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ICD-10-CM 2027

ICD-10 code for sedation during procedure failure

T88.52

Failed moderate sedation during procedure

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Failure, failed › sedation (conscious) (moderate) during procedure”. Page updated September 29, 2026.

About coding sedation during procedure failure

The ICD-10-CM code for sedation during procedure failure is T88.52 (Failed moderate sedation during procedure). The official index lists 1 more specific code, so check the documentation for details such as type, cause, site or severity before settling on T88.52.

Within T88.5 (other complications of anesthesia), T88.52 is specifically for failed moderate sedation during procedure. Related codes cover hypothermia following anesthesia (T88.51), unintended awareness under general anesthesia during procedure (T88.53) and other complications of anesthesia (T88.59).

Codes in this range require a 7th character: A for initial encounter, D for subsequent encounter and S for sequela. Use placeholder "X" characters to fill any empty positions before the 7th character.

The conditions in its Excludes2 note aren't part of T88.52, but may be coded alongside it if the patient has both: personal history of failed moderate sedation (Z92.83).

More specific sedation during procedure failure codes (official index)

  • history of Z92.83 — Personal history of failed moderate sedation

Common questions about sedation during procedure failure ICD-10 codes

What is the ICD-10 code for sedation during procedure failure?

T88.52 — Failed moderate sedation during procedure (a header code; report a more specific subcode). More specific codes apply when the documentation supports them: Z92.83.

What is the ICD-10 code for history of sedation during procedure failure?

Z92.83 — Personal history of failed moderate sedation.

Is T88.52 billable?

No. T88.52 is a header code. Report one of its more specific subcodes instead.