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C TELOPEPTIDE BETA CROSSLINKED

Test Code
CTXAR 
 
Synonyms
Beta-Cross Laps; Collagen C Telopeptide; Collagen Type I-C Telopeptide; CTx
SPECIMEN REQUIREMENTS
Container Type
Serum separator tube (gold, brick, SST, or corvac)
Supply Item Number
picture1467
Specimen Type
Serum
Preferred Volume
1 mL
Minimum Volume
0.5 mL
Patient Prep
For 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 Procedure
In 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 Processing
Allow 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 Transport
Frozen - Separate samples must be submitted when multiple tests are ordered.
Stability
Room Temp 4 hours  Refrigerated 8 hours  Frozen (-20 °C) 3 months  
Unacceptable Condition
Hemolyzed specimens
Alternate Specimens
Pink (K2EDTA), or green (sodium heparin)
CPT Codes
82523
Billing Code
CTXAR
Test Schedule
Tue, Thu, Sat
Turnaround Time
2-4 days
Method
Electrochemiluminescent 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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