Guaiac test - nipple discharge

Hello,

My breast surgeon did a Guaiac test in the office for a nipple discharge case. What CPT® code would I use? My colorectal surgeon uses for his cases but this is the first breast case we have used it for. Any help is greatly appreciated!

Thank you,
Sharon Sagarra
Practice Administrator
Benrus Surgical Associates, Inc.
Saint Peters, MO 63376