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HelpTest Code LGBWB 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.
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 daysSpecimen Retention Time
Whole blood: 7 days; Dried Blood Spot: Normal results: 2 months; Abnormal result: IndefinitelyPerforming Laboratory
Mayo Clinic Laboratories in Rochester
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 |