Critical Care

CPT 99291 vs 99292

Critical Care First Hour vs Additional 30 Minutes — side-by-side RVU comparison with clinical guidance on when to use each code.

Key Difference

99291 covers the first 30-74 minutes and has a much higher wRVU. 99292 is an add-on code for each additional 30-minute block. Combined, they represent some of the highest-RVU E/M services.

Clinical Documentation Tip

Track critical care time precisely. Only count time spent in direct care of the critically ill patient, not unit-based time. Document clinical instability clearly.

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