ICD-9 code

[Libby Cawthorn]

How would you code needle aspiration of fluid from post-op mastectomy site performed by physician in room. My software will not allow me to enter any code (the one I chose is 85.91) with less than 3 digits to left of decimal point? Libby       Libby Cawthorn, RN Director/MDS Coordinator SNF TJ Samson Community Hospital 1301 N. Race Street Glasgow, Ky. 42141-3483 Fax# 270-651-4786 Phone# 270-651-4783