Other disorders of brain
Notes: Arachnoid cyst ; Porencephalic cyst, acquired ; Pseudotumor ; Chronic fatigue syndrome ; ME/CFS ; Myalgic encephalomyelitis ; Septic encephalopathy ; Encephalopathy NEC ; Arnold-Chiari type 1 compression of brain ; Compression of brain (stem) ; Herniation of brain (stem) ; Hippocampal sclerosis ; Mesial temporal sclerosis ; Postradiation encephalopathy ; code, if applicable, for post COVID-19 condition, unspecified (U09.9) ; code for adverse effect due to salicylates, if applicable (T39.0-, with sixth character 5) ; acquired periventricular cysts of newborn (P91.1) ; congenital cerebral cysts (Q04.6) ; cerebral anoxia due to anesthesia during labor and delivery (O74.3) ; cerebral anoxia due to anesthesia during the puerperium (O89.2) ; neonatal anoxia (P84) ; hypertensive encephalopathy (I67.4) ; obstructive hydrocephalus (G91.1) ; chronic fatigue syndrome NOS (R53.82) ; neurasthenia (F48.8) ; alcoholic encephalopathy (G31.2) ; encephalopathy in diseases classified elsewhere (G94) ; hypertensive encephalopathy (I67.4) ; traumatic compression of brain (S06.A-) ; cerebral edema due to birth injury (P11.0) ; traumatic cerebral edema (S06.1-) ; toxic (metabolic) encephalopathy (G92.8) ; poisoning due to salicylates, if applicable (T39.0-, with sixth character 1-4)