{"code":"R20.1","type":"code","title":"Hypoesthesia of skin","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["dissociative anesthesia and sensory loss (F44.6)","psychogenic disturbances (F45.8)"],"excludes2":["symptoms relating to breast (N64.4-N64.5)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["R20","R20.0","R20.2","R20.3","R20.8","R20.9"],"inclusionTerms":[],"sibling_titles":{"code":"R20.9","title":"Unspecified disturbances of skin sensation","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Hypoesthesia of skin is a billable ICD-10-CM diagnosis code (R20.1). Excludes1 (not coded here): dissociative anesthesia and sensory loss (F44.6); psychogenic disturbances (F45.8). Excludes2 (not included here): symptoms relating to breast (N64.4-N64.5).","officialDefinition":"Hypoesthesia of skin is a billable ICD-10-CM diagnosis code (R20.1). Excludes1 (not coded here): dissociative anesthesia and sensory loss (F44.6); psychogenic disturbances (F45.8). Excludes2 (not included here): symptoms relating to breast (N64.4-N64.5).","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":"","noteProvenance":{"dissociative anesthesia and sensory loss (F44.6)":"R20","psychogenic disturbances (F45.8)":"R20","symptoms relating to breast (N64.4-N64.5)":"R20"},"hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}