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Test Code GL-3 PL GL-3 Level, Plasma


Gb3 (globotriasylceramide)

CTH (ceramide trihexoside)

Sample Requirements

Specimen: Whole Blood

Container(s): Dark Green/Sodium Heparin

Preferred Vol: 3 mL

Minimum Vol: 2 mL


Processing Instructions

Reject due to: Gold SST or Red

Spin: Y

Aliquot: Y

Temp: -20 C

Storage location: Transfer plasma to a plastic tube affixed with a large Cerner label. Deliver sample to CPA freezer Send Outs rack.


Off-site collection:


Specimen Type Temperature Time
Plasma Room temp N
  Refrigerated N
  Frozen Y



STAT Performed TAT
N   Up to 2 m


Performing Laboratory

Genzyme Clinical Specialty Lab

1 The Mountain Road
Framingham, MA 01701-9322


Sample Questions: (508) 270-2449

Result Questions: (508) 661-1894


Department: Send Outs


Phone Number: (206) 987-2563

Send Out Instructions


Reference Test Name: Plasma Gl-3 & Lyso Gl-3 Testing
Reference Test Number:  
Instructions: Send frozen plasma on dry ice. Saturday deliveries are acceptable.