What Is The Difference Between CPT 43238 And 43242?

What Is The Difference Between CPT 43238 And 43242? In the descriptions there is a very small wording difference. The 43238 says “Esophagus, stomach OR duodenum. The 43242 says Esophagus, stomach AND duodenum/Jejunum. What is the CPT code for upper endoscopic ultrasound? CPT ICD-9 43259 EGD with EUS 211.1 What is procedure code 43238? 43238.