{"code":"Y21.3XXS","type":"code","title":"Drowning and submersion after fall into swimming pool, undetermined intent, sequela","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"inclusionTerms":[],"useAdditionalCode":[],"clinicalDefinition":"Drowning and submersion after fall into swimming pool, undetermined intent, sequela is a billable ICD-10-CM diagnosis code (Y21.3S). 7th character: The appropriate 7th character is to be added to each code from category Y21.","officialDefinition":"Drowning and submersion after fall into swimming pool, undetermined intent, sequela is a billable ICD-10-CM diagnosis code (Y21.3S). 7th character: The appropriate 7th character is to be added to each code from category Y21.","seventhCharacterInstructions":["The appropriate 7th character is to be added to each code from category Y21"],"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":""}