ICD-10-CM
- IBDU (colonic inflammatory bowel dissease unclassified)
- Ichthyoparasitism due to Vandellia cirrhosa
- Ictus solaris, solis
- Idioglossia
- Id reaction (due to bacteria)
- IgE asthma
- Iliotibial band syndrome
- Imbecile, imbecility (I.Q.35-49)
- Imbedding, intrauterine device
- Imbibition, cholesterol (gallbladder)
- Imbrication, teeth,, fully erupted
- Imerslund (-Gräsbeck) syndrome
- Immune reconstitution (inflammatory) syndrome [IRIS]
- Immunocompromised NOS
- Immunocytoma
- Immunodeficient NOS
- Immunosuppressed NOS
- Impetiginization of dermatoses
- Implant, endometrial
- Impression, basilar
- Imprisonment, anxiety concerning
- Improperly tied umbilical cord (causing hemorrhage)
- Impulsiveness (impulsive)
- Incontinentia pigmenti
- Increta placenta
- Incyclophoria
- Indeterminate sex
- India rubber skin
- Induratio penis plastica
- Inefficiency, kidney
- Inelasticity, skin
- Infraeruption of tooth (teeth)
- Inhibitor, systemic lupus erythematosus (presence of)
- Iniencephalus, iniencephaly
- Injection, traumatic jet (air) (industrial) (water) (paint or dye)
- Insolation (sunstroke)
- Inspissated bile syndrome (newborn)
- Institutional syndrome (childhood)
- Insufflation, fallopian
- Intrahepatic gallbladder
- Intubation, difficult or failed
- Invagination (bowel, colon, intestine or rectum)
- Involuntary movement, abnormal
- Irideremia
- Iridodialysis
- Iridodonesis
- Iridoplegia (complete) (partial) (reflex)
- Iridoschisis
- Iron-miner's lung
- Irradiated enamel (tooth, teeth)
- Irradiation effects, adverse
- Ischiopagus
- Ischuria
- Islet cell tumor, pancreas
- Isoleucinosis
- Isomerism atrial appendages (with asplenia or polysplenia)
- Isosporiasis, isosporosis
- Isovaleric acidemia
- IST (inappropriate sinus tachycardia, so stated)
- Ivemark's syndrome (asplenia with congenital heart disease)
- Ivory bones
- Ixodiasis NEC