Collagen Type I C-Telopeptide CTX

Synonyms

Allscripts (AEHR) Order Name

Collagen Type I C-Telopeptide

Sunrise Clinical Manager (SCM) Order Name

Not Orderable

EPIC Order Name

C-Telopeptide

Clinical Info

For in vitro diagnostic use as an indicator of human bone resorption. This test may be used as an aid in monitoring bone resorption changes of antiresorptive therapies in postmenopausal women, individuals with osteopenia, and in predicting skeletal response (bone mineral density) in postmenopausal women undergoing antiresorptive therapies.

Specimen Type

Blood

Container

Red Top Tube

Collection Instructions

Container/Tube: Red top preferred- Gold top acceptable
Specimen: 0.5 mL serum ( 0.3 mL min)
Transport Temperature: Frozen

Note
It is recommended to draw blood as fasting, morning samples. Samples should not be taken from patients receiving therapy with high biotin doses (i.e. >5 mg/day) until at least 8 hours following the last biotin administration.
Separate serum from cells within 45 minutes of collection.

Transport Instructions

Frozen

Specimen Stability

Methodology

Electrochemiluminescent Immunoassay

Days Performed

Monday- Wednesday- Friday

Performing Laboratory

LabCorp Burlington, NC

CPT

82523
LOINC Code: 41171-0

PDM

5913270

Result Interpretation

Adult Male

18-29 Years	87-1200 pg/mL
30-39 Years	70-780 pg/mL
40-49 Years	60-700 pg/mL
50-68 Years	87-345 pg/mL

Adult Female

18-29 Years	60-640 pg/mL
30-39 Years	60-650 pg/mL
40-49 Years	50-465 pg/mL
>49 Years	Not established

Pediatric Male

5-9 Years	574-1849 pg/mL
10-13 Years	519-2415 pg/mL
14-17 Years	435-2924 pg/mL

Pediatric Female

5-9 Years	574-1849 pg/mL
10-13 Years	519-2415 pg/mL
14-17 Years	242-1291 pg/mL

Forms