Carboxy-terminal collagen crosslinks (CTX) reflects the resorption of mature collagen by osteoclasts. Used to assess patient response to antiresorptive therapy / compliance. Baseline level required. Levels are increased in any condition with increased osteoclast activity such as immobilisation, Paget’s disease, osteoporosis, metastatic cancer, primary hyperparathyroidism.
Tube
04 (EP) – EDTA Plasma
ID
Tests&Tubes0165
Additional Information
This test is reserved for use by the bone clinic only.
Turn Around
Turnaround time stated by Norfolk and Norwich: 2 weeks.
Send to
Blood Sciences LGI
(Test referred to: Norfolk and Norwich University Hospital).
Contact
For further details please contact Leeds Pathology customer services: [email protected].
Collection Con
Minimum Volume: 0.5ml EDTA serum. A single EDTA tube may be sent for both CTX and P1NP. Instructions to lab: Centrifuge sample, separate and freeze plasma.
Sample REQ
Blood.
Ref. Range Notes
Male 0.1 to 0.5 ug/L, Female 0.1 to 0.5 ug/L
Units
ug/L