A Patient Was Seen for Administration of a Gastroesophageal Reflux

Multiple Choice

A patient was seen for administration of a gastroesophageal reflux test. The pH electrodes were inserted through the nose. The physician supervised the procedure, reviewed the results, and determined the test was positive for GERD. Select the appropriate CPT and ICD-10-CM codes.

A) 91034, K20.9
B) 91037, K21.0
C) 91037, K20.9
D) 91034, K21.0