Z92.84
BillablePersonal history of unintended awareness under general anesthesia
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
A patient experienced unintended awareness during general anesthesia in a previous surgery, meaning they were partially conscious when they should have been fully asleep.
Coding Tips
- •This is a serious complication that must be documented to guide anesthesia management in future surgeries
- •Providers should use different anesthetic techniques and monitoring for subsequent procedures
Excludes 2 — Not included here, may code separately
- unintended awareness under general anesthesia during procedure (T88.53)
Code Hierarchy
└Z92Personal history of medical treatment└Z92.8Personal history of other medical treatment└Z92.84Personal history of unintended awareness under general anesthesia
└Z92.84Personal history of unintended awareness under general anesthesia