{"code":"D49.6","type":"code","title":"Neoplasm of unspecified behavior of brain","codeAlso":[],"includes":["'growth' NOS","neoplasm NOS","new growth NOS","tumor NOS"],"modern_v":"official26","codeFirst":[],"excludes1":["neoplasm of unspecified behavior of cerebral meninges (D49.7)","neoplasm of unspecified behavior of cranial nerves (D49.7)"],"excludes2":["neoplasms of uncertain behavior (D37-D44, D48)"],"isBillable":true,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":true,"billableFy2027":true},"sibling_codes":["D49","D49.0","D49.1","D49.2","D49.3","D49.4","D49.5","D49.511","D49.512","D49.519","D49.7","D49.8","D49.9"],"inclusionTerms":[],"sibling_titles":{"code":"D49.9","title":"Neoplasm of unspecified behavior of unspecified site","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Neoplasm of unspecified behavior of brain is a billable ICD-10-CM diagnosis code (D49.6). Includes: 'growth' NOS; neoplasm NOS; new growth NOS; tumor NOS. Excludes1 (not coded here): neoplasm of unspecified behavior of cerebral meninges (D49.7); neoplasm of unspecified behavior of cranial nerves (D49.7). Excludes2 (not included here): neoplasms of uncertain behavior (D37-D44, D48).","officialDefinition":"Neoplasm of unspecified behavior of brain is a billable ICD-10-CM diagnosis code (D49.6). Includes: 'growth' NOS; neoplasm NOS; new growth NOS; tumor NOS. Excludes1 (not coded here): neoplasm of unspecified behavior of cerebral meninges (D49.7); neoplasm of unspecified behavior of cranial nerves (D49.7). Excludes2 (not included here): neoplasms of uncertain behavior (D37-D44, D48).","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":{"neoplasms of uncertain behavior (D37-D44, D48)":"D49","'growth' NOS":"D49","neoplasm NOS":"D49","new growth NOS":"D49","tumor NOS":"D49"},"hcc":{"mapped":true,"model":"CMS-HCC V28","paymentYear":"2026","categories":[{"hcc":"23","label":"Prostate, Breast, and Other Cancers and Tumors","family":"","suppresses":[]}],"otherModels":[{"model":"CMS-HCC V22","hcc":"12"},{"model":"RxHCC V08","hcc":"22"}]}}