Rheumatology Coding Corner Answer: Billing Infusion Procedure with JW Modifier From the College | Issue: April 2017 | April 20, 2017 For questions or additional information on coding and documentation guidelines, contact Melesia Tillman, CPC-I, CPC, CRHC, CHA, via email at [email protected] or 404-633-3777 x820. Page: 1 2 | Single Page Share: