G93 Other disorders of brain

Category / Non-billable header 23 subcodes

Block: Other disorders of the nervous system (G89-G99)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
G93..0 Cerebral cysts Yes
G93..1 Anoxic brain damage, not elsewhere classified Yes
G93..2 Benign intracranial hypertension Yes
G93..3 Postviral and related fatigue syndromes No
G93..31 Postviral fatigue syndrome Yes
G93..32 Myalgic encephalomyelitis/chronic fatigue syndrome Yes
G93..39 Other post infection and related fatigue syndromes Yes
G93..4 Other and unspecified encephalopathy No
G93..40 Encephalopathy, unspecified Yes
G93..41 Metabolic encephalopathy Yes
G93..42 Megalencephalic leukoencephalopathy with subcortical cysts Yes
G93..43 Leukoencephalopathy with calcifications and cysts Yes
G93..44 Adult-onset leukodystrophy with axonal spheroids Yes
G93..45 Developmental and epileptic encephalopathy Yes
G93..49 Other encephalopathy Yes
G93..5 Compression of brain Yes
G93..6 Cerebral edema Yes
G93..7 Reye's syndrome Yes
G93..8 Other specified disorders of brain No
G93..81 Temporal sclerosis Yes
G93..82 Brain death Yes
G93..89 Other specified disorders of brain Yes
G93..9 Disorder of brain, unspecified Yes

Last reviewed: September 2026