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HelpTest Code Test Code LAB000 - Enter Specimen type, Source, and Test Name Globotriaosylsphingosine, Blood
Test Down Notes
This test is temporarily unavailable. For additional details, see test update here.
Ordering Guidance
Serum is the recommended specimen type for diagnosing and 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
Collection Instructions: Send whole blood specimen in original tube. Do not aliquot.Forms
Useful For
Screening of patients with Fabry disease when a serum specimen is not available
This test should not be used for newborn screening followup.
Method Name
Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)
Reporting Name
Globotriaosylsphingosine, BSpecimen Type
Whole bloodSpecimen 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) Performed
Tuesday
Report Available
3 to 9 daysPerforming 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. It has not been cleared or approved by the US 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 |