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Calcitonin
(a.k.a CTO)
minimum sample volume required ~ 5ml
Test Code: CTO
Tube type: SST
Special instructions
Must be received in lab cold (place on ice) within 10 minutes of collection.
Must be a fasting sample.
Usually sent away to Charing Cross Hospital, London. However some patients are required to be monitored by other labs (Glasgow).
Reference Range
Male: <11.8
Female: <4.8
Contact Laboratory before requesting
Units
ng/L
Turnaround Time
21
days
Department: Biochemistry
Clinical Application
Calcitonin measurement is used in the diagnosis and monitoring of medullary carcinoma of the thyroid, which can be part of Multiple Endocrine Adenopathy II. Measurement of calcitonin after a pentagastrin stimulation test is used in screening patients with a family history of medullary carcinoma or who have other component disorders of the MEA type II complex. Please contact laboratory for further information.
