C-Telopeptide, Serum

Test Code: TD_3997

CPT Code(s): 82523

$129

Test Details

Alternative Name(s)

Ctx
C-telopeptide, beta-cross-linked

Test Includes

C-Telopeptide, Serum

Methodology

Electrochemiluminescence Immunoassay (ECLIA)

Rejection Criteria

Gross hemolysis
Room temperature samples
Heat-inactivated samples
Thawed samples
Samples stabilized with azide

Reference Range(s)

Specimen Requirements

Preferred Specimen

Serum Seperator Tube

Minimum Volume

0.5 mL serum

Sample Stability

6 hours room temperature
8 hours refrigerated
3 months frozen

Transport Temperature

Critical Frozen

Collection Instructions

1 mL serum. Allow SST to clot in an upright position for at least 30 minutes, then centrifuge sample within 2 hours of collection. Transfer serum to a plastic transport tube. Clearly label tube as serum. Freeze. Critical Frozen (CFZ).
When multiple tests are ordered, submit separate tube for this test.
Note: It is recommended to draw blood as fasting, morning sample.
Samples should not be taken from patients receiving therapy with high biotin doses (>5 mg/day) until at least 8 hours following the last biotin administration.

Alternative Specimen

1 mL serum from a plain red top tube. Allow sample to clot in an upright position for at least 60 minutes, then centrifuge sample and transfer serum to a plastic transport tube within 2 hours of collection. Clearly label tube as serum from a plain red top tube. Freeze. Critical Frozen (CFZ).
When multiple tests are ordered, submit separate tube for this test.