The University of Iowa (UIHC)
Department of Pathology
LABORATORY SERVICES HANDBOOK

C-Telopeptide (CTx)
Order Code: CTX
Order Form: A-1a Miscellaneous Request or IPR Req 		  Commercial "Mail-out" Laboratory
6240 RCP
356-3527 
Specimen
 
Serum
Collection Medium:
Red top tube 


Minimum:


1 mL serum in red top tube from a fasting patient.


Rejection Criteria:


Hemolysis, Lipemia or Non-Fasting is unacceptable.


Delivery Instructions:


Submit specimen to laboratory as soon as possible after collection.


Analytic Time:


1 week


Reference Range:


Females:  18-29 years: 64-640 pg/mL
          30-39 years: 60-650 pg/mL
          40-49 years: 40-465 pg/mL

Males:    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


Comments:


CTx is useful to asses bone resorption in patients with metabolic bone 
disease. The test is also useful in monitoring therapy to slow or halt 
osteoporotic bone loss.


Methodology:


Electrochemiluminescent Immunoassay


CPT Code:


82523


 


See Additional Information:
Fasting Specimen Requirements




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Updated: 11/21/2007

Note: The information contained in this handbook is  
            for use by personnel of University of Iowa Health Care. 
            No other use is implied or intended.