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

Cystine, White Blood Cell
Order Code: WBCCYS
Order Form: A-1a Miscellaneous Request or IPR Req 		  Commercial "Mail-out" Laboratory
6240 RCP
356-3527 
Specimen
 
Whole Blood
Collection Medium:
Green top tube (Na Heparin) 


Minimum:


10 mL whole blood from green top (Na Heparin) tube.


Delivery Instructions:


Deliver to laboratory immediately after collection.


Specimen
Instructions:


Test needs to be scheduled with laboratory 24 hours in advance.  Call
6-3527 to schedule test.  Mix well and deliver immediately to 6240 RCP 
after collection.


Analytic Time:


2 weeks


Reference Range:


When blood is drawn five-six hours post medication, a cystine value
< 1.0 nmole / 1/2 cystine / mg protein is optimal.


CPT Code:


82131


 


See Additional Information:
Specimens Requiring Immediate Delivery




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Updated: 05/15/2007

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.