G93.89
Other specified disorders of brain
Billable code
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
This code · G93.89
Synonyms
Postradiation encephalopathy
Inherited from chapter 6Diseases of the nervous system
Excludes 2
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)
Official Guidelines for G93.89
FY 2026 ›Find G93.89 in the alphabetic index
25 index paths lead to this code
- Automatism
- Ependymopathy
- Gliosis
- Pneumocephalus
- Calcification › cerebral
- Calcification › choroid plexus
- Cicatrix › brain
- Congestion, congestive › brain
- Deformity › cerebral, acquired
- Depression › medullary
- Depression › respiratory center
- Disease, diseased › medullary center
- Dysfunction › cerebral
- Encephalopathy › postradiation
- Fistula › brain
- Fungus, fungous › cerebral
- Hardening › brain
- Hypertrophy, hypertrophic › brain
- Induration, indurated › brain
- Lesion › motor cortex NEC
- Pneumatocele › intracranial
- Siderosis › brain
- Softening › brain
- Stenosis, stenotic › brain
- Stricture › brain