{"code":"G93","type":"category","title":"Other disorders of brain","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"excludes1":[],"excludes2":[],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["G93.0","G93.1","G93.2","G93.3","G93.4","G93.5","G93.6","G93.7","G93.8","G93.9"],"inclusionTerms":[],"sibling_titles":{"code":"G93.9","title":"Disorder of brain, unspecified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other disorders of brain is a non-billable ICD-10-CM category code (G93). A more specific billable subcode must be selected for claims submission.","officialDefinition":"Other disorders of brain is a non-billable ICD-10-CM category code (G93). A more specific billable subcode must be selected for claims submission.","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":[{"code":"G93.0","title":"Cerebral cysts","description":"Cerebral cysts is a billable ICD-10-CM diagnosis code (G93.0). Inclusion terms: Arachnoid cyst; Porencephalic cyst, acquired. Excludes1 (not coded here): acquired periventricular cysts of newborn (P91.1); congenital cerebral cysts (Q04.6).","isBillable":true,"slug":"g93.0-cerebral-cysts"},{"code":"G93.1","title":"Anoxic brain damage, not elsewhere classified","description":"Anoxic brain damage, not elsewhere classified is a billable ICD-10-CM diagnosis code (G93.1). Excludes1 (not coded here): cerebral anoxia due to anesthesia during labor and delivery (O74.3); cerebral anoxia due to anesthesia during the puerperium (O89.2); neonatal anoxia (P84).","isBillable":true,"slug":"g93.1-anoxic-brain-damage-not-elsewhere-classified"},{"code":"G93.2","title":"Benign intracranial hypertension","description":"Benign intracranial hypertension is a billable ICD-10-CM diagnosis code (G93.2). Inclusion terms: Pseudotumor. Excludes1 (not coded here): hypertensive encephalopathy (I67.4); obstructive hydrocephalus (G91.1).","isBillable":true,"slug":"g93.2-benign-intracranial-hypertension"},{"code":"G93.3","title":"Postviral and related fatigue syndromes","description":"Postviral and related fatigue syndromes is a non-billable ICD-10-CM category code (G93.3). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): chronic fatigue NOS (R53.82); neurasthenia (F48.8). Use additional code: code, if applicable, for post COVID-19 condition, unspecified (U09.9).","isBillable":false,"slug":"g93.3-postviral-and-related-fatigue-syndromes"},{"code":"G93.31","title":"Postviral fatigue syndrome","description":"Postviral fatigue syndrome is a billable ICD-10-CM diagnosis code (G93.31). Excludes1 (not coded here): chronic fatigue NOS (R53.82); neurasthenia (F48.8). Use additional code: code, if applicable, for post COVID-19 condition, unspecified (U09.9).","isBillable":true,"slug":"g93.31-postviral-fatigue-syndrome"},{"code":"G93.32","title":"Myalgic encephalomyelitis/chronic fatigue syndrome","description":"Myalgic encephalomyelitis/chronic fatigue syndrome is a billable ICD-10-CM diagnosis code (G93.32). Inclusion terms: Chronic fatigue syndrome; ME/CFS; Myalgic encephalomyelitis. Excludes1 (not coded here): chronic fatigue NOS (R53.82); neurasthenia (F48.8). Use additional code: code, if applicable, for post COVID-19 condition, unspecified (U09.9).","isBillable":true,"slug":"g93.32-myalgic-encephalomyelitischronic-fatigue-syndrome"},{"code":"G93.39","title":"Other post infection and related fatigue syndromes","description":"Other post infection and related fatigue syndromes is a billable ICD-10-CM diagnosis code (G93.39). Excludes1 (not coded here): chronic fatigue NOS (R53.82); neurasthenia (F48.8). Use additional code: code, if applicable, for post COVID-19 condition, unspecified (U09.9).","isBillable":true,"slug":"g93.39-other-post-infection-and-related-fatigue-syndromes"},{"code":"G93.4","title":"Other and unspecified encephalopathy","description":"Other and unspecified encephalopathy is a non-billable ICD-10-CM category code (G93.4). A more specific billable subcode must be selected for claims submission. Excludes2 (not included here): alcoholic encephalopathy (G31.2); encephalopathy in diseases classified elsewhere (G94); hypertensive encephalopathy (I67.4); toxic (metabolic) encephalopathy (G92.8).","isBillable":false,"slug":"g93.4-other-and-unspecified-encephalopathy"},{"code":"G93.40","title":"Encephalopathy, unspecified","description":"Encephalopathy, unspecified is a billable ICD-10-CM diagnosis code (G93.40). Excludes2 (not included here): alcoholic encephalopathy (G31.2); encephalopathy in diseases classified elsewhere (G94); hypertensive encephalopathy (I67.4); toxic (metabolic) encephalopathy (G92.8).","isBillable":true,"slug":"g93.40-encephalopathy-unspecified"},{"code":"G93.41","title":"Metabolic encephalopathy","description":"Metabolic encephalopathy is a billable ICD-10-CM diagnosis code (G93.41). Inclusion terms: Septic encephalopathy. Excludes2 (not included here): alcoholic encephalopathy (G31.2); encephalopathy in diseases classified elsewhere (G94); hypertensive encephalopathy (I67.4); toxic (metabolic) encephalopathy (G92.8).","isBillable":true,"slug":"g93.41-metabolic-encephalopathy"},{"code":"G93.42","title":"Megalencephalic leukoencephalopathy with subcortical cysts","description":"Megalencephalic leukoencephalopathy with subcortical cysts is a billable ICD-10-CM diagnosis code (G93.42). Excludes2 (not included here): alcoholic encephalopathy (G31.2); encephalopathy in diseases classified elsewhere (G94); hypertensive encephalopathy (I67.4); toxic (metabolic) encephalopathy (G92.8).","isBillable":true,"slug":"g93.42-megalencephalic-leukoencephalopathy-with-subcortical-cysts"},{"code":"G93.43","title":"Leukoencephalopathy with calcifications and cysts","description":"Leukoencephalopathy with calcifications and cysts is a billable ICD-10-CM diagnosis code (G93.43). Excludes2 (not included here): alcoholic encephalopathy (G31.2); encephalopathy in diseases classified elsewhere (G94); hypertensive encephalopathy (I67.4); toxic (metabolic) encephalopathy (G92.8).","isBillable":true,"slug":"g93.43-leukoencephalopathy-with-calcifications-and-cysts"},{"code":"G93.44","title":"Adult-onset leukodystrophy with axonal spheroids","description":"Adult-onset leukodystrophy with axonal spheroids is a billable ICD-10-CM diagnosis code (G93.44). Inclusion terms: Adult-onset leukoencephalopathy with axonal spheroids and pigmented glia. Excludes2 (not included here): alcoholic encephalopathy (G31.2); encephalopathy in diseases classified elsewhere (G94); hypertensive encephalopathy (I67.4); toxic (metabolic) encephalopathy (G92.8).","isBillable":true,"slug":"g93.44-adult-onset-leukodystrophy-with-axonal-spheroids"},{"code":"G93.45","title":"Developmental and epileptic encephalopathy","description":"Developmental and epileptic encephalopathy is a billable ICD-10-CM diagnosis code (G93.45). Inclusion terms: Early infantile epileptic encephalopathy. Excludes2 (not included here): alcoholic encephalopathy (G31.2); encephalopathy in diseases classified elsewhere (G94); hypertensive encephalopathy (I67.4); toxic (metabolic) encephalopathy (G92.8). Code also: , if applicable, associated disorders such as:; developmental disorders of scholastic skills (F81.-); developmental disorder of speech and language (F80.-); epilepsy, by specific type (G40.-); intellectual disabilities (F70-F79); other neurodevelopmental disorder (F88); pervasive developmental disorders (F84.-).","isBillable":true,"slug":"g93.45-developmental-and-epileptic-encephalopathy"},{"code":"G93.49","title":"Other encephalopathy","description":"Other encephalopathy is a billable ICD-10-CM diagnosis code (G93.49). Inclusion terms: Encephalopathy NEC. Excludes2 (not included here): alcoholic encephalopathy (G31.2); encephalopathy in diseases classified elsewhere (G94); hypertensive encephalopathy (I67.4); toxic (metabolic) encephalopathy (G92.8).","isBillable":true,"slug":"g93.49-other-encephalopathy"},{"code":"G93.5","title":"Compression of brain","description":"Compression of brain is a billable ICD-10-CM diagnosis code (G93.5). Inclusion terms: Arnold-Chiari type 1 compression of brain; Compression of brain (stem); Herniation of brain (stem). Excludes1 (not coded here): traumatic compression of brain (S06.A-).","isBillable":true,"slug":"g93.5-compression-of-brain"},{"code":"G93.6","title":"Cerebral edema","description":"Cerebral edema is a billable ICD-10-CM diagnosis code (G93.6). Excludes1 (not coded here): cerebral edema due to birth injury (P11.0); traumatic cerebral edema (S06.1-).","isBillable":true,"slug":"g93.6-cerebral-edema"},{"code":"G93.7","title":"Reye's syndrome","description":"Reye's syndrome is a billable ICD-10-CM diagnosis code (G93.7). Code first: poisoning due to salicylates, if applicable (T39.0-, with sixth character 1-4). Use additional code: code for adverse effect due to salicylates, if applicable (T39.0-, with sixth character 5).","isBillable":true,"slug":"g93.7-reyes-syndrome"},{"code":"G93.8","title":"Other specified disorders of brain","description":"Other specified disorders of brain is a non-billable ICD-10-CM category code (G93.8). A more specific billable subcode must be selected for claims submission.","isBillable":false,"slug":"g93.8-other-specified-disorders-of-brain"},{"code":"G93.81","title":"Temporal sclerosis","description":"Temporal sclerosis is a billable ICD-10-CM diagnosis code (G93.81). Inclusion terms: Hippocampal sclerosis; Mesial temporal sclerosis.","isBillable":true,"slug":"g93.81-temporal-sclerosis"},{"code":"G93.82","title":"Brain death","description":"Brain death is a billable ICD-10-CM diagnosis code (G93.82).","isBillable":true,"slug":"g93.82-brain-death"},{"code":"G93.89","title":"Other specified disorders of brain","description":"Other specified disorders of brain is a billable ICD-10-CM diagnosis code (G93.89). Inclusion terms: Postradiation encephalopathy.","isBillable":true,"slug":"g93.89-other-specified-disorders-of-brain"},{"code":"G93.9","title":"Disorder of brain, unspecified","description":"Disorder of brain, unspecified is a billable ICD-10-CM diagnosis code (G93.9).","isBillable":true,"slug":"g93.9-disorder-of-brain-unspecified"}],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":"","hcc":{"mapped":false,"model":"CMS-HCC V28","paymentYear":"2026","categories":[],"otherModels":[]}}