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Catalog ID BCx C-T C-Telopeptide, Beta-Cross-Linked, Serum

Additional Codes

CPOE: Ref C-Telopeptide, Beta-Cross-Linked, Serum

DOE: Ref BxL C-telo

CPT Code

82523

Specimen

Gold SST Tube, collect 2 mL blood - morning specimen preferred

1 mL serum, frozen

Rejection Criteria

lithium heparin plasma, hemolyzed specimens, specimens not centrifuged within 2 hours, insufficient quantity, unlabelled specimen

Interpretative Information

Preferred test to measure bone resorption and monitor response to antiresorptive therapy (eg, bisphosphonates, hormone replacement therapy) in postmenopausal women and individuals with osteoporosis.

Performing Lab

ARUP Laboratories

Turn-Around-Time

<24 hours from ARUP Laboratories specimen receipt

Reference Values

Age Female Male
6 months-6 years 500-1800 pg/mL 500-1700 pg/mL
7-9 years 566-1690 pg/mL 522-1682 pg/mL
10-12 years 503-2077 pg/mL 553-2071 pg/mL
13-15 years 160-1590 pg/mL 485-2468 pg/mL
16-17 years 167-933 pg/mL 276-1546 pg/mL
18-29 years   238-1019 pg/mL
30-39 years   225-936 pg/mL
40-49 years   182-801 pg/mL
50-59 years   161-737 pg/mL
60-69 years   132-752 pg/mL
70 years or greater   118-776 pg/mL
Premenopausal 136-689 pg/mL  
Postmenopausal 177-1015 pg/mL