Use This Time Threshold Calculator
Published on Mon Apr 17, 2017
Make sure you have your time thresholds down with this chart from CPT®.
Total Duration of Critical Care Codes
- less than 30 minutes (less than 30 minutes) appropriate E/M codes
- 30-74 mins. (30 minutes - 1 hr. 14 min.) 99291 X 1
- 75-104 mins. (1 hr. 15 min. - 1 hr. 44 min.) 99291 X 1 AND 99292 X 1
- 105-134 mins. (1 hr. 45 min. - 2 hr. 14 min.) 99291 X 1 AND 99292 X 2
- 135-164 min. (2 hr. 15 min. - 2 hr. 44 min.) 99291X 1 AND 99292 X 3
- 165-194 mins. (2 hr. 45 min. - 3 hr. 14 min.) 99291 X 1 AND 99292 X 4
- 195 mins. or longer (3 hr. 15 min. - etc.) 99291and 99292 as appropriate (see illustrated reporting examples above)