CPT/LOINC Codes

85670 – Thrombin Time
85613 – Russell viper venom time, diluted, screen
85732 - Silica clotting time, screen
If appropriate:
85613 – Russell viper venom time, diluted, 50:50 mix
85613 -  Russell viper venom time, diluted, confirmation
85732 - Silica clotting time, 50:50 mix

85732 - Silica clotting time, confirmation