ICD-10-CM > S00-T88 > T80-T88 > T88 > T88.5 > T88.52 T88.52 Failed moderate sedation during procedure Non-Billable/Non-Specific Applicable To Failed conscious sedation during procedure Type 2 Excludes personal history of failed moderate sedation (Z92.83) Codes T88.52XA..., initial encounterT88.52XD..., subsequent encounterT88.52XS..., sequela