Bilateral Modifier: Use or Not use?

Bilateral Modifier: Use or Not use?

May 31, 2018

Question:
If a patient has a biopsy on the right cheek and one on the left forehead, do we need to put modifiers RT and LT on the codes (11100-RT, 11101-LT)?

Answer:
No.  The skin is part of the integumentary system, actually the largest organ system in the body.  The concept of laterality does not apply to skin.

*This response is based on the best information available as of 05/31/18.

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