ICD10BillableValid for clinical use

ICD-10 Code T88.53: Unintended awareness under general anesthesia during procedure

T88.53 is a billable ICD-10 diagnosis code used to classify Unintended awareness under general anesthesia during procedure in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Injury, poisoning and certain other consequences of external causes (S00-T88).

When is it used?

  • May be used when a clinician documents unintended awareness under general anesthesia during procedure in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
19Injury, poisoning and certain other consequences of external causes (S00-T88)
block
T07-T88Injury, poisoning and certain other consequences of external causes
block
T80-T88Complications of surgical and medical care, not elsewhere classified
category
T88Other complications of surgical and medical care, not elsewhere classified
category
T88.5Other complications of anesthesia
currentT88.5

Official coding notes

Excludes2 (may code together if documented)
  • personal history of unintended awareness under general anesthesia (Z92.84)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

Emergency Medicine SpecialistOrthopedic Specialist

Coding guidelines

Common synonyms

Unintended awareness under general anesthesia during procedure

Frequently asked questions

Code details

CodeT88.53
SystemICD10
Display nameUnintended awareness under general anesthesia during procedure
ChapterInjury, poisoning and certain other consequences of external causes (S00-T88)
BlockComplications of surgical and medical care, not elsewhere classified

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Anesthesia, anestheticComplication(s) (from) (of)Complication(s) (from) (of)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code T88.53 for Unintended awareness under general anesthesia during procedure | HealthAssure