G93
Other disorders of brain
Non-billable headerNot valid on its own. Use one of the more specific codes under it.
G93 is a non-billable ICD-10-CM code category for other disorders of brain. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are G93.0 Cerebral cysts; G93.1 Anoxic brain damage, not elsewhere classified; G93.2 Benign intracranial hypertension; G93.3 Postviral and related fatigue syndromes and 6 more. Its coding notes include 8 Excludes2 entries.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
Inherited from Chapter 6 Diseases of the nervous system
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
More specific codes under G93 10
- G93.0Cerebral cystsBillable
- G93.1Anoxic brain damage, not elsewhere classifiedBillable
- G93.2Benign intracranial hypertensionBillable
- G93.3Postviral and related fatigue syndromesHeader
- G93.4Other and unspecified encephalopathyHeader
- G93.5Compression of brainBillable
- G93.6Cerebral edemaBillable
- G93.7Reye's syndromeBillable
- G93.8Other specified disorders of brainHeader
- G93.9Disorder of brain, unspecifiedBillable