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8640M
BETA-GLUCURONIDASE, SPINAL FLUID

Test Code 8640M 
Test BETA-GLUCURONIDASE, SPINAL FLUID 
Methodology Colorimetric
(Marker of Metastatic Leptomeningeal Carcinoma) 
Description Useful for determination of meningeal invasion by peripheral tumors 
Specimen 1.0 mL (minimum: 0.5 mL) of spinal fluid. Send specimen FROZEN in plastic vial on dry ice. 
Reference Values Normal: < 49 mU/L
Indeterminate: 49 - 70 mU/L
Suspicious: > 70 mU/L 
Analytic Time 7 Days 
Day(s) Test Set Up Thursday 
CPT Code(s) 84311