Effective: 12/16/2016 Labtech Diagnostics Procalcitonin (PCT) See details LAB TEST NOW AVAILABLE AT LABTECH DIAGNOSTICS PCT is the prohormone of the hormone calcitonin, but PCT and calcitonin are distinct proteins. Calcitonin is exclusively produced by C-cells of the thyroid gland in response to hormonal stimuli, whereas PCT can be produced by several cell types and […]