Question: Idaho Subscriber Answer: Pain in the coccyx or coccygodynia can be due to a direct fall or childbirth causing fracture dislocation of the coccyx vertebrae. If this type of pain is the reason for your provider's injection, report diagnosis 724.79 (Disorders of coccyx; other). -- Answers to You Be the Coder and Reader Questions were provided by Scott Groudine, MD, an Albany, N.Y., anesthesiologist; Barbara J. Johnson, CPC, MPC, owner of Real Code Inc. in Moreno Valley, Calif.; and Marvel J. Hammer, RN, CPC, CCS-P, ACS-PM, CHCO, owner of MJH Consulting in Denver.