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81326M
PIPECOLIC ACID, SERUM

Test Code 81326M 
Test PIPECOLIC ACID, SERUM 
Methodology Gas Chromatography/Mass Spectrometry (GC/MS) 
Description Pipecolic acid determination is useful for the differential diagnosis between disorders of peroxismal biogenesis (elevated pipecolic acid) and disorders with loss of a single peroxisomal function (normal pipecolic acid). 
Specimen Draw blood in a plain, red-top tube from a fasting patient, (12 hours or more, infants and small children just before next feeding). Spin specimen down within 45 minutes of draw. Send 1.5 mL (minimum: 1.0 mL) of serum FROZEN in plastic vial.

NOTE: PATIENT'S AGE IS REQUIRED ON REQUEST FORM FOR PROCESSING. 

Reference Values <6 months: < or =6.0 nmol/mL
6 months-<1 year: < or =5.9 nmol/mL
1-17 years: < or =4.3 nmol/mL
> or =18 years: < or =7.4 nmol/mL 
Analytic Time 2 Days 
Day(s) Test Set Up Varies; 2 times per month 
CPT Code(s) 82543