CPT procedure code
CPT 99391: Preventive E&M, established patient, under 1 year
Procedure code with common scenarios, denial patterns, and appeal guidance.
Code
99391
Category
EM
Common scenarios
- Preventive est infant
- Preventive established under 1
Common denial patterns
- Missing PA where required
- Wrong POS or modifier
Frequently asked questions
What is CPT 99391?
Preventive E&M, established patient, under 1 year
When is it typically billed?
Preventive est infant; Preventive established under 1.
What are common denial reasons?
Missing PA where required; Wrong POS or modifier.
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