Fig. 1
From: An algorithm to identify cases of pulmonary arterial hypertension from the electronic medical record
Features of screening tool. The screening tool included PAH medications, including brand and generic names, current procedural terminology (CPT) codes for right heart catheterization and International Classification of Diseases (ICD) 9 or 10 codes for pulmonary hypertension. With final testing of the algorithm, characteristics of the algorithm that were tested included the strength, persistence and durability