Browse ICD-10-CM Codes
All 98,186 FY2026 ICD-10-CM diagnosis codes. Click any chapter to explore codes, or search directly.
Search all codes by code number or condition name
Search ICDwise →A00–B99: Certain Infectious and Parasitic Diseases
Cholera, tuberculosis, HIV, hepatitis
C00–D49: Neoplasms
Malignant and benign tumors, cancers
D50–D89: Blood & Blood-Forming Organs
Anemias, coagulation defects
E00–E89: Endocrine, Nutritional & Metabolic
Diabetes, obesity, thyroid disorders
F01–F99: Mental & Behavioral Disorders
Depression, anxiety, substance use
G00–G99: Nervous System
Parkinson's, epilepsy, neuropathy
H00–H59: Eye & Adnexa
Cataracts, glaucoma, retinal disorders
H60–H95: Ear & Mastoid Process
Otitis media, hearing loss
I00–I99: Circulatory System
Hypertension, heart failure, stroke
J00–J99: Respiratory System
Pneumonia, asthma, COPD
K00–K95: Digestive System
GERD, IBS, liver disease
L00–L99: Skin & Subcutaneous Tissue
Dermatitis, psoriasis, wounds
M00–M99: Musculoskeletal & Connective Tissue
Arthritis, osteoporosis, back pain
N00–N99: Genitourinary System
UTI, kidney disease, infertility
O00–O9A: Pregnancy, Childbirth & Puerperium
Prenatal and postnatal conditions
P00–P96: Perinatal Conditions
Newborn and birth-related conditions
Q00–Q99: Congenital Malformations
Down syndrome, congenital heart defects
R00–R99: Symptoms & Abnormal Findings
Chest pain, fever, abnormal lab results
S00–T88: Injury, Poisoning & External Causes
Fractures, burns, poisoning
U00–U85: Codes for Special Purposes
COVID-19 and other special codes
V00–Y99: External Causes of Morbidity
Accidents, falls, adverse effects
Z00–Z99: Factors Influencing Health Status
Preventive care, screenings, follow-up