If a candidate achieves the higher cut score , he or she will earn the Registered Pulmonary Function Technologist ( RPFT ) credential .
If a candidate achieves the lower cut score , he or she will earn the Certified Pulmonary Function Technologist ( CPFT ) credential .
If a candidate achieves the higher cut score , he or she will earn the Registered Certified Pulmonary Function Technologist     ( RPFT ) credential .
If a candidate achieves the lower cut score , he or she will earn the Certified Pulmonary Function Technologist ( CPFT ) credential .