C-Telopeptide (CTx)
Fasting Required: Yes, 12 hours

Specimen: Blood

Lab: Quest Diagnostics

Results: 7-10 business days
Note: Result turnaround times are an estimate and are not guaranteed. Our reference lab may need additional time due to weather, holidays, confirmation/repeat testing, or equipment maintenance.

Patient Instructions: Collection must be done between 8 am - 10 am.

Description: CTx is useful to assess bone resorption in patients with metabolic bone disease. The test is also useful in monitoring therapy to slow or halt osteoporotic bone loss.

Alternative Name(s): C-Telopeptide, Serum, CTX, Beta-Crosslaps