ICD10BillableValid for clinical use
ICD-10 Code G93.45: Developmental and epileptic 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 developmental and epileptic 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
- Early infantile epileptic encephalopathy
Code also
- , if applicable, associated disorders such as:
- developmental disorders of scholastic skills (F81.-)
- developmental disorder of speech and language (F80.-)
- epilepsy, by specific type (G40.-)
- intellectual disabilities (F70-F79)
- other neurodevelopmental disorder (F88)
- pervasive developmental disorders (F84.-)
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 PhysicianPsychiatristClinical Psychologist
Related codes
Sibling codes
G93.40Encephalopathy, unspecifiedbillableG93.41Metabolic encephalopathybillableG93.42Megalencephalic leukoencephalopathy with subcortical cystsbillableG93.43Leukoencephalopathy with calcifications and cystsbillableG93.44Adult-onset leukodystrophy with axonal spheroidsbillableG93.49Other encephalopathybillable
Coverage-related procedures and services
CPT 70460high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITH CONTRAST MATERIAL(S)
Source: CMS coverage guidance
CPT 70450high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 70470high
COMPUTED TOMOGRAPHY, HEAD OR BRAIN; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance
CPT 72126high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITH CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 72125high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITHOUT CONTRAST MATERIAL
Source: CMS coverage guidance
CPT 72127high
COMPUTED TOMOGRAPHY, CERVICAL SPINE; WITHOUT CONTRAST MATERIAL, FOLLOWED BY CONTRAST MATERIAL(S) AND FURTHER SECTIONS
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Developmental and epileptic 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.