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81595M
SMITH-LIMLI-OPITZ SCREEN, PLASMA

Test Code 81595M 
Test SMITH-LIMLI-OPITZ SCREEN, PLASMA 
Methodology Gas Chromatography/Mass Spectrometry (GC/MS) 
Description Useful for diagnosis of Smith-Lemli-Opitz syndrome 
Specimen Draw blood in a green-top (heparin) tube from a fasting patient (4 hours or more, infants just before next feeding). Spin down promptly and send 1.0 mL (minimum: 0.2 mL) of heparinized plasma FROZEN in plastic vial. 
Reference Values Negative (reported as positive or negative)
Quantitative results are provided when positive. 
Analytic Time 2 Days 
Day(s) Test Set Up Varies; 1 time per week 
CPT Code(s) 82541