{"code":"H20.00","type":"code","title":"Unspecified acute and subacute iridocyclitis","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39)","iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89)","iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32)","iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51)","iridocyclitis, iritis, uveitis (due to) (in) herpes zoster (B02.32)","iridocyclitis, iritis, uveitis (due to) (in) late congenital syphilis (A50.39)","iridocyclitis, iritis, uveitis (due to) (in) late syphilis (A52.71)","iridocyclitis, iritis, uveitis (due to) (in) sarcoidosis (D86.83)","iridocyclitis, iritis, uveitis (due to) (in) syphilis (A51.43)","iridocyclitis, iritis, uveitis (due to) (in) toxoplasmosis (B58.09)","iridocyclitis, iritis, uveitis (due to) (in) tuberculosis (A18.54)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Unspecified acute and subacute iridocyclitis is a billable ICD-10-CM diagnosis code (H20.00). Excludes1 (not coded here): iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39); iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89); iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32); iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51); iridocyclitis, iritis, uveitis (due to) (in) herpes zoster (B02.","officialDefinition":"Unspecified acute and subacute iridocyclitis is a billable ICD-10-CM diagnosis code (H20.00). Excludes1 (not coded here): iridocyclitis, iritis, uveitis (due to) (in) diabetes mellitus (E08-E13 with .39); iridocyclitis, iritis, uveitis (due to) (in) diphtheria (A36.89); iridocyclitis, iritis, uveitis (due to) (in) gonococcal (A54.32); iridocyclitis, iritis, uveitis (due to) (in) herpes (simplex) (B00.51); iridocyclitis, iritis, uveitis (due to) (in) herpes zoster (B02.32); iridocyclitis, iritis, uveitis (due to) (in) late congenital syphilis (A50.39); iridocyclitis, iritis, uveitis (due to) (in) late syphilis (A52.71); iridocyclitis, iritis, uveitis (due to) (in) sarcoidosis (D86.83); iridocyclitis, iritis, uveitis (due to) (in) syphilis (A51.43); iridocyclitis, iritis, uveitis (due to) (in) toxoplasmosis (B58.09); iridocyclitis, iritis, uveitis (due to) (in) tuberculosis (A18.54).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}