G93.49 Other encephalopathy

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Encephalopathy NEC

Applies from G93.4 Other and unspecified encephalopathy

Excludes2 (not included here)

• alcoholic encephalopathy (G31.2)
• encephalopathy in diseases classified elsewhere (G94)
• hypertensive encephalopathy (I67.4)
• toxic (metabolic) encephalopathy (G92.8)

MS-DRG index

Defines the logic of DRG(s) 070-072 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 348.39 Other encephalopathy (approximate)

Code annotations containing back-references to G93.49

Back-references to G93.49

• Code Also: E88.43 Disorders of mitochondrial tRNA synthetases ("leukoencephalopathy (G93.49)")

Back-references to G93.4

• Code Also: F78.A1 SYNGAP1-related intellectual disability ("encephalopathy (G93.4-)")

Diagnosis Index entries for G93.49

• Encephalopathy (acute) › specified NEC
• Leukoencephalopathy
• Syndrome › Susac

Nearby codes

• 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
• G93.45 Developmental and epileptic encephalopathy
• G93.49 Other encephalopathy (this code)
• 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