{"code":"M27.4","type":"code","title":"Other and unspecified cysts of jaw","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":["cysts of oral region (K09.-)","latent bone cyst of jaw (M27.0)","Stafne's cyst (M27.0)","hemifacial atrophy or hypertrophy (Q67.4)","unilateral condylar hyperplasia or hypoplasia (M27.8)"],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true},"sibling_codes":["M27.40","M27.49"],"inclusionTerms":[],"sibling_titles":{"code":"M27.49","title":"Other cysts of jaw","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other and unspecified cysts of jaw is a non-billable ICD-10-CM category code (M27.4). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): cysts of oral region (K09.-); latent bone cyst of jaw (M27.0); Stafne's cyst (M27.0); hemifacial atrophy or hypertrophy (Q67.4); unilateral condylar hyperplasia or hypoplasia (M27.8).","officialDefinition":"Other and unspecified cysts of jaw is a non-billable ICD-10-CM category code (M27.4). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): cysts of oral region (K09.-); latent bone cyst of jaw (M27.0); Stafne's cyst (M27.0); hemifacial atrophy or hypertrophy (Q67.4); unilateral condylar hyperplasia or hypoplasia (M27.8).","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":""}