{"code":"Y63.9","type":"code","title":"Failure in dosage during unspecified surgical and medical care","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["surgical and medical procedures as the cause of abnormal reaction of the patient, without mention of misadventure at the time of the procedure (Y83-Y84)"],"excludes2":["accidental overdose of drug or wrong drug given in error (T36-T50)","breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) (Y70-Y82)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["Y63","Y63.0","Y63.1","Y63.2","Y63.3","Y63.4","Y63.5","Y63.6","Y63.8"],"inclusionTerms":[],"sibling_titles":{"code":"Y63.8","title":"Failure in dosage during other surgical and medical care","isBillable":false},"useAdditionalCode":[],"clinicalDefinition":"Failure in dosage during unspecified surgical and medical care is a billable ICD-10-CM diagnosis code (Y63.9). Excludes1 (not coded here): surgical and medical procedures as the cause of abnormal reaction of the patient, without mention of misadventure at the time of the procedure (Y83-Y84). Excludes2 (not included here): accidental overdose of drug or wrong drug given in error (T36-T50); breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) (Y70-Y82).","officialDefinition":"Failure in dosage during unspecified surgical and medical care is a billable ICD-10-CM diagnosis code (Y63.9). Excludes1 (not coded here): surgical and medical procedures as the cause of abnormal reaction of the patient, without mention of misadventure at the time of the procedure (Y83-Y84). Excludes2 (not included here): accidental overdose of drug or wrong drug given in error (T36-T50); breakdown or malfunctioning of medical device (during procedure) (after implantation) (ongoing use) (Y70-Y82).","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":""}