ARUP's Laboratory Test Directory

0070416: C-Telopeptide, Beta-Cross-Linked, Serum

Test Mnemonic: CTX
Methodology: Electrochemiluminescent Immunoassay

Performed: Tue, Thu, Sat

Reported: 1-4 days

Specimen Required:  
Collect: One 6 mL SST tube.

Transport: 1 mL serum, frozen. (Min:  0.5 mL) Submit specimen in an ARUP Standard Transport tube.

Pediatric Collection/Transport: 0.5 mL serum, frozen.

Unacceptable Conditions: Hemolyzed, heparinized, specimens received in plasma separator tubes.

Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 8 hours; Frozen: 3 months

Reference Interval:
 
Female Male
18-29 years:  64-640 pg/mL
30-39 years:  60-650 pg/mL
40-49 years:  40-465 pg/mL
Postmenopausal:  104-1008 pg/mL 		18-29 years:  87-1200 pg/mL
30-39 years:  70-780 pg/mL
40-49 years:  60-700 pg/mL
50-69 years:  87-345 pg/mL
70 years or greater:  80-1050 pg/mL

CPT Code(s):
82523

 

 

 
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