Blotter definition, a piece of blotting paper used to absorb excess ink, to protect a desk top, etc. See more.
Definition. An esophagogastroduodenoscopy (EGD), which is also known as an upper endoscopy or upper gastrointestinal endoscopy, is a diagnostic procedure that is performed to view the esophagus, stomach, and duodenum (part of the small intestine).
PTH testing in patients who have undergone thyroidectomy and/or parathyroidectomy (reported with ICD-9 codes V67.09 and V77.99) is only covered for immediate post-operative follow-up. Long term follow-up would be performed by monitoring calcium.