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GL-3, plasma-994

Test info

Test name:

GL-3, plasma

Test number:

994

Excellian order number:

LAB994

Alternate names:

Fabrazyme biomarker
Fabry disease biomarker

Useful for:

Enzyme replacement therapy with Fabryzme results in a rapid and sustained decrease in plasma GL-3 levels and most patients. Periodic testing for GL-3 levels in plasma is recommended as part of the minimal schedule of assessments from the Fabry Registry prior to the start of treatment come every three months for the first 18 months of treatment and then every six months.

Specimen

Specimen type:

Plasma

Collection container:

Green (sodium heparin) top tube

Volume:

1 mL

Minimum volume:

0.4 mL

Processing instructions:

Spin
Separate plasma into Labcorp transport vial
Freeze

Transport container:

Labcorp Transport tube (freeze vial – puple cap)

Transport and stability:

Frozen (preferred) - 3 months

Freeze thaw cycles x 6

Reason for rejection:

Clotted or severely hemolyzed plasma samples

Performance

Performing lab:

Labcorp (504662) R-LC

Days set up:

One day per week

TAT:

14 days

Method:

LC/MS

Clinical and Interpretive info

Reference ranges:

ug/mL

Billing

CPT codes:

82542

Tracking

Date created:

08/10/2022

Review date:

08/12/2022