G94 OTHER DISORDERS OF BRAIN IN DISEASES CLASSIFIED ELSEWHERE

Code Information

  • Diagnosis Code: G94
  • Short Description: Other disorders of brain in diseases classified elsewhere
  • Long Description: Other disorders of brain in diseases classified elsewhere
  • Code Version: 2025 ICD-10-CM

The code G94 is VALID for claim submission

Code Classification

This code is valid for manifestation diagnoses

Synonyms

  • Autoimmune thyroiditis
  • Cortical blindness
  • Developmental and epileptic encephalopathy
  • Early-onset epileptic encephalopathy, cortical blindness, intellectual disability, facial dysmorphism syndrome
  • Encephalopathy caused by monkeypox virus
  • Epileptic encephalopathy
  • FASTKD2-related infantile mitochondrial encephalomyopathy
  • GRIN2A developmental and epileptic encephalopathy
  • Human immunodeficiency virus encephalopathy
  • Hydatid cyst of brain
  • Hydatid cyst of cerebrum
  • Infantile epileptic dyskinetic encephalopathy
  • Infection causing cyst of central nervous system
  • Infection causing cyst of central nervous system
  • Infection of central nervous system caused by Echinococcus
  • Infection of central nervous system caused by Echinococcus
  • Intracranial hypotension
  • Intracranial hypotension due to lumbar puncture
  • Intracranial infectious cyst
  • Intracranial infectious cyst
  • Larval echinococcosis
  • Larval echinococcosis
  • Neurological disorder due to and following lumbar puncture
  • RNF13-related severe early-onset epileptic encephalopathy
  • Steroid-responsive encephalopathy associated with autoimmune thyroiditis
  • SYNGAP1-related developmental and epileptic encephalopathy

References to Index of Diseases and Injuries

The code G94 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Type 1 Excludes Notes:
    • encephalopathy in congenital syphilis (@A50.49*)
    • encephalopathy in influenza (@J09.X9*, @J10.81*, @J11.81*)
    • encephalopathy in syphilis (@A52.19*)
    • hydrocephalus in diseases classified elsewhere (@G91.4*)
  • Code First:
    • underlying disease

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
G94 Right Arrow 331.7 Cereb degen in oth dis
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

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ICD-10 Code ICD-10 Description
This page was last updated on: 10/1/2025
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