CurrentApr 1, 2026 – Sep 30, 2026
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Disease index · I

Disease index · Modifiers and references

I.Q.IBDU(colonic inflammatory bowel dissease unclassified)ICANS(immune effector cell-associated neurotoxicity syndrome)IIAC(idiopathic infantile arterial calcification)IRDS(type I)IST(inappropriate sinus tachycardia, so stated)Ichthyoparasitism due to Vandellia cirrhosaIchthyosis(congenital)IchthyotoxismIcteroanemia, hemolytic(acquired)IcterusIctus solaris, solisId reaction(due to bacteria)IdeationIdentity disorder(child)IdioglossiaIdiopathicIdiot, idiocy(congenital)IgE asthmaIleitis(chronic) (noninfectious)IleocolitisIleostomyIleotyphusIleumIleus(bowel) (colon) (inhibitory) (intestine)IliacIliotibial band syndromeIlliteracyIllnessImbalanceImbecile, imbecility(I.Q.35-49)Imbedding, intrauterine deviceImbibition, cholesterol(gallbladder)Imbrication, teeth,, fully eruptedImerslund(-Gräsbeck) syndromeImmatureImmaturity(less than 37 completed weeks)ImmersionImmobile, immobilityImmune reconstitution(inflammatory) syndrome [IRIS]ImmunizationImmunocompromised NOSImmunocytomaImmunodeficiencyImmunodeficient NOSImmunosuppressed NOSImmunotherapy(encounter for)Impaction, impactedImpaired, impairment(function)Impediment, speechImpendingImperception auditory(acquired)ImperfectImperfectly descended testisImperforate(congenital)Impervious(congenital)Impetiginization of dermatosesImpetigo(any organism) (any site) (circinate) (contagiosa) (simplex) (vulgaris)Impingement(on teeth)Implant, endometrialImplantationImpotence(sexual)Impression, basilarImprisonment, anxiety concerningImproper care(child) (newborn)Improperly tied umbilical cord(causing hemorrhage)Impulsiveness(impulsive)Inability toInaccessible, inaccessibilityInactiveInadequate, inadequacyInanitionInappropriateInattention at or after birthIncarceration, incarceratedIncised woundIncision, incisionalInclusionIncompatibilityIncompetency, incompetent, incompetenceIncompleteInconclusiveIncontinenceIncontinentia pigmentiIncoordinate, incoordinationIncrease, increasedIncreta placentaIncrustation, cornea, foreign body(lead)(zinc)IncyclophoriaIncyclotropiaIndeterminate sexIndia rubber skinIndigestion(acid) (bilious) (functional)IndirectInduratio penis plasticaInduration, induratedInebriety(without dependence)Inefficiency, kidneyInelasticity, skinInequality, leg(length) (acquired)InertiaInfancy, infantile, infantilismInfant(s)InfantileInfantilismInfarct, infarctionInfectingInfection, infected, infective(opportunistic)Infective, infectiousInfertilityInfestationInfiltrate, infiltrationInfirmityInflammation, inflamed, inflammatory(with exudation)Inflation, lung, imperfect(newborn)Influenza(bronchial) (epidemic) (respiratory (upper)) (unidentified influenza virus)Influenza-like diseaseInfluenzalInfraction, Freiberg's(metatarsal head)Infraeruption of tooth(teeth)Infusion complication, misadventure, or reactionIngestionIngrowingInguinalInhalant-inducedInhalationInhibition, orgasmInhibitor, systemic lupus erythematosus(presence of)Iniencephalus, iniencephalyInjection, traumatic jet(air) (industrial) (water) (paint or dye)InjuryInoculationInsanity, insaneInsectInsecurityInsensitivityInsertionInsolation(sunstroke)Insomnia(organic)InspirationInspissated bile syndrome(newborn)InstabilityInstitutional syndrome(childhood)Institutionalization, affecting childInsufficiency, insufficientInsufflation, fallopianInsularInsulinomaInsulomaInterferenceIntermenstrualIntermittentInternalInterrogationInterruptionInterstitialIntertrigoIntervertebral discIntestine, intestinalIntoleranceIntoxicated NEC(without dependence)IntoxicationIntraabdominal testis, testesIntracranialIntrahepatic gallbladderIntraligamentousIntrathoracicIntrauterine contraceptive deviceIntraventricularIntrinsic deformityIntubation, difficult or failedIntumescence, lens(eye) (cataract)Intussusception(bowel) (colon) (enteric) (ileocecal) (ileocolic) (intestine) ( rectum)Invagination(bowel, colon, intestine or rectum)InversionInvestigationInvoluntary movement, abnormalInvolution, involutionalIrideremiaIridis rubeosisIridochoroiditis(panuveitis)IridocyclitisIridocyclochoroiditis(panuveitis)IridodialysisIridodonesisIridoplegia(complete) (partial) (reflex)IridoschisisIrisIritisIronIron-miner's lungIrradiated enamel(tooth, teeth)Irradiation effects, adverseIrreducible, irreducibilityIrregular, irregularityIrritable, irritabilityIrritationIschemia, ischemicIschial spineIschialgia