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C TELOPEPTIDE BETA CROSSLINKED

Test Code
CTXAR
 
SynonymsBeta-Cross Laps; Collagen C Telopeptide; Collagen Type I-C Telopeptide; CTx
SPECIMEN REQUIREMENTS
Container TypeSerum separator tube (gold, brick, SST, or corvac)
Supply Item Numberpicture1467
Specimen TypeSerum
Preferred Volume1 mL
Minimum Volume0.5 mL
Patient PrepFor patients receiving therapy with high biotin doses (e.g. greater than 5 mg/day), specimen should not be drawn until at least 8 hours after the last biotin administration.
Collection ProcedureIn patients receiving therapy with high biotin doses (i.e. greater than 5 mg/day), no specimen should be taken until at least 8 hours after the last biotin administration.
Specimen ProcessingAllow serum separator tube to sit for 15-20 minutes at room temperature for proper clot formation. Centrifuge and separate from cells ASAP or within 2 hours of collection and transfer to a standard PAML aliquot tube.
Store and TransportFrozen - Separate samples must be submitted when multiple tests are ordered.
StabilityRoom Temp 4 hours  Refrigerated 8 hours  Frozen (-20 °C) 3 months  
Unacceptable ConditionHemolyzed specimens
Alternate SpecimensPink (K2EDTA), or green (sodium heparin)
CPT Codes82523
Billing CodeCTXAR
Test ScheduleTue, Thu, Sat
Turnaround Time2-4 days
MethodElectrochemiluminescent Immunoassay
Reference Ranges
TitleGenderDescriptionRangesUnits
C Telopeptide Beta CrosslinkedF6 months-6 years500-1800pg/mL
7-9 years566-1690
10-12 years503-2077
13-15 years160-1590
16-17 years167-933
18-29 years64-640
30-39 years60-650
40-49 years40-465
Postmenopausal104-1008
M6 months-6 years500-1700
7-9 years522-1682
10-12 years553-2071
13-15 years485-2468
16-17 years276-1546
18-29 years87-1200
30-39 years70-780
40-49 years60-700
50-69 years40-840
70+ years52-847

Interface Codes
typeorder codetest descriptionresult coderesult descriptionunitsdecimal placesloinc code
o82523.Z3C-Telopeptide,Beta-Crosslinked
r82523.Z3C-Telopeptide,Beta-Crosslinked82523.Z3C-Telopeptide,Beta-Crosslinkedpg/mL 41171-0

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