G92 Toxic encephalopathy

Category / Non-billable header 9 subcodes

Block: Other disorders of the nervous system (G89-G99)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
G92..0 Immune effector cell-associated neurotoxicity syndrome No
G92..00 Immune effector cell-associated neurotoxicity syndrome, grade unspecified Yes
G92..01 Immune effector cell-associated neurotoxicity syndrome, grade 1 Yes
G92..02 Immune effector cell-associated neurotoxicity syndrome, grade 2 Yes
G92..03 Immune effector cell-associated neurotoxicity syndrome, grade 3 Yes
G92..04 Immune effector cell-associated neurotoxicity syndrome, grade 4 Yes
G92..05 Immune effector cell-associated neurotoxicity syndrome, grade 5 Yes
G92..8 Other toxic encephalopathy Yes
G92..9 Unspecified toxic encephalopathy Yes

Last reviewed: September 2026