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.
Significant deviations from the normal range may require further evaluation by your physician.
C-Telopeptide, Serum
Alternative Name(s):
C-Telopeptide
CTX
Beta-Crosslaps
A minimum of 12 hours fasting is required. Fasting morning collection 8-10 am (diurnal variations cause elevated levels at night). Fasting is defined as no consumption of food or beverage other than water for at least 12 hours before testing. Estimated turnaround for results is 3 business days. If confirmation testing is required, the estimated time may be extended.
Useful to assess bone resorption and to monitor therapy in osteoporotic bone loss.
C-Telopeptide, Serum
This test may exhibit interference when sample is collected from a person who is consuming a supplement with a high dose of biotin (also termed as vitamin B7 or B8, vitamin H or coenzyme R). It is recommended to stop biotin consumption at least 72 hours prior to the collection of specimen. Estimated turnaround for results is 3 business days. If confirmation testing is required, the estimated time may be extended.
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