{"code":"H21.323","type":"code","title":"Implantation cysts of iris, ciliary body or anterior chamber, bilateral","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":["miotic pupillary cyst (H21.27-)","sympathetic uveitis (H44.1-)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["H21","H21.0","H21.00","H21.01","H21.02","H21.03","H21.1","H21.1X","H21.1X1","H21.1X2","H21.1X3","H21.1X9","H21.2","H21.21","H21.211","H21.212","H21.213","H21.219","H21.22","H21.221","H21.222","H21.223","H21.229","H21.23","H21.231","H21.232","H21.233","H21.239","H21.24","H21.241","H21.242","H21.243","H21.249","H21.25","H21.251","H21.252","H21.253","H21.259","H21.26","H21.261","H21.262","H21.263","H21.269","H21.27","H21.271","H21.272","H21.273","H21.279","H21.29","H21.3","H21.30","H21.301","H21.302","H21.303","H21.309","H21.31","H21.311","H21.312","H21.313","H21.319","H21.32","H21.321","H21.322","H21.329","H21.33","H21.331","H21.332","H21.333","H21.339","H21.34","H21.341","H21.342","H21.343","H21.349","H21.35","H21.351","H21.352","H21.353","H21.359","H21.4","H21.40","H21.41","H21.42","H21.43","H21.5","H21.50","H21.501","H21.502","H21.503","H21.509","H21.51","H21.511","H21.512","H21.513","H21.519","H21.52","H21.521","H21.522","H21.523","H21.529"],"inclusionTerms":[],"sibling_titles":{"code":"H21.529","title":"Goniosynechiae, unspecified eye","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Implantation cysts of iris, ciliary body or anterior chamber, bilateral is a billable ICD-10-CM diagnosis code (H21.323). Excludes2 (not included here): miotic pupillary cyst (H21.27-); sympathetic uveitis (H44.1-).","officialDefinition":"Implantation cysts of iris, ciliary body or anterior chamber, bilateral is a billable ICD-10-CM diagnosis code (H21.323). 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":"","hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}