Hierarchy | I - Certain infectious and parasitic diseases |
| | A00-A09 - Intestinal infectious diseases (10) |
| | A15-A19 - Tuberculosis (5) |
| | A20-A28 - Certain zoonotic bacterial diseases (9) |
| | A30-A49 - Other bacterial diseases (18) |
| | A50-A64 - Infections with a predominantly sexual mode of transmission (13) |
| | A65-A69 - Other spirochaetal diseases (5) |
| | A70-A74 - Other diseases caused by chlamydiae (3) |
| | A75-A79 - Rickettsioses (4) |
| | A80-A89 - Viral infections of the central nervous system (10) |
| | A90-A99 - Arthropod-borne viral fevers and viral haemorrhagic fevers (9) |
| | B00-B09 - Viral infections characterized by skin and mucous membrane lesions (10) |
| | B15-B19 - Viral hepatitis (5) |
| | B20-B24 - Human immunodeficiency virus [HIV] disease (5) |
| | B25-B34 - Other viral diseases (6) |
| | B50-B64 - Protozoal diseases (12) |
| | B65-B83 - Helminthiases (19) |
| | B85-B89 - Pediculosis, acariasis and other infestations (5) |
| | B90-B94 - Sequelae of infectious and parasitic diseases (4) |
| | B95-B98 - Bacterial, viral and other infectious agents (4) |
| | B99-B99 - Other infectious diseases (1) |
| | C00-C97 - Malignant neoplasms (4) |
| | D00-D09 - In situ neoplasms (9) |
| | D10-D36 - Benign neoplasms (27) |
| | D37-D48 - Neoplasms of uncertain or unknown behaviour (12) |
| III - Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism |
| | D50-D53 - Nutritional anaemias (4) |
| | D55-D59 - Haemolytic anaemias (5) |
| | D60-D64 - Aplastic and other anaemias (5) |
| | D65-D69 - Coagulation defects, purpura and other haemorrhagic conditions (5) |
| | D70-D77 - Other diseases of blood and blood-forming organs (8) |
| | D80-D89 - Certain disorders involving the immune mechanism (7) |
| IV - Endocrine, nutritional and metabolic diseases |
| | E00-E07 - Disorders of thyroid gland (8) |
| | E10-E14 - Diabetes mellitus (5) |
| | E15-E16 - Other disorders of glucose regulation and pancreatic internal secretion (2) |
| | E20-E35 - Disorders of other endocrine glands (15) |
| | E40-E46 - Malnutrition (7) |
| | E50-E64 - Other nutritional deficiencies (13) |
| | E65-E68 - Obesity and other hyperalimentation (4) |
| | E70-E90 - Metabolic disorders (19) |
| V - Mental and behavioural disorders |
| | F00-F09 - Organic, including symptomatic, mental disorders (9) |
| | F10-F19 - Mental and behavioural disorders due to psychoactive substance use (10) |
| | F20-F29 - Schizophrenia, schizotypal and delusional disorders (8) |
| | F30-F39 - Mood [affective] disorders (7) |
| | F40-F48 - Neurotic, stress-related and somatoform disorders (7) |
| | F50-F59 - Behavioural syndromes associated with physiological disturbances and physical factors (7) |
| | F60-F69 - Disorders of adult personality and behaviour (9) |
| | F70-F79 - Mental retardation (6) |
| | F80-F89 - Disorders of psychological development (7) |
| | F90-F98 - Behavioural and emotional disorders with onset usually occurring in childhood and adolescence (7) |
| | F99-F99 - Unspecified mental disorder (1) |
| VI - Diseases of the nervous system |
| | G00-G09 - Inflammatory diseases of the central nervous system (10) |
| | G10-G14 - Systemic atrophies primarily affecting the central nervous system (5) |
| | G20-G26 - Extrapyramidal and movement disorders (7) |
| | G30-G32 - Other degenerative diseases of the nervous system (3) |
| | G35-G37 - Demyelinating diseases of the central nervous system (3) |
| | G40-G47 - Episodic and paroxysmal disorders (7) |
| | G50-G59 - Nerve, nerve root and plexus disorders (10) |
| | G60-G64 - Polyneuropathies and other disorders of the peripheral nervous system (5) |
| | G70-G73 - Diseases of myoneural junction and muscle (4) |
| | G80-G83 - Cerebral palsy and other paralytic syndromes (4) |
| | G90-G99 - Other disorders of the nervous system (10) |
| VII - Diseases of the eye and adnexa |
| | H00-H06 - Disorders of eyelid, lacrimal system and orbit (7) |
| | H10-H13 - Disorders of conjunctiva (3) |
| | H15-H22 - Disorders of sclera, cornea, iris and ciliary body (8) |
| | H25-H28 - Disorders of lens (4) |
| | H30-H36 - Disorders of choroid and retina (7) |
| | H43-H45 - Disorders of vitreous body and globe (3) |
| | H46-H48 - Disorders of optic nerve and visual pathways (3) |
| | H49-H52 - Disorders of ocular muscles, binocular movement, accommodation and refraction (4) |
| | H53-H54 - Visual disturbances and blindness (2) |
| | H55-H59 - Other disorders of eye and adnexa (4) |
| VIII - Diseases of the ear and mastoid process |
| | H60-H62 - Diseases of external ear (3) |
| | H65-H75 - Diseases of middle ear and mastoid (11) |
| | H80-H83 - Diseases of inner ear (4) |
| | H90-H95 - Other disorders of ear (6) |
| IX - Diseases of the circulatory system |
| | I00-I02 - Acute rheumatic fever (3) |
| | I05-I09 - Chronic rheumatic heart diseases (5) |
| | I10-I15 - Hypertensive diseases (5) |
| | I20-I25 - Ischaemic heart diseases (6) |
| | I26-I28 - Pulmonary heart disease and diseases of pulmonary circulation (3) |
| | I30-I52 - Other forms of heart disease (23) |
| | I60-I69 - Cerebrovascular diseases (10) |
| | I70-I79 - Diseases of arteries, arterioles and capillaries (8) |
| | I80-I89 - Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (10) |
| | I95-I99 - Other and unspecified disorders of the circulatory system (4) |
| X - Diseases of the respiratory system |
| | J00-J06 - Acute upper respiratory infections (7) |
| | J09-J18 - Influenza and pneumonia (10) |
| | J20-J22 - Other acute lower respiratory infections (3) |
| | J30-J39 - Other diseases of upper respiratory tract (10) |
| | J40-J47 - Chronic lower respiratory diseases (8) |
| | J60-J70 - Lung diseases due to external agents (11) |
| | J80-J84 - Other respiratory diseases principally affecting the interstitium (4) |
| | J85-J86 - Suppurative and necrotic conditions of lower respiratory tract (2) |
| | J90-J94 - Other diseases of pleura (5) |
| | J95-J99 - Other diseases of the respiratory system (4) |
| XI - Diseases of the digestive system |
| | K00-K14 - Diseases of oral cavity, salivary glands and jaws (15) |
| | K20-K31 - Diseases of oesophagus, stomach and duodenum (11) |
| | K35-K38 - Diseases of appendix (4) |
| | K50-K52 - Noninfective enteritis and colitis (3) |
| | K55-K63 - Other diseases of intestines (9) |
| | K65-K67 - Diseases of peritoneum (3) |
| | K70-K77 - Diseases of liver (8) |
| | K80-K87 - Disorders of gallbladder, biliary tract and pancreas (7) |
| | K90-K93 - Other diseases of the digestive system (4) |
| XII - Diseases of the skin and subcutaneous tissue |
| | L00-L08 - Infections of the skin and subcutaneous tissue (7) |
| | L10-L14 - Bullous disorders (5) |
| | L20-L30 - Dermatitis and eczema (11) |
| | L40-L45 - Papulosquamous disorders (6) |
| | L50-L54 - Urticaria and erythema (5) |
| | L55-L59 - Radiation-related disorders of the skin and subcutaneous tissue (5) |
| | L60-L75 - Disorders of skin appendages (14) |
| | L80-L99 - Other disorders of the skin and subcutaneous tissue (19) |
| XIII - Diseases of the musculoskeletal system and connective tissue |
| | M00-M25 - Arthropathies (4) |
| | M30-M36 - Systemic connective tissue disorders (7) |
| | M40-M54 - Dorsopathies (3) |
| | M60-M79 - Soft tissue disorders (3) |
| | M80-M94 - Osteopathies and chondropathies (3) |
| | M95-M99 - Other disorders of the musculoskeletal system and connective tissue (3) |
| XIV - Diseases of the genitourinary system |
| | N00-N08 - Glomerular diseases (9) |
| | N10-N16 - Renal tubulo-interstitial diseases (7) |
| | N17-N19 - Renal failure (3) |
| | N20-N23 - Urolithiasis (4) |
| | N25-N29 - Other disorders of kidney and ureter (5) |
| | N30-N39 - Other diseases of urinary system (9) |
| | N40-N51 - Diseases of male genital organs (12) |
| | N60-N64 - Disorders of breast (5) |
| | N70-N77 - Inflammatory diseases of female pelvic organs (8) |
| | N80-N98 - Noninflammatory disorders of female genital tract (19) |
| | N99-N99 - Other disorders of the genitourinary system (1) |
| XV - Pregnancy, childbirth and the puerperium |
| | O00-O08 - Pregnancy with abortive outcome (9) |
| | O10-O16 - Oedema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (7) |
| | O20-O29 - Other maternal disorders predominantly related to pregnancy (9) |
| | O30-O48 - Maternal care related to the fetus and amniotic cavity and possible delivery problems (16) |
| | O60-O75 - Complications of labour and delivery (16) |
| | O85-O92 - Complications predominantly related to the puerperium (8) |
| | O94-O99 - Other obstetric conditions, not elsewhere classified (6) |
| XVI - Certain conditions originating in the perinatal period |
| | P00-P04 - Fetus and newborn affected by maternal factors and by complications of pregnancy, labour and delivery (5) |
| | P05-P08 - Disorders related to length of gestation and fetal growth (3) |
| | P10-P15 - Birth trauma (6) |
| | P20-P29 - Respiratory and cardiovascular disorders specific to the perinatal period (10) |
| | P35-P39 - Infections specific to the perinatal period (5) |
| | P50-P61 - Haemorrhagic and haematological disorders of fetus and newborn (12) |
| | P70-P74 - Transitory endocrine and metabolic disorders specific to fetus and newborn (4) |
| | P75-P78 - Digestive system disorders of fetus and newborn (4) |
| | P80-P83 - Conditions involving the integument and temperature regulation of fetus and newborn (3) |
| | P90-P96 - Other disorders originating in the perinatal period (7) |
| XVII - Congenital malformations, deformations and chromosomal abnormalities |
| | Q00-Q07 - Congenital malformations of the nervous system (8) |
| | Q10-Q18 - Congenital malformations of eye, ear, face and neck (9) |
| | Q20-Q28 - Congenital malformations of the circulatory system (9) |
| | Q30-Q34 - Congenital malformations of the respiratory system (5) |
| | Q35-Q37 - Cleft lip and cleft palate (3) |
| | Q38-Q45 - Other congenital malformations of the digestive system (8) |
| | Q50-Q56 - Congenital malformations of genital organs (7) |
| | Q60-Q64 - Congenital malformations of the urinary system (5) |
| | Q65-Q79 - Congenital malformations and deformations of the musculoskeletal system (15) |
| | Q80-Q89 - Other congenital malformations (9) |
| | Q90-Q99 - Chromosomal abnormalities, not elsewhere classified (9) |
| XVIII - Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified |
| | R00-R09 - Symptoms and signs involving the circulatory and respiratory systems (9) |
| | R10-R19 - Symptoms and signs involving the digestive system and abdomen (10) |
| | R20-R23 - Symptoms and signs involving the skin and subcutaneous tissue (4) |
| | R25-R29 - Symptoms and signs involving the nervous and musculoskeletal systems (4) |
| | R30-R39 - Symptoms and signs involving the urinary system (8) |
| | R40-R46 - Symptoms and signs involving cognition, perception, emotional state and behaviour (7) |
| | R47-R49 - Symptoms and signs involving speech and voice (3) |
| | R50-R69 - General symptoms and signs (18) |
| | R70-R79 - Abnormal findings on examination of blood, without diagnosis (10) |
| | R80-R82 - Abnormal findings on examination of urine, without diagnosis (3) |
| | R83-R89 - Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (6) |
| | R90-R94 - Abnormal findings on diagnostic imaging and in function studies, without diagnosis (5) |
| | R95-R99 - Ill-defined and unknown causes of mortality (4) |
| XIX - Injury, poisoning and certain other consequences of external causes |
| | S00-S09 - Injuries to the head (10) |
| | S10-S19 - Injuries to the neck (10) |
| | S20-S29 - Injuries to the thorax (10) |
| | S30-S39 - Injuries to the abdomen, lower back, lumbar spine and pelvis (10) |
| | S40-S49 - Injuries to the shoulder and upper arm (10) |
| | S50-S59 - Injuries to the elbow and forearm (10) |
| | S60-S69 - Injuries to the wrist and hand (10) |
| | S70-S79 - Injuries to the hip and thigh (10) |
| | S80-S89 - Injuries to the knee and lower leg (10) |
| | S90-S99 - Injuries to the ankle and foot (10) |
| | T00-T07 - Injuries involving multiple body regions (8) |
| | T08-T14 - Injuries to unspecified part of trunk, limb or body region (7) |
| | T15-T19 - Effects of foreign body entering through natural orifice (5) |
| | T20-T32 - Burns and corrosions (3) |
| | T36-T50 - Poisoning by drugs, medicaments and biological substances (15) |
| | T51-T65 - Toxic effects of substances chiefly nonmedicinal as to source (15) |
| | T66-T78 - Other and unspecified effects of external causes (10) |
| | T79-T79 - Certain early complications of trauma (1) |
| | T80-T88 - Complications of surgical and medical care, not elsewhere classified (9) |
| | T90-T98 - Sequelae of injuries, of poisoning and of other consequences of external causes (9) |
| XX - External causes of morbidity and mortality |
| | X60-X84 - Intentional self-harm (25) |
| | Y10-Y34 - Event of undetermined intent (25) |
| | Y35-Y36 - Legal intervention and operations of war (2) |
| | Y40-Y84 - Complications of medical and surgical care (4) |
| | Y85-Y89 - Sequelae of external causes of morbidity and mortality (5) |
| | Y90-Y98 - Supplementary factors related to causes of morbidity and mortality classified elsewhere (6) |
| XXI - Factors influencing health status and contact with health services |
| | Z00-Z13 - Persons encountering health services for examination and investigation (11) |
| | Z20-Z29 - Persons with potential health hazards related to communicable diseases (10) |
| | Z30-Z39 - Persons encountering health services in circumstances related to reproduction (10) |
| | Z40-Z54 - Persons encountering health services for specific procedures and health care (15) |
| | Z55-Z65 - Persons with potential health hazards related to socioeconomic and psychosocial circumstances (11) |
| | Z70-Z76 - Persons encountering health services in other circumstances (7) |
| | Z80-Z99 - Persons with potential health hazards related to family and personal history and certain conditions influencing health status (20) |
| XXII - Codes for special purposes |
| | U00-U49 - Provisional assignment of new diseases of uncertain etiology (1) |
| | U80-U89 - Bacterial agents resistant to antibiotics (4) |
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