T88.52 — Failed moderate sedation during procedure
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
Risk adjustment
T88.52 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
How T88.52 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to T88.52.
- Failure, failed›sedation during procedure(conscious) (moderate)
- Complication›anesthesia, anesthetic›failed sedation during procedure(conscious) (moderate)
Code to one of these instead T88.52
3 child codes. Green means billable.
Related codes at this level
Codes that share T88.5. If T88.52 is not quite right, the correct code is usually one of these.
Questions about T88.52
- Is T88.52 a billable ICD-10-CM code?
- No. T88.52 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does T88.52 sit in the tabular list?
- Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Complications of surgical and medical care, not elsewhere classified (T80-T88).