Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

COLLAGEN TYPE I C-TELOPEPTIDE (CTx)

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB1012         Geisinger Epic ID: 51973

SPECIMEN COLLECTION
Specimen type:
Serum
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Special notes:
See specimen processing instructions.
Patient preparation:
A minimum of 12 hours fasting is required. Fasting morning collection 8-10 am (diurnal variations cause elevated levels at night). Dietary supplements containing biotin may interfere in assays and may skew results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

SPECIMEN PROCESSING
Specimen processing instructions:
Allow blood to clot (10-15 minutes) at room temperature. Centrifuge and separate the serum from the cells. Aliquot and freeze as soon as possible. 
Transport temperature:
Frozen.
Specimen stability:
Room temperature: 16 hours. Refrigerated: 72 hours. Frozen: 90 days.
Rejection criteria:
Moderate to gross hemolysis. Grossly lipemic. Gross icteric.

TEST DETAILS
CPT code(s):
82523
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Immunoassay
Synonyms:
Quest test code 17046, Collagen Typ
Clinical significance:
CTx is useful to assess bone resorption in patients with metabolic bone disease. The test is also useful in monitoring therapy to slow or halt osteoporotic bone loss.

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: Mon-Fri a.m.; Report available: Next day.    
Performed stat? No
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