{"code":"H21.31","type":"code","title":"Exudative cysts of iris or anterior chamber","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["miotic pupillary cyst (H21.27-)","sympathetic uveitis (H44.1-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Exudative cysts of iris or anterior chamber is a non-billable ICD-10-CM category code (H21.31). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): miotic pupillary cyst (H21.27-); sympathetic uveitis (H44.1-).","officialDefinition":"Exudative cysts of iris or anterior chamber is a non-billable ICD-10-CM category code (H21.31). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): miotic pupillary cyst (H21.27-); sympathetic uveitis (H44.1-).","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":""}