C-Telopeptide, Beta-Cross-Linked, Serum


Abbrev Code:CTELOB   
Order Code:LAB6016Order Name:C-Telopeptide, Beta-Cross-Linked
Synonyms:Collagen C Telopeptide; Collagen Type I-C Telopeptide; C Telopeptide Beta Crosslinked
Methodology:Electrochemiluminescent immunoassay
CPT Codes: 82523 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-4 days.


Collection Instructions

Specimen:Blood
Optimal Volume:2.0 mL
Minimum\Peds Volume:1.2 mL
Container:Red or gold (gel)
Alternate Containers: Purple (EDTA)
Collection Instructions:A morning specimen is preferred.
Patient Preparation:In patients receiving therapy with high biotin doses (i.e., greater than 5 mg/day), no specimen should be taken until at least 8 hours after the last biotin administration. A fasting specimen is preferred.
Causes for Rejection:Hemolyzed specimens. Lithium heparin (green top) plasma.


Processing and Shipping

Specimen Processing:Allow specimen to sit for 15-20 minutes at room temperature for proper clot formation. Centrifuge and aliquot within 2 hours of collection 1 mL, 0.5 mL minimum. Store frozen.
Shipping Instructions:Ship on dry ice.
Stability:Stability: Samples are stable for 24 hours at room temperature; 48 hours refrigerated and 3 months frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:70416


Interpretive

Reference Range:
Age Female Male
6 mo-6 y 500-1800 pg/mL 500-1700 pg/mL
7-9 y 566-1690 pg/mL 522-1682 pg/mL
10-12 y 503-2077 pg/mL 553-2071 pg/mL
13-15 y 160-1590 pg/mL 485-2468 pg/mL
16-17 y 167-933 pg/mL 276-1546 pg/mL
18-29 y   238-1019 pg/mL
30-39 y   225-936 pg/mL
40-49 y   182-801 pg/mL
50-59 y   161-737 pg/mL
60-69 y   132-752 pg/mL
70 y & older   118-776 pg/mL
Premenopausal 136-689 pg/mL  
Postmenopausal 177-1015 pg/mL  
Reference ranges for patients under 6 months of age are not provided by the reference laboratory.


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