Problem: Using the CPT manual, select the appropriate CPT code and modifier for the following procedure. Diagnosis: Hematoma of right wrist Procedure: I & D (incision and drainage) Step 1: In the index, locate main term incision and drainage, and under that locate sub term wrist. Step 2: Even when only one code is listed, always turn to the tabular list and review the description of the code and re-review the case to assure accuracy. Step 3: The procedure was performed on the wrist; the human body has two wrists. Use Appendix A to locate the modifier to append to indicate which wrist. *Enter code and modifier with a dash and no spaces, like 99214-2. Need Assignment Help?