CDOS

C-Telopeptide, Serum

Test Code: 500089

Performing Lab: LabCorp

CPT Code: 82523 001

Test Link (Copy)

Synonym

Collagen Cross-linked C-Telopeptide; Type 1 Collagen; Carboxyterminal Cross-linking Telopeptide of Bone Collagen; Crosslaps; Collagen CTX

Specimen Type

Serum (preferred) or plasma,FROZEN

Specimen Container

Gel-barrier tube, Lavender Top (EDTA) Tube, Green Top (Lithium Heparin) Tube OR Pink Top (K2 EDTA) Tube

Volume

0.5 mL

Minimum Volume

0.3 mL (NOTE:This volume does NOT allow for repeat testing).

Specimen Handling

Separate serum/plasma from cells within 45 minutes of collection. Transfer specimen to a plastic transport tube before freezing. To avoid delays in turnaround time when requesting multiple test on frozen samples, PLEASE SUBMIT SEPARATE FROZEN SPECIMENS FOR EACH TEST REQUESTED.

Temperature

FREEZE

Methodology

Electrochemiluminescence immunoassay (ECLIA)

Stability

Room Temperature: Serum 6 hours Li-Heparin plasma 4 hours Lavender Top and Pink Top (K2-EDTA) plasma 24 hours
Refrigerated: Serum 2 days Li-heparin plasma 8 hours Lavender Top and Pink Top (K2-EDTA) plasma 8 days
Frozen: Serum 3 months Li-heparin plasma 3 months Lavender Top and Pink Top (K2-EDTA) plasma 3 months

TAT

5 - 7 days

Result Code	Result Name	LOINC
502336	C-Telopeptide, Serum	41171-0

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