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Browse the complete ICD-10-CM code set by chapter. Select a chapter to view all categories and codes within that chapter.
Covers bacterial, viral, and parasitic infections including tuberculosis, HIV, hepatitis, and other communicable diseases.
Includes all types of malignant and benign neoplasms, organized by anatomical site and behavior.
Covers disorders of blood cells, blood-forming organs, and immune mechanisms including anemias and coagulation defects.
Includes disorders of the endocrine glands, nutritional deficiencies, metabolic disorders, and diabetes mellitus.
Covers mental, behavioral, and neurodevelopmental disorders including dementia, substance use, schizophrenia, and mood disorders.
Includes diseases of the central and peripheral nervous system such as meningitis, Alzheimer's, Parkinson's, and epilepsy.
Covers disorders of the eye and surrounding structures including glaucoma, cataracts, and visual disturbances.
Includes diseases of the ear and mastoid process such as otitis media, hearing loss, and vestibular disorders.
Covers diseases of the heart and blood vessels including hypertension, ischemic heart disease, and cerebrovascular diseases.
Includes diseases of the respiratory system such as influenza, pneumonia, COPD, asthma, and respiratory failure.
Covers diseases of the digestive system including disorders of the oral cavity, esophagus, stomach, intestines, liver, and pancreas.
Includes diseases of the skin and subcutaneous tissue such as infections, dermatitis, and other inflammatory conditions.
Covers diseases of the musculoskeletal system and connective tissue including arthropathies, dorsopathies, and osteoporosis.
Includes diseases of the genitourinary system such as kidney disease, urinary disorders, and disorders of male/female genital organs.
Covers conditions related to pregnancy, childbirth, and the puerperium including complications of pregnancy and delivery.
Includes conditions originating in the perinatal period such as birth trauma, respiratory conditions, and infections in newborns.
Covers congenital malformations, deformations, and chromosomal abnormalities present at birth.
Includes symptoms, signs, and abnormal clinical findings not elsewhere classified, organized by body system.
Covers injuries, poisoning, and certain other consequences of external causes including fractures, burns, and toxic effects.
Includes external causes of morbidity such as accidents, intentional self-harm, assault, and complications of medical care.
Covers factors influencing health status and contact with health services including examinations, screenings, and follow-up care.
Codes for special purposes (U00-U85)