G93: Other disorders of brain
Codes under G93 (Other disorders of brain). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| G93.0 | Cerebral cysts | ✓ |
| G93.0 | Cerebral cysts | ✓ |
| G93.1 | Anoxic brain damage, not elsewhere classified | ✓ |
| G93.1 | Anoxic brain damage, not elsewhere classified | ✓ |
| G93.2 | Benign intracranial hypertension | ✓ |
| G93.2 | Benign intracranial hypertension | ✓ |
| G93.3 | Postviral and related fatigue syndromes | — |
| G93.3 | Postviral and related fatigue syndromes | — |
| G93.4 | Other and unspecified encephalopathy | — |
| G93.4 | Other and unspecified encephalopathy | — |
| G93.5 | Compression of brain | ✓ |
| G93.5 | Compression of brain | ✓ |
| G93.6 | Cerebral edema | ✓ |
| G93.6 | Cerebral edema | ✓ |
| G93.7 | Reye's syndrome | ✓ |
| G93.7 | Reye's syndrome | ✓ |
| G93.8 | Other specified disorders of brain | — |
| G93.8 | Other specified disorders of brain | — |
| G93.9 | Disorder of brain, unspecified | ✓ |
| G93.9 | Disorder of brain, unspecified | ✓ |
| G93.31 | Postviral fatigue syndrome | ✓ |
| G93.31 | Postviral fatigue syndrome | ✓ |
| G93.32 | Myalgic encephalomyelitis/chronic fatigue syndrome | ✓ |
| G93.32 | Myalgic encephalomyelitis/chronic fatigue syndrome | ✓ |
| G93.39 | Other post infection and related fatigue syndromes | ✓ |
| G93.39 | Other post infection and related fatigue syndromes | ✓ |
| G93.40 | Encephalopathy, unspecified | ✓ |
| G93.40 | Encephalopathy, unspecified | ✓ |
| G93.41 | Metabolic encephalopathy | ✓ |
| G93.41 | Metabolic encephalopathy | ✓ |
| G93.42 | Megalencephalic leukoencephalopathy with subcortical cysts | ✓ |
| G93.42 | Megalencephalic leukoencephalopathy with subcortical cysts | ✓ |
| G93.43 | Leukoencephalopathy with calcifications and cysts | ✓ |
| G93.43 | Leukoencephalopathy with calcifications and cysts | ✓ |
| G93.44 | Adult-onset leukodystrophy with axonal spheroids | ✓ |
| G93.44 | Adult-onset leukodystrophy with axonal spheroids | ✓ |
| G93.45 | Developmental and epileptic encephalopathy | ✓ |
| G93.45 | Developmental and epileptic encephalopathy | ✓ |
| G93.49 | Other encephalopathy | ✓ |
| G93.49 | Other encephalopathy | ✓ |
| G93.81 | Temporal sclerosis | ✓ |
| G93.81 | Temporal sclerosis | ✓ |
| G93.82 | Brain death | ✓ |
| G93.82 | Brain death | ✓ |
| G93.89 | Other specified disorders of brain | ✓ |
| G93.89 | Other specified disorders of brain | ✓ |
Frequently asked questions
What is ICD-10-CM code G93?
G93 is an ICD-10-CM category covering Other disorders of brain. It contains 46 more specific diagnosis codes, 40 of which are billable.
Is G93 a billable code?
No — G93 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example G93.0 — Cerebral cysts). 40 of the 46 codes under G93 are billable.
What codes fall under G93?
G93 includes G93.0, G93.0, G93.1, G93.1, G93.2, plus 41 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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