All ICD10 Codes

G93.89

Billable
ChapterG00–G99
Ranksubcategory
Official Description

Other specified disorders of brain

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 6: Diseases of the Nervous System (G00-G99).

Instructional Notes

Includes
  • Postradiation encephalopathy
General instructions are available for the parent sections:
View CH6 Notes

Clinical Hierarchy

CH6Diseases of the nervous system (G00-G99)
G89-G99Other disorders of the nervous system (G89-G99)
G93Other disorders of brain
G93.8Other specified disorders of brain
G93.89Other specified disorders of brain

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to G93.89:

chapterCH6
Diseases of the nervous system (G00-G99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to G93.89. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths
Automatism1 unique routes
Direct index entry→G93.89
Calcification2 unique routes
cerebral (cortex)→G93.89
choroid plexus→G93.89
Cicatrix (adherent) (contracted) (painful) (vicious)1 unique routes
brain→G93.89
Congestion, congestive1 unique routes
brain→G93.89
Deformity2 unique routes
brain (congenital)
acquired→G93.89
cerebral, acquired→G93.89
Depression (acute) (mental)2 unique routes
medullary→G93.89
respiratory center→G93.89
Disease, diseased2 unique routes
brain
specified NEC→G93.89
medullary center (idiopathic) (respiratory)→G93.89
Dysfunction1 unique routes
cerebral→G93.89
Encephalopathy (acute)1 unique routes
postradiation→G93.89
Ependymopathy1 unique routes
Direct index entry→G93.89
Failure, failed1 unique routes
respiration, respiratory
center→G93.89
Fistula (cutaneous)1 unique routes
brain→G93.89
Fungus, fungous1 unique routes
cerebral→G93.89
Gliosis (cerebral)1 unique routes
Direct index entry→G93.89
Hardening1 unique routes
brain→G93.89
Hypertrophy, hypertrophic1 unique routes
brain→G93.89
Induration, indurated1 unique routes
brain→G93.89
Lesion (s) (nontraumatic)1 unique routes
motor cortex NEC→G93.89
Paralysis, paralytic (complete) (incomplete)1 unique routes
respiratory (muscle) (system) (tract)
center NEC→G93.89
Pneumatocele (lung)1 unique routes
intracranial→G93.89
Pneumocephalus1 unique routes
Direct index entry→G93.89

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 070
Other Cerebrovascular Disorders with MCC
DRG 071
Other Cerebrovascular Disorders with CC
DRG 072
Other Cerebrovascular Disorders without CC/MCC

Cross Reference

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