The number "88309" refers to , which is used in medical billing to describe the highest level of complexity (Level VI) for surgical pathology procedures.
Below is a structured paper outlining the clinical and administrative significance of this code. Clinical Complexity and Application of CPT Code 88309 Introduction 88309.jpg
As defined by the American Medical Association (AMA) , this code is applied to "unlisted" or high-complexity specimens that require significant physician time and expertise. Common specimens billed under 88309 include: procedures that include regional lymph nodes. The number "88309" refers to , which is