Path/Lab Coding:
Mind This Modifier for Multiple Slide Submissions
Published on Tue Jun 02, 2026
Question: We have an in-house lab, and when we bill out 87210, we charge for 2 units: one for the wet prep and one for the potassium hydroxide (KOH) slide. We have been getting many denials where the insurance companies will only pay for one. Is this correct? AAPC Forum Participant Answer: No — insurance should pay for the two [...]