ICDcodes.org
FY2027

Z92.84 — Personal history of unintended awareness under general anesthesia

Billable

Is Z92.84 billable?

Yes — Z92.84 is billable for FY2027. Z92.84 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Z92.84 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Z92.84 at a glance

CodeZ92.84
DescriptionPersonal history of unintended awareness under general anesthesia
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

What Medicare edits apply to Z92.84?

The Medicare Code Editor screens inpatient claims before they are grouped. These edits name Z92.84 directly.

Cannot be a principal diagnosis — MCE edit 9

CMS will reject this code as the principal diagnosis on an inpatient claim. It describes something other than the condition chiefly responsible for the admission.

Which MS-DRGs does Z92.84 group to?

Z92.84 sits in MDC 23 and helps define the logic of 1 MS-DRG (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 951Other Factors Influencing Health Statusmedical

How is Z92.84 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Z92.84. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • History › personal › unintended awareness under general anesthesia
  • Anesthesia, anesthetic › complication or reaction NEC › unintended awareness under general anesthesia during procedure › personal history of

Excludes2 — not included here

The conditions below are not part of Z92.84, but a patient may have both at the same time. When documentation supports it, Z92.84 and the excluded code may both be reported.

  • unintended awareness under general anesthesia during procedure (T88.53)

Excludes2 — not included here — inherited from Z92

The conditions below are not part of Z92.84, but a patient may have both at the same time. When documentation supports it, Z92.84 and the excluded code may both be reported.

  • postprocedural states (Z98.-)

Code also — inherited from Z77-Z99

Two codes may be needed to describe the condition fully. Whether Z92.84 is sequenced first depends on the reason for the encounter.

  • any follow-up examination (Z08-Z09)

How long has Z92.84 existed?

Z92.84 first appears in FY2018 (FY2017 is not available, so it may have appeared then).

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to Z92.84?

What other codes are in the Z92.8 family? (6)