G93.6 Cerebral edema

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

Excludes1 (never code together)

• cerebral edema due to birth injury (P11.0)
• traumatic cerebral edema (S06.1-)

Risk adjustment (HCC)

• CMS-HCC V28: HCC 202 — Coma, Brain Compression/Anoxic Damage
• CMS-HCC V22: HCC 80 — Coma, Brain Compression/Anoxic Damage
• ESRD V24: HCC 80

MS-DRG index

Defines the logic of DRG(s) 080-081 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 348.5 Cerebral edema (approximate)

Code annotations containing back-references to G93.6

Back-references to G93.6

• Code Also: G92.0 Immune effector cell-associated neurotoxicity syndrome ("cerebral edema (G93.6)")
• Type 1 Excludes: R60 Edema, not elsewhere classified ("cerebral edema (G93.6)")

Diagnosis Index entries for G93.6

• Edema, edematous (infectious) (pitting) (toxic) › brain (cytotoxic) (vasogenic)
• Edema, edematous (infectious) (pitting) (toxic) › intracranial
• Effusion › brain (serous)
• Effusion › cerebral
• Effusion › cerebrospinal › vessel
• Effusion › intracranial
• Leukoencephalopathy › reversible, posterior

Nearby codes

• 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
• G93.5 Compression of brain
• G93.6 Cerebral edema (this code)
• G93.7 Reye's syndrome
• G93.8 Other specified disorders of brain
• G93.81 Temporal sclerosis
• G93.82 Brain death
• G93.89 Other specified disorders of brain