ICD-10-CM > S00-T88 > T80-T88 > T88 > T88.5 > T88.53 > T88.53XS T88.53XS Unintended awareness under general anesthesia during procedure, sequela Billable/Specific Copy Code Copy Description Type 2 Excludes personal history of unintended awareness under general anesthesia (Z92.84)