G93.45 Developmental and epileptic encephalopathy

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Developmental and epileptic encephalopathy is G93.45 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
G89-G99: Other disorders of the nervous system (G89-G99)
Category G93
24 codes (20 billable)
FY2026 Status
Introduced in FY2025

Also Known As

ICD-10-CM Alphabetic Index entries that lead to G93.45:

  • Encephalopathy (acute) › early infantile epileptic
  • Encephalopathy (acute) › developmental and epileptic
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.-)

Inclusion Terms

  • Early infantile epileptic encephalopathy

Official Coding Guidelines

Dominant/nondominant side (TOC entry)

a. Dominant/nondominant side ................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.a
Pain - Category G89 (TOC entry)

b. Pain - Category G89.............................................................................................................. 45

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.6.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

G93 Other disorders of brain

Related Codes in G93

G93 Other disorders of brain G93.0 Cerebral cysts G93.1 Anoxic brain damage, not elsewhere classified G93.2 Benign intracranial hypertension G93.3 Postviral and related fatigue syndromes G93.31 Postviral fatigue syndrome G93.32 Myalgic encephalomyelitis/chronic fatigue syndrome G93.39 Other post infection and related fatigue syndromes G93.4 Other and unspecified encephalopathy G93.40 Encephalopathy, unspecified G93.41 Metabolic encephalopathy G93.42 Megalencephalic leukoencephalopathy with subcortical cysts G93.43 Leukoencephalopathy with calcifications and cysts G93.44 Adult-onset leukodystrophy with axonal spheroids G93.49 Other encephalopathy G93.5 Compression of brain G93.6 Cerebral edema G93.7 Reye's syndrome G93.8 Other specified disorders of brain G93.81 Temporal sclerosis
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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