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Lab Test Dictionary

Glucotetrasaccharides, Urine (HEX4)

Methodology

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

Synonyms

Glucose tetrasaccharides; Glc4; Hexose tetrasaccharide; Hex4; Pompe Disease

Specimen Type

Urine, Random

Performing Lab

Mayo Medical Lab

Epic ID

Other Reference Test

Lab Test Days

Wednesday; 11 A.M.

Standard TAT

7-14 Days

Collection Information

Specimen Required

1-3 mL Random Urine

Container Type

Sterile Container

Collection Instructions

No preservative.

Processing Information - Lab Use Only

Transport Temperature

Refrigerate-OK/Frozen-OK/Ambient-OK

Specimen Stability

Room Temp=14 Days; Refrigerated=28 Days; Frozen=87 Days (Preferred)

Test Volume Required

3 mL Random Urine

Minimum Test Volume

1 mL Random Urine

Processing Instructions

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

Comments

Ok to send on outpatients and inpatients. Requires TSO form.

CPT Codes

82542, 82570

Revised

03-04-20