ICD-10-CA Code Directory
Search every valid ICD-10-CA code, or browse CIHI’s chapters, blocks and categories with each code’s index terms and coding notes.
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Ch. 1Certain infectious and parasitic diseases (A00-B99)783 codes
A00-A09Intestinal infectious diseasesA15-A19TuberculosisA20-A28Certain zoonotic bacterial diseasesA30-A49Other bacterial diseasesA50-A64Infections with a predominantly sexual mode of transmissionA65-A69Other spirochaetal diseasesA70-A74Other diseases caused by chlamydiaeA75-A79RickettsiosesA80-A89Viral infections of the central nervous systemA92-A99Arthropod-borne viral fevers and viral haemorrhagic feversB00-B09Viral infections characterized by skin and mucous membrane lesionsB15-B19Viral hepatitisB24-B24Human immunodeficiency virus [HIV] disease (B24)B25-B34Other viral diseasesB35-B49MycosesB50-B64Protozoal diseasesB65-B83HelminthiasesB85-B89Pediculosis, acariasis and other infestationsB90-B94Sequelae of infectious and parasitic diseasesB95-B98Bacterial, viral and other infectious agentsB99-B99Other infectious diseases (B99)
Ch. 2Neoplasms (C00-D48)842 codes
Ch. 3Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)169 codes
Ch. 4Endocrine, nutritional and metabolic diseases (E00-E90)428 codes
E00-E07Disorders of thyroid glandE10-E14Diabetes mellitusE15-E16Other disorders of glucose regulation and pancreatic internal secretionE20-E35Disorders of other endocrine glandsE40-E46MalnutritionE50-E64Other nutritional deficienciesE65-E68Obesity and other hyperalimentationE70-E90Metabolic disorders
Ch. 5Mental and behavioural disorders (F00-F99)444 codes
F00-F09Organic, including symptomatic, mental disordersF10-F19Mental and behavioural disorders due to psychoactive substance useF20-F29Schizophrenia, schizotypal and delusional disordersF30-F39Mood [affective] disordersF40-F48Neurotic, stress-related and somatoform disordersF50-F59Behavioural syndromes associated with physiological disturbances and physical factorsF60-F69Disorders of adult personality and behaviourF70-F79Mental retardationF80-F89Disorders of psychological developmentF90-F98Behavioural and emotional disorders with onset usually occurring in childhood and adolescenceF99-F99Unspecified mental disorder (F99)
Ch. 6Diseases of the nervous system (G00-G99)417 codes
G00-G09Inflammatory diseases of the central nervous systemG10-G14Systemic atrophies primarily affecting the central nervous systemG20-G26Extrapyramidal and movement disordersG30-G32Other degenerative diseases of the nervous systemG35-G37Demyelinating diseases of the central nervous systemG40-G47Episodic and paroxysmal disordersG50-G59Nerve, nerve root and plexus disordersG60-G64Polyneuropathies and other disorders of the peripheral nervous systemG70-G73Diseases of myoneural junction and muscleG80-G83Cerebral palsy and other paralytic syndromesG90-G99Other disorders of the nervous system
Ch. 7Diseases of the eye and adnexa (H00-H59)265 codes
H00-H06Disorders of eyelid, lacrimal system and orbitH10-H13Disorders of conjunctivaH15-H22Disorders of sclera, cornea, iris and ciliary bodyH25-H28Disorders of lensH30-H36Disorders of choroid and retinaH40-H42GlaucomaH43-H45Disorders of vitreous body and globeH46-H48Disorders of optic nerve and visual pathwaysH49-H52Disorders of ocular muscles, binocular movement, accommodation and refractionH53-H54Visual disturbances and blindnessH55-H59Other disorders of eye and adnexa
Ch. 8Diseases of the ear and mastoid process (H60-H95)113 codes
Ch. 9Diseases of the circulatory system (I00-I99)404 codes
I00-I02Acute rheumatic feverI05-I09Chronic rheumatic heart diseasesI10-I15Hypertensive diseasesI20-I25Ischaemic heart diseasesI26-I28Pulmonary heart disease and diseases of pulmonary circulationI30-I52Other forms of heart diseaseI60-I69Cerebrovascular diseasesI70-I79Diseases of arteries, arterioles and capillariesI80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classifiedI95-I99Other and unspecified disorders of the circulatory system
Ch. 10Diseases of the respiratory system (J00-J99)256 codes
J00-J06Acute upper respiratory infectionsJ09-J18Influenza and pneumoniaJ20-J22Other acute lower respiratory infectionsJ30-J39Other diseases of upper respiratory tractJ40-J47Chronic lower respiratory diseasesJ60-J70Lung diseases due to external agentsJ80-J84Other respiratory diseases principally affecting the interstitiumJ85-J86Suppurative and necrotic conditions of lower respiratory tractJ90-J94Other diseases of pleuraJ95-J99Other diseases of the respiratory system
Ch. 11Diseases of the digestive system (K00-K93)499 codes
K00-K14Diseases of oral cavity, salivary glands and jawsK20-K31Diseases of oesophagus, stomach and duodenumK35-K38Diseases of appendixK40-K46HerniaK50-K52Noninfective enteritis and colitisK55-K64Other diseases of intestinesK65-K67Diseases of peritoneumK70-K77Diseases of liverK80-K87Disorders of gallbladder, biliary tract and pancreasK90-K93Other diseases of the digestive system
Ch. 12Diseases of the skin and subcutaneous tissue (L00-L99)354 codes
L00-L08Infections of the skin and subcutaneous tissueL10-L14Bullous disordersL20-L30Dermatitis and eczemaL40-L45Papulosquamous disordersL50-L54Urticaria and erythemaL55-L59Radiation-related disorders of the skin and subcutaneous tissueL60-L75Disorders of skin appendagesL80-L99Other disorders of the skin and subcutaneous tissue
Ch. 13Diseases of the musculoskeletal system and connective tissue (M00-M99)2,538 codes
Ch. 14Diseases of the genitourinary system (N00-N99)477 codes
N00-N08Glomerular diseasesN10-N16Renal tubulo-interstitial diseasesN17-N19Renal failureN20-N23UrolithiasisN25-N29Other disorders of kidney and ureterN30-N39Other diseases of urinary systemN40-N51Diseases of male genital organsN60-N64Disorders of breastN70-N77Inflammatory diseases of female pelvic organsN80-N98Noninflammatory disorders of female genital tractN99-N99Other disorders of the genitourinary system (N99)
Ch. 15Pregnancy, childbirth and the puerperium (O00-O99)1,457 codes
O00-O08Pregnancy with abortive outcomeO10-O16Oedema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperiumO20-O29Other maternal disorders predominantly related to pregnancyO30-O48Maternal care related to the fetus and amniotic cavity and possible delivery problemsO60-O75Complications of labour and deliveryO85-O92Complications predominantly related to the puerperiumO94-O99Other obstetric conditions, not elsewhere classified
Ch. 16Certain conditions originating in the perinatal period (P00-P96)347 codes
P00-P04Fetus and newborn affected by maternal factors and by complications of pregnancy, labour and deliveryP05-P08Disorders related to length of gestation and fetal growthP10-P15Birth traumaP20-P29Respiratory and cardiovascular disorders specific to the perinatal periodP35-P39Infections specific to the perinatal periodP50-P61Haemorrhagic and haematological disorders of fetus and newbornP70-P74Transitory endocrine and metabolic disorders specific to fetus and newbornP75-P78Digestive system disorders of fetus and newbornP80-P83Conditions involving the integument and temperature regulation of fetus and newbornP90-P96Other disorders originating in the perinatal period
Ch. 17Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)634 codes
Q00-Q07Congenital malformations of the nervous systemQ10-Q18Congenital malformations of eye, ear, face and neckQ20-Q28Congenital malformations of the circulatory systemQ30-Q34Congenital malformations of the respiratory systemQ35-Q37Cleft lip and cleft palateQ38-Q45Other congenital malformations of the digestive systemQ50-Q56Congenital malformations of genital organsQ60-Q64Congenital malformations of the urinary systemQ65-Q79Congenital malformations and deformations of the musculoskeletal systemQ80-Q89Other congenital malformationsQ90-Q99Chromosomal abnormalities, not elsewhere classified
Ch. 18Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)375 codes
R00-R09Symptoms and signs involving the circulatory and respiratory systemsR10-R19Symptoms and signs involving the digestive system and abdomenR20-R23Symptoms and signs involving the skin and subcutaneous tissueR25-R29Symptoms and signs involving the nervous and musculoskeletal systemsR30-R39Symptoms and signs involving the urinary systemR40-R46Symptoms and signs involving cognition, perception, emotional state and behaviourR47-R49Symptoms and signs involving speech and voiceR50-R69General symptoms and signsR70-R79Abnormal findings on examination of blood, without diagnosisR80-R82Abnormal findings on examination of urine, without diagnosisR83-R89Abnormal findings on examination of other body fluids, substances and tissues, without diagnosisR90-R94Abnormal findings on diagnostic imaging and in function studies, without diagnosisR95-R99Ill-defined and unknown causes of mortality
Ch. 19Injury, poisoning and certain other consequences of external causes (S00-T98)2,360 codes
S00-S09Injuries to the headS10-S19Injuries to the neckS20-S29Injuries to the thoraxS30-S39Injuries to the abdomen, lower back, lumbar spine and pelvisS40-S49Injuries to the shoulder and upper armS50-S59Injuries to the elbow and forearmS60-S69Injuries to the wrist and handS70-S79Injuries to the hip and thighS80-S89Injuries to the knee and lower legS90-S99Injuries to the ankle and footT00-T07Injuries involving multiple body regionsT08-T14Injuries to unspecified parts of trunk, limb or body regionT15-T19Effects of foreign body entering through natural orificeT20-T32Burns and corrosionsT33-T35FrostbiteT36-T50Poisoning by drugs, medicaments and biological substancesT51-T65Toxic effects of substances chiefly nonmedicinal as to sourceT66-T78Other and unspecified effects of external causesT79-T79Certain early complications of trauma (T79)T80-T88Complications of surgical and medical care, not elsewhere classifiedT90-T98Sequelae of injuries, of poisoning and of other consequences of external causes
Ch. 20External causes of morbidity and mortality (V01-Y98)1,493 codes
V01-X59AccidentsX60-X84Intentional self-harmX85-Y09AssaultY10-Y34Event of undetermined intentY35-Y36Legal intervention and operations of warY40-Y84Complications of medical and surgical careY85-Y89Sequelae of external causes of morbidity and mortalityY90-Y98Supplementary factors related to causes of morbidity and mortality classified elsewhere
Ch. 21Factors influencing health status and contact with health services (Z00-Z99)773 codes
Z00-Z13Persons encountering health services for examination and investigationZ20-Z29Persons with potential health hazards related to communicable diseasesZ30-Z39Persons encountering health services in circumstances related to reproductionZ40-Z54Persons encountering health services for specific procedures and health careZ55-Z65Persons with potential health hazards related to socioeconomic and psychosocial circumstancesZ70-Z76Persons encountering health services in other circumstancesZ80-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
Ch. 23Provisional Codes for Research and Temporary Assignment136 codes
Other code sets
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This directory is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. Search, lists, code pages and structured data all read that one catalog.
Frequently asked questions
What is ICD-10-CA?
ICD-10-CA is the Canadian enhancement of the World Health Organization’s ICD-10, maintained by the Canadian Institute for Health Information (CIHI) for coding diagnoses in Canadian health records.
How many ICD-10-CA codes are there?
CIHI’s FY 2026–2027 release lists 15,564 codes. Each has its own page here with its description, notes and place in the list.
Which release does this directory use?
CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. Vero Codes reads the same catalog when it suggests codes from a note.
Can this directory replace the official list?
No. It is a reference for finding codes. Confirm a code against CIHI’s current publication and the payer’s rules before you submit it.