CPT procedure code
CPT 84155: Protein, total, serum
Procedure code with common scenarios, denial patterns, and appeal guidance.
Code
84155
Category
pathology
Common scenarios
- Protein total serum
- Total protein
Common denial patterns
- Missing PA where required
- Wrong POS or modifier
Frequently asked questions
What is CPT 84155?
Protein, total, serum
When is it typically billed?
Protein total serum; Total protein.
What are common denial reasons?
Missing PA where required; Wrong POS or modifier.
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