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Test ID LGB3S Globotriaosylsphingosine, Serum

Ordering Guidance

This test is not useful for determining carrier status. Order FABRZ / Fabry Disease, Full Gene Analysis, Varies for carrier testing.

Necessary Information

1. Patient’s age is required.

2. Reason for referral is required.

Specimen Required

Collection Container/Tube:

Preferred: Red top

Acceptable: Serum gel

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


1. Biochemical Genetics Patient Information (T602) in Special Instructions.

2. If not ordering electronically, complete, print, and send a Biochemical Genetics Test Request (T798) with the specimen.

Useful For

Diagnosis and monitoring of Fabry disease

Method Name

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

Reporting Name

Lyso-GB3, S

Specimen Type


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen (preferred) 90 days
  Refrigerated  48 hours

Reference Values

≤1.0 ng/mL

Day(s) Performed


Report Available

8 to 14 days

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 US Food and Drug Administration.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
LGB3S Lyso-GB3, S 90234-6


Result ID Test Result Name Result LOINC Value
BG708 Reason for Referral 42349-1
65532 Lyso-GB3, S 90234-6
113176 Interpretation (LGB3S) 59462-2
113177 Reviewed By 18771-6