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Lab Test Dictionary

Galactocerebrosidase, Leukocytes (GALCW)


Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)


Cerebroside B-Galactosidase, WBC, Cerebroside Beta-Galactosidase (WBC) Galactocerebroside, Galactocerebrosidase Deficiency, Galactosylceramide, GALC Deficiency

Specimen Type

Whole Blood

Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days

Monday, Wednesday

Standard TAT

5-9 days

Collection Information

Specimen Required

2-6mL Whole Blood

Container Type

Yellow (ACD), Solution B

Collection Instructions

Acceptable: Yellow top (ACD solution A) or lavender top (EDTA). Send whole blood specimen in original tube. Do not aliquot

Processing Information - Lab Use Only

Transport Temperature


Specimen Stability

Room Temp=6 days; Refrigerated=6days; Frozen=Unaccerptable

Rejection Criteria

Gross hemolysis

Test Volume Required

6mL whole blood

Minimum Test Volume

2mL whole blood

Processing Instructions

Order in Mayolink and send with Mayo courier Monday-Friday.

CPT Codes