Esophageal and Airway pH Monitoring (CPB 0667, reviewed 2026-10-07)
Aetna Clinical Policy Bulletin 0667 on esophageal and airway pH monitoring, reviewed 2026-10-07, considers esophageal pH monitoring medically necessary for listed indications, such as refractory reflux in members with chest pain after cardiac evaluation, and for evaluating vomiting in infants up to 3 months of age. The policy considers multi-channel intraluminal impedance testing medically necessary for certain reflux and dysphagia indications, and considers airway pH monitoring, pharyngeal pH monitoring and airway impedance measurement experimental, investigational or unproven. This is an older source dated 2026-10-07, which is historical material, and it states no effective date.