G93.1

Anoxic brain damage, not elsewhere classified

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC202

Coma, Brain Compression/Anoxic Damage

CMS-HCC ESRD V24

HCC80

Coma, Brain Compression/Anoxic Damage

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · G93.1

Excludes 1

cerebral anoxia due to anesthesia during labor and delivery (O74.3) cerebral anoxia due to anesthesia during the puerperium (O89.2) neonatal anoxia (P84)

Inherited from chapter 6Diseases of the nervous system

Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Official Guidelines for G93.1

FY 2026 ›

I.C.6Chapter-specific guidanceChapter 6: Diseases of the Nervous System (G00-G99)

Subsections

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