Lab Test Dictionary

Galactose-1-Phosphate Uridyltransferase Biochemical Phenotyping, Erythrocytes (GALTP)

Methodology

Isoelectric Focusing; Enzyme Reaction; Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

Synonyms

Biochemical Phenotype; Erythrocyte Galactose-1-Phosphate Uridyltransferase (GALT) Phenotyping; Galactose-1-Phosphate Uridyltransferase Isoenzymes/Isoelectric Focusing; Galactosemia; GALT Phenotype; GPUT; RBC, Galactose-1-Phosphate Uridyltransferase Phenotyping; Galactose-1-Phosphate Uridyltransferase (GALT)

Specimen Type

Whole Blood

Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days

Thursday; 9 A.M.

Standard TAT

8-15 Days

Collection Information

Specimen Required

2-3 mL Whole Blood

Container Type

Lavender (EDTA)

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

3 mL Whole Blood

Minimum Test Volume

2 mL Whole Blood

Processing Instructions

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

CPT Codes

82664, 82775

Revised

12-01-19