Laboratory Medicine
Test Directory / Collagen type 1 cross-linked C-telopeptide (CTx / Beta crosslaps)
Collagen type 1 cross-linked C-telopeptide (CTx / Beta crosslaps)
EDTA
| Test | Collagen type 1 cross-linked C-telopeptide (CTx / Beta crosslaps) |
|---|---|
| Common Abbreviations | CTx |
| Profile | NA |
| Tube type | EDTA |
| Clinical Indication | Used in monitoring the response to anti-resorptive therapy for the treatment of osteoporosis |
| Specimen Type | Blood |
| Sample type | EDTA plasma |
| Minimum Volume | 0.6mL |
| Special Precautions | Fasting sample. Must be received within 3 hours of collection. Centrifuge and freeze immediately. |
| Stability | 3h at 20-25°C, >1 year at -20°C |
| Turnaround Time | 2 weeks |
| Laboratory | Norfolk and Norwich University Hospitals NHS Foundation Trust, NR4 7UY. 01603 286929/ 01603 287945 |
| Reference Interval | See report |
| Limitations | Large circadian variation. Minimise effects by collecting fasting morning sample. |
| Notes | Test only available for Consultant Endocrine / Metabolic Medicine and Rheumatology requestors |






