
| (T) Circulatory System, NOS | 1.LZ |
| (T) Axillary Lymph Nodes | 1.MD |
| (T) Intrathoracic Lymph Nodes | 1.MF |
| (T) Intraabdominal, Pelvic, Inguinal Lymph Nodes | 1.MG |
| (T) Lymph Nodes of Extremity | 1.MK |
| (T) Thoracic Duct | 1.MM |
| (T) Lymphatic System, NOS | 1.MZ |
| (T) Esophagus | 1.NA |
| (T) Stomach, Pylorus | 1.NF |
| (T) Small Intestine | 1.NK |
| (T) Large Intestine | 1.NM |
| (T) Anus, Rectum | 1.NQ |
| (T) Appendix | 1.NV |
| (T) Liver | 1.OA |
| (T) Spleen | 1.OB |
| (T) Gallbladder, Bile Ducts | 1.OD |
| (T) Pancreas | 1.OJ |
| (T) Abdominal, Pelvic or Peritoneal Cavity, NOS | 1.OT |
| (T) Surgically Constructed Sites in Digestive and Biliary Tract | 1.OW |
| (T) Digestive System, NOS | 1.OZ |
| (T) Adrenal Gland | 1.PB |
| (T) Kidney | 1.PC |
| (T) Ureter, Bladder or Urethra | 1.PM |
| (T) Surgically Created Sites in Urinary Tract | 1.PV |
| (T) Urinary System, NOS | 1.PZ |
| (T) Penis, Scrotum | 1.QE |
| (T) Testis, Related Structures | 1.QM |
| (T) Prostate | 1.QT |
| (T) Male Genital Tract, NOS | 1.QZ |
| (T) Ovary, Fallopian Tube | 1.RB |
| (T) Uterus and Surrounding Structures | 1.RM |
| (T) Cervix | 1.RN |
| (T) Vagina | 1.RS |
| (T) Vulva or Perineum | 1.RW |
| (T) Female Genital Tract, NOS | 1.RZ |
| (T) Vertebral Bones | 1.SC |
| (T) Intervertebral Disc | 1.SE |
| (T) Back, NOS | 1.SJ |
| (T) Sternum, Ribs, Clavicle, Scapula | 1.SL |
| (T) Pelvic Bones | 1.SQ |
| (T) Muscles of Chest, Abdomen, NOS | 1.SY |
| (T) Soft Tissue of Chest, Abdomen, NOS | 1.SZ |
| (T) Shoulder Joint | 1.TA |
| (T) Rotator Cuff | 1.TC |
| (T) Humerus, Radius, Ulna | 1.TK |
| (T) Elbow Joint | 1.TM |
| (T) Soft Tissue of Arm, NOS | 1.TX |
| (T) Arm, NOS | 1.TZ |
| (T) Wrist Joint | 1.UB |
| (T) Finger | 1.UJ |
| (T) Joints of Fingers, Hand, NOS | 1.UL |
| (T) Soft Tissue of Wrist, Hand | 1.UY |
| (T) Hip Joint | 1.VA |
| (T) Femur | 1.VC |
| (T) Soft Tissue and Muscle of the Hip and Thigh | 1.VD |
| (T) Knee Joint | 1.VG |
| (T) Tibia, Fibula | 1.VQ |
| (T) Soft Tissue of Leg, NOS | 1.VX |
| (T) Leg, NOS | 1.VZ |
| (T) Ankle Joint | 1.WA |
| (T) Toe | 1.WL |
| (T) Soft Tissue of Foot or Ankle | 1.WV |
| (T) Bone, NOS | 1.WX |
| (T) Bone Marrow | 1.WY |
| (T) Musculoskeletal System, NOS | 1.WZ |
| (T) Scalp | 1.YA |
| (T) Lip | 1.YE |
| (T) Breast | 1.YM |
| (T) Skin, NOS | 1.YZ |
| (T) Total Body | 1.ZZ |
| (T) Other or Unknown Part of Body | 1.^^ |
| (D) Brain | 2.AN |
| (D) Spinal Cord, Spinal Canal | 2.AW |
| (D) Peripheral Nerves, NOS | 2.BX |
| (D) Eye, NOS | 2.CZ |
| (D) Ear, NOS | 2.DZ |
| (D) Cranial Bones | 2.EA |
| (D) Facial bones | 2.ED |
| (D) Soft Tissue of Head, Neck | 2.EQ |
| (D) Nose | 2.ET |
| (D) Paranasal Sinuses | 2.EY |
| (D) Nasopharynx, Mouth, Oropharynx | 2.FK |
| (D) Thyroid Gland | 2.FU |
| (D) Parathyroid Glands | 2.FV |
| (D) Larynx, NOS | 2.GE |
| (D) Thymus | 2.GK |
| (D) Bronchi | 2.GM |
| (D) Lung | 2.GT |
| (D) Pleura | 2.GV |
| (D) Mediastinum | 2.GW |
| (D) Anything Inside Thoracic Cavity, NOS | 2.GY |
| (D) Pericardium | 2.HA |
| (D) Heart, NOS | 2.HZ |
| (D) other Vessels of Head, Neck, Spine | 2.JX |
| (D) Arm Vessels | 2.JZ |
| (D) Vessels of Pelvis, Perineum and Gluteal Region | 2.KT |
| (D) Cervical Lymph Node, Neck Region NOS | 2.MC |
| (D) Axillary Lymph Nodes | 2.MD |
| (D) Intrathoracic Lymph Nodes, NOS | 2.MF |
| (D) Intraabdominal, Pelvic, Inguinal Lymph Nodes | 2.MG |
| (D) Lymphatic System, NOS | 2.MZ |
| (D) Esophagus | 2.NA |
| (D) Stomach or Pylorus | 2.NF |
| (D) Small Intestine | 2.NK |
| (D) Large Intestine | 2.NM |
| (D) Anus, Rectum | 2.NQ |
| (D) Liver | 2.OA |
| (D) Spleen | 2.OB |
| (D) Gallbladder or bile ducts | 2.OD |
| (D) Pancreas | 2.OJ |
| (D) Abdominal, Pelvic or Peritoneal Cavity, NOS | 2.OT |
| (D) Adrenal Gland | 2.PB |
| (D) Kidney | 2.PC |
| (D) Ureter, Bladder, Urethra | 2.PM |
| (D) Penis, Scrotum | 2.QE |
| (D) Testis, Related Structures | 2.QM |
| (D) Prostate | 2.QT |
| (D) Ovary, Fallopian Tube | 2.RB |
| (D) Fallopian Tube | 2.RF |
| (D) Uterus, Related Structures | 2.RM |
| (D) Cervix | 2.RN |
| (D) Vagina | 2.RS |
| (D) Vulva, Perineum | 2.RW |
| (D) Vertebral Bones | 2.SC |
| (D) Intervertebral Disc | 2.SE |
| (D) Sacrum, Coccyx | 2.SF |
| (D) Muscles of Back, NOS | 2.SG |
| (D) Soft Tissue of Back | 2.SH |
| (D) Sternum, Ribs, Clavicle, Scapula | 2.SL |
| (D) Pelvic Bones | 2.SQ |
| (D) Muscles of Chest and Abdomen, NOS | 2.SY |
| (D) Soft Tissue of Chest, Abdomen, NOS | 2.SZ |
| (D) Shoulder Joint | 2.TA |
| (D) Rotator Cuff | 2.TC |
| (D) Humerus, Radius, Ulna | 2.TK |
| (D) Elbow Joint | 2.TM |
| (D) Soft Tissue of Arm, NOS | 2.TX |
| (D) Arm, NOS | 2.TZ |
| (D) Wrist Joint | 2.UB |
| (D) Joints of Fingers, Hand, NOS | 2.UL |
| (D) Soft Tissue of Wrist, Hand | 2.UY |
| (D) Hip Joint | 2.VA |
| (D) Femur | 2.VC |
| (D) Knee Joint | 2.VG |
| (D) Tibia, Fibula | 2.VQ |
| (D) Soft Tissue of Leg, NOS | 2.VX |
| (D) Leg, NOS | 2.VZ |
| (D) Ankle Joint | 2.WA |
| (D) Bones, Joints of Foot, Toes | 2.WH |
| (D) Soft Tissue of Foot, Ankle | 2.WV |
| (D) Bone Marrow | 2.WY |
| (D) Musculoskeletal System, NOS | 2.WZ |
| (D) Breast | 2.YM |
| (D) Skin, NOS | 2.YZ |
| (I) Spinal Cord and/or Vertebrae (any segments) | 3.AW |
| (I) Head | 3.ER |
| (I) Neck | 3.FY |
| (I) Thorax | 3.GY |
| (I) Abdomen, Pelvis | 3.OT |
| (I) Digestive System, NOS | 3.OZ |
| (I) Arm | 3.TZ |
| (I) Leg | 3.VZ |
| (I) Total Body | 3.ZZ |