G93.4 Other and unspecified encephalopathy

Non-billable header with 7 child codes.

Excludes2 (not included here)

• alcoholic encephalopathy (G31.2)
• encephalopathy in diseases classified elsewhere (G94)
• hypertensive encephalopathy (I67.4)
• toxic (metabolic) encephalopathy (G92.8)

Codes under G93.4

• G93.40 Encephalopathy, unspecified
• G93.41 Metabolic encephalopathy
• G93.42 Megalencephalic leukoencephalopathy with subcortical cysts
• G93.43 Leukoencephalopathy with calcifications and cysts
• G93.44 Adult-onset leukodystrophy with axonal spheroids
• G93.45 Developmental and epileptic encephalopathy
• G93.49 Other encephalopathy

Code annotations containing back-references to G93.4

Back-references to G93.4

• Code Also: F78.A1 SYNGAP1-related intellectual disability ("encephalopathy (G93.4-)")

Nearby codes

• G93.2 Benign intracranial hypertension
• G93.3 Postviral and related fatigue syndromes
• G93.31 Postviral fatigue syndrome
• G93.32 Myalgic encephalomyelitis/chronic fatigue syndrome
• G93.39 Other post infection and related fatigue syndromes
• G93.4 Other and unspecified encephalopathy (this code)
• G93.40 Encephalopathy, unspecified
• G93.41 Metabolic encephalopathy
• G93.42 Megalencephalic leukoencephalopathy with subcortical cysts
• G93.43 Leukoencephalopathy with calcifications and cysts
• G93.44 Adult-onset leukodystrophy with axonal spheroids