CPT procedure code
CPT 31231: Diagnostic nasal endoscopy
Procedure code with common scenarios, denial patterns, and appeal guidance.
Code
31231
Category
surgery
Common scenarios
- Nasal endoscopy diagnostic
- Diagnostic nasal endoscopy
Common denial patterns
- Missing PA where required
- Wrong POS or modifier
Frequently asked questions
What is CPT 31231?
Diagnostic nasal endoscopy
When is it typically billed?
Nasal endoscopy diagnostic; Diagnostic nasal endoscopy.
What are common denial reasons?
Missing PA where required; Wrong POS or modifier.
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