31575
Diagnostic Flexible Laryngoscopy
Code Description
CPT code 31575 is used to report diagnostic flexible laryngoscopy. During the procedure, a flexible scope is inserted through the nose or mouth to examine the larynx, vocal cords, and surrounding structures.
Healthcare providers commonly use this procedure to evaluate voice disorders, throat symptoms, and abnormalities affecting the upper airway.
When to Use 31575
Common examples include:
hoarseness
vocal cord dysfunction
chronic throat pain
swallowing difficulties
suspected laryngeal abnormalities
Documentation Requirements
Documentation should include:
indication for the procedure
structures examined
findings observed
patient tolerance
diagnostic impression
Common Billing Mistakes
Common billing mistakes include:
insufficient procedure documentation
failure to document findings
incorrect endoscopy code selection
reporting procedures not performed
Related CPT Codes
31579
Laryngoscopy With Stroboscopy
31536
Direct Operative Laryngoscopy
92511
Nasopharyngoscopy
FAQ
What is CPT code 31575?
CPT 31575 describes diagnostic flexible laryngoscopy.
What structures are examined?
The larynx, vocal cords, and surrounding upper airway structures.
Is CPT 31575 a surgical procedure?
No. It is primarily a diagnostic endoscopic examination.






Procedure Type
Diagnostic Endoscopy
Body Area
Technique
Larynx
Flexible Laryngoscopy


