Critical Care Time (99291 + 99292 Units)
Critical-care time coding: net minutes (total minus separately-billable procedure time) mapped to 99291 and additional 99292 units, by the payer's rule (Medicare from 104 minutes, CPT from 75).
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Whose 99292 rule to apply
- Medicare (99292 from 104 minutes)
- Total critical-care minutes
- 104
- Separately-billable procedure minutes to subtract
- 0
Result: 104 net critical-care minutes for Medicare -> 99291 (first 30-74 min) + 99292 x1 (from 104 minutes).
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Whose 99292 rule to apply: medicare (from 104 minutes) or ama (CPT, from 75)
- Total critical-care minutes
- Separately-billable procedure minutes to subtract
How this is calculated
Citation
AMA CPT 99291 (first 30-74 minutes) and 99292 (each additional 30, from 75 minutes); CMS Pub. 100-04 Ch. 12 30.6.12: aggregate the day's time, subtract separately reported procedures, and for Medicare 99292 only from 104 minutes (74 + 30). Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.
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