ICD10BillableValid for clinical use
ICD-10 Code G93.49: Other encephalopathy
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).
When is it used?
- May be used when a clinician documents other encephalopathy in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
6Diseases of the nervous system (G00-G99)
block
G89-G99Other disorders of the nervous system
category
G93Other disorders of brain
category
G93.4Other and unspecified encephalopathy
currentG93.4
Official coding notes
Inclusion terms
- Encephalopathy NEC
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
NeurologistGeneral Physician
Related codes
G93.40Encephalopathy, unspecifiedcodeG93.41Metabolic encephalopathycodeG93.42Megalencephalic leukoencephalopathy with subcortical cystscodeG93.43Leukoencephalopathy with calcifications and cystscodeG93.44Adult-onset leukodystrophy with axonal spheroidscodeG93.45Developmental and epileptic encephalopathycode
Sibling codes
G93.40Encephalopathy, unspecifiedbillableG93.41Metabolic encephalopathybillableG93.42Megalencephalic leukoencephalopathy with subcortical cystsbillableG93.43Leukoencephalopathy with calcifications and cystsbillableG93.44Adult-onset leukodystrophy with axonal spheroidsbillableG93.45Developmental and epileptic encephalopathybillable
Coverage-related procedures and services
HCPCS J1554high
INJECTION, IMMUNE GLOBULIN (ASCENIV), 500 MG
Source: CMS coverage guidance
HCPCS J1556high
INJECTION, IMMUNE GLOBULIN (BIVIGAM), 500 MG
Source: CMS coverage guidance
HCPCS J1576high
INJECTION, IMMUNE GLOBULIN (PANZYGA), INTRAVENOUS, NON-LYOPHILIZED (E.G., LIQUID), 500 MG
Source: CMS coverage guidance
HCPCS J1459high
INJECTION, IMMUNE GLOBULIN (PRIVIGEN), INTRAVENOUS, NON-LYOPHILIZED (E.G., LIQUID), 500 MG
Source: CMS coverage guidance
HCPCS J1569high
INJECTION, IMMUNE GLOBULIN, (GAMMAGARD LIQUID), NON-LYOPHILIZED, (E.G., LIQUID), 500 MG
Source: CMS coverage guidance
HCPCS J1557high
INJECTION, IMMUNE GLOBULIN, (GAMMAPLEX), INTRAVENOUS, NON-LYOPHILIZED (E.G., LIQUID), 500 MG
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Other encephalopathy
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.