Galactokinase, Blood

Test Code

1628

CPT Codes
82759

Preferred Specimen

4 mL whole blood collected in an EDTA (lavender-top) tube

Minimum Volume

2 mL

Other Acceptable Specimens

Whole blood collected in sodium or lithium heparin (green-top) tube, or ACD solution (yellow-top) tube

Instructions

New York clients: Informed consent is required. Please document on the request form or electronic order that a copy is on file.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 72 hours
Refrigerated: 10 days
Frozen: Unacceptable

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Gross hemolysis • Grossly lipemic

Methodology
Enzyme Reaction followed by Liquid Chromatography- Tandem Mass Spectrometry

FDA Status
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.

Setup Schedule

Tuesday Morning
Report available: 8 Days

Reference Range

See Laboratory Report

Clinical Significance

Diagnosis of galactokinase deficiency

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.