{"code":"R49.9","type":"code","title":"Unspecified voice and resonance disorder","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["psychogenic voice and resonance disorders (F44.4)"],"excludes2":[],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["R49","R49.0","R49.1","R49.2","R49.21","R49.22","R49.8"],"inclusionTerms":["Change in voice NOS","Resonance disorder NOS"],"sibling_titles":{"code":"R49.8","title":"Other voice and resonance disorders","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Unspecified voice and resonance disorder is a billable ICD-10-CM diagnosis code (R49.9). Inclusion terms: Change in voice NOS; Resonance disorder NOS. Excludes1 (not coded here): psychogenic voice and resonance disorders (F44.4).","officialDefinition":"Unspecified voice and resonance disorder is a billable ICD-10-CM diagnosis code (R49.9). Inclusion terms: Change in voice NOS; Resonance disorder NOS. Excludes1 (not coded here): psychogenic voice and resonance disorders (F44.4).","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":""}