Test Overview
Method
Electrochemiluminescent immunoassay (ECLIA)
Analytical Platform
Roche 602
Result Included
C-Telopeptide
Aliases/Synonyms
Beta-Crosslaps; Beta Crosslaps; CTx; Beta-CTx; Carboxy terminal collagen crosslinks
Specimen
Specimen Type
Plasma (EDTA)Containers
Collection Containers
Lavender top (EDTA)
Volume
Sample Volume
1 mL
Patient Preparation
Fasting
Collection & Handling
Handling Information
Separate and aliquot within 2 hours. Store and send cold or frozen.
Stability
| Ambient | Refrigerated | Frozen |
|---|---|---|
| 1 day | 8 days | 3 months |
Rejection Criteria
| Criteria | Specification |
|---|---|
| Specimen | Not EDTA plasma |
Performance & Interpretation
Turnaround Time
2 days
Results
Name
Units
Reference Range
Conversion
-
C-Telopeptideng/LMale:
≤ 30 y: 238 - 1019
> 30 to ≤ 40 y: 225 - 936
> 40 to ≤ 50 y: 182 - 801
> 50 to ≤ 60 y: 161 - 737
> 60 to ≤ 70 y: 132 - 752
> 70 y: 118 - 776
Female:
≤ 30 y: 148 - 967
> 30 to ≤ 40 y:150 - 635
> 40 to ≤ 50 y: 131 - 670
> 50 to ≤ 60 y: 183 - 1060
> 60 to ≤ 70 y:171 - 970
>70 y:152 - 858
Pre-menopausal: 136-689
Post-menopausal: 177 - 1015
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| CTELO | C-Telopeptide EDTA | 63557 | ng/L |
Test Version
Last Updated
2023-01-13