MCMedicalCodingSoftware
T88.52

T88.52: Failed moderate sedation during procedure

Non-billable headerICD-10-CM

T88.52 is a non-billable header ICD-10-CM code for failed moderate sedation during procedure. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The appropriate 7th character is to be added to each code from category T88

A
initial encounter
D
subsequent encounter
S
sequela

Excludes2: not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

  • personal history of failed moderate sedation (Z92.83)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Failed conscious sedation during procedure

Excludes2 inherited from the categories above T88.52

Not part of this code, but both may be coded when both are present.

Written on T88: Other complications of surgical and medical care, not elsewhere classified

  • complication following infusion, transfusion and therapeutic injection (T80.-)
  • complication following procedure NEC (T81.-)
  • complications of anesthesia in labor and delivery (O74.-)
  • complications of anesthesia in pregnancy (O29.-)
  • complications of anesthesia in puerperium (O89.-)
  • complications of devices, implants and grafts (T82-T85)
  • complications of obstetric surgery and procedure (O75.4)
  • dermatitis due to drugs and medicaments (L23.3, L24.4, L25.1, L27.0-L27.1)
  • poisoning and toxic effects of drugs and chemicals (T36-T65 with fifth or sixth character 1-4)
  • specified complications classified elsewhere

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Failure, failed›sedation during procedure(conscious) (moderate)
  • Complication›anesthesia, anesthetic›failed sedation during procedure(conscious) (moderate)

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead T88.52

3 child codes. Green means billable.

Other codes under T88.5

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.