CPT Tip Of The Day 2009 Author:American Medical Association Keep track of appointments and receive valuable coding tips throughout the year! This 2009 "tearoff" calendar includes national holidays and important industry dates throughout. Sample Coding Tip: Code 38220, Bone marrow; aspiration only, describes the procedure of bone marrow aspiration. If multiple aspirations are obtained at... more » the same insertion site, then code 38220 should be reported one time. However, if a separately distinct needle site was aspirated (e.g., iliac and sternum), then it would be appropriate to report code 38220 appended by modifier 59. Code 38221, Bone marrow; biopsy, needle or trocar, describes the technique of removal of a small piece or pieces of the cancellous bone via a needle (such as Jamshidi) or trocar.« less