Test ID: CRLS
Serum CrossLaps (also known as CTx) is a specific biomarker test measuring type I collagen degradation products in the blood, which indicates the rate of bone resorption (breakdown). It is primarily used to monitor the effectiveness of osteoporosis therapies and assess bone turnover. High levels often suggest faster bone loss.
Turnaround time: 4 days
Sample Collection Instructions: Serum must be separated and frozen within 8 hours of collection. Ideally to be sampled in the morning and fasting.
Sample Requirements: Yellow (SST)
Sample Stability: Postal NOT acceptable