William Terry Knowlton has over 25 years of experience as a coding quality analyst at Wexner Medical Center in Columbus, Ohio. He has extensive experience with ICD-9 and some training in ICD-10. Knowlton is currently employed at Ciox Health and has experience coding for Northwestern Memorial Hospital. He maintains strict confidentiality and compliance with HIPAA regulations. Knowlton has a high school diploma and passed the CCS certification exam in January 2015.