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HelpTest Code LAB90135 Beta-CrossLaps (B-CTx, S)
Additional Codes
CTX
Reporting Title
Beta-CrossLaps (B-CTx)
Methodology
Roche Diagnostics Electrochemiluminscence Immunoassay
Useful for:
An aid in monitoring antiresorptive therapies (eg, bisphosphonates and hormone replacement therapy) in postmenopausal women treated for osteoporosis and individuals diagnosed wtih osteopenia.
An adjunct in the diagnosis of medical conditions associated with increased bone turnover
Performing Laboratory
OhioHealth Labortory Services - RMH Special Testing
Specimen Requirements
Patient Preparation:
1. For 12 hours before this test do not take multivitamins or dietary supplements containing biotin (vitamin B7), which is commonly found in hair, skin, and nail supplements and multivitamins.
2. Patient should be fasting.
Collection Container/Tube:
Preferred: Gold Top SST
Acceptable: Serum Red Top
Specimen Volume: 1 mL
Collection Instructions:
1. Collect specimen prior to 10 a.m.
2. Centrifuge and aliquot serum (Send Frozen sample)
Specimen Minimum Volume
0.4 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Frozen (preferred) | 3 months |
| Refrigerated | 8 hours |
Specimen Transport Temperature
Ambient NO/ Refrigerated within 8 hours/ Prefer Frozen
Reference Values
Males:
Less than 30 years: not established
30-50 years: 0-584 pg/mL
51-70 years: 0-704 pg/mL
> 70 years: 0-854 pg/mL
Females:
<18 years not established
Premenopausal: 25-573 pg/mL
Postmenopausal: 104-1008 pg/mL
Test Classification and CPT Coding
82523
Day(s) Test Set Up
Monday through Friday 24/7
Synomyn
C-Telopeptide