Pneumoradiography

**Definition:** Radiography using air, oxygen, or some other gas as a contrast medium.

**Tree numbers:** - E01.370.350.700.625

**Synonyms:** - Insufflation Radiography - Radiography, Insufflation - Contrast Radiography, Negative - Radiography, Negative Contrast - Negative Contrast Radiography - Air Radiography - Radiography, Air