CPT 99291: Critical Care, First 30-74 Minutes
Critical care, evaluation and management of the critically ill or critically injured patient, first 30-74 minutes. Direct delivery of medical care for a critically ill patient requiring constant physician attention.
Why CPT 99291 Claims Get Denied
Claims billed under CPT 99291 are frequently denied or downcoded for the following reasons. Understanding these patterns helps your practice reduce denial rates and recover revenue faster.
Documentation does not support critical illness/injury
Time documentation insufficient (less than 30 minutes)
Critical care nature of the illness not documented
Procedures separately reported that should be bundled
Billing Tips for CPT 99291
Minimum 30 minutes of critical care time required. Document total time spent in critical care activities (not just bedside time). Many procedures are bundled with critical care — do not bill 93010, 71045-71046, 36000, 36410, 36600, 43752-43753, 94002-94004, 94660-94662 separately. Bill 99292 for each additional 30 minutes.
Documentation Requirements
To support a clean claim for CPT 99291, your clinical documentation should include:
Critical nature of the condition documented
Total time spent in critical care activities
Vital organ system failure or threat described
Specific interventions and monitoring performed
Assessment and plan
Clinical decision making
Common Modifiers for CPT 99291
Reduce CPT 99291 Denials by 60%
RediClaim's pre-submission scrubber catches documentation gaps and coding errors before you submit, while the appeal generator handles denials that slip through.