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Lab Test Dictionary

Galactose-1-Phosphate Uridyltransferase (GALT), Blood (Enzyme Only) (GALT)

Methodology

Enzyme Reaction Followed by Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)


Synonyms

G-1-PU; Galactosemia; Galactosemia Enzyme; Classical Galactosemia

Specimen Type

Whole Blood

Performing Lab

Mayo Medical Lab


Epic ID

Other Reference Test

Lab Test Days

Monday, Wednesday, Friday; 7 A.M.

Standard TAT

4-5 Days


Collection Information

Specimen Required

2-5 mL Whole Blood

Container Type

Lavender (EDTA)

Collection Instructions

Whole blood collected in a sodium heparin (green-top) or yellow ACD Solution A/B (yellow-top) tube is also acceptable. Send completed Mayo Biochemical Genetics Patient Info form with specimen to lab.


Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Ambient-OK

Specimen Stability

Room Temp: 14 Days; Refrigerated: 28 Days (Preferred); Frozen: Unacceptable

Rejection Criteria

Gross hemolysis

Test Volume Required

5 mL Whole Blood

Minimum Test Volume

2 mL Whole Blood

Processing Instructions

Order in Mayolink and send with Mayo courier Monday-Friday. Submit completed Mayo Biochemical Genetic Patient Info form with specimen.


CPT Codes

82775


Revised

09-08-19

Initials

SL