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Order Code LGBWB Globotriaosylsphingosine, Blood


Advisory Information


Serum is the recommended specimen type for monitoring patients with Fabry disease. For more information see LGB3S / Globotriaosylsphingosine, Serum.

Specimen Required


Container/Tube:

Preferred: Lavender top (EDTA)

Acceptable: Green top (sodium heparin, lithium heparin) and yellow top (ACD B)

Specimen Volume: 1 mL


Forms

If not ordering electronically, complete, print, and send an Inborn Errors of Metabolism Test Request (T798) with the specimen.

Useful For

Diagnosing and monitoring of patients with Fabry disease when a serum specimen is not available 

 

This test is not intended for newborn screening followup.

Method Name

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

Reporting Name

Globotriaosylsphingosine, B

Specimen Type

Whole blood

Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole blood Refrigerated (preferred) 72 hours
  Ambient  48 hours

Reject Due To

Gross hemolysis OK
Gross lipemia OK
Gross icterus OK

Reference Values

Cutoff: ≤0.034 nmol/mL

Day(s) and Time(s) Performed

Samples received Monday through Saturday; 4 p.m. Sunday 1 p.m. will be prepared same day.

Testing performed Tuesday 8 a.m.

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

82542

LOINC Code Information

Test ID Test Order Name Order LOINC Value
LGBWB Globotriaosylsphingosine, B 92753-3

 

Result ID Test Result Name Result LOINC Value
BA4371 Interpretation (LGBWB) 59462-2
BA4370 Globotriaosylsphingosine 92753-3
BA4372 Reviewed By 18771-6