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

7-Dehydrocholesterol (Smith-Lemli-Opitz Screen)
Order Code: 7DHCH
Order Form: A-1a Miscellaneous Request or IPR Req 		  Commercial "Mail-out" Laboratory
6240 RCP
356-3527 
Specimen
 
Plasma
Collection Medium:
Green top tube (Na Heparin) 


Alternate
Collection Media:


Pink top tube (EDTA sprayed)


Minimum:


Preferred minimum: 1 mL sodium heparin plasma from a fasting patient
Absolute minimum: 0.2 mL


Delivery Instructions:


Deliver to laboratory immediately after collection.


Analytic Time:


within 10 days


Reference Range:


Negative (reported as positive or negative)
Quantitative results are provided when positive


Methodology:


Gas Chromatography-Mass Spectrometry (GC-MS)


CPT Code:


82541


 


See Additional Information:
Fasting Specimen Requirements
Specimens Requiring Immediate Delivery




 Alphabetic main page


Updated: 06/05/2007

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.