Test Directory

Test Code
G6PD
Test Name
Glucose-6-Phosphate Dehydrogenase
CPT Codes
82955
Expected Turnaround Time
1 - 4 days
Clinical Utility

Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most common enzyme deficiency in the world, affecting an estimated 400 million people worldwide. It is more common in people of African, Mediterranean, and Asian descent.Quantitative Glucose-6-Phosphate Dehydrogenase is an assay that measures the G6PD enzyme level. A low value may indicate G6PD deficiency (as opposed to values either within or above the reference range).

Specimen and Container Info

Specimen Type: Whole Blood

Preferred Collection Container: Lavender Top (EDTA)

Alternate Collection Container: Royal Blue Top (EDTA)

Desired Specimen Volume: 1 mL

Collection Instructions
  1. Collect a lavender top (EDTA) tube via venipuncture.
Processing and Submission Instructions
  1. Transport 1 mL of whole blood in the original collection container.
  2. Do not aliquot.
Transport Instructions

Transport to the laboratory refrigerated. 

Stability Requirements

Room Temperature

48 hours

Refrigerated

7 days

Methodology
Kinetic
Reference Intervals

See patient report.

Alternate Names
  • Glucose-6-Phosphate Dehydrogenase, Quantitative
Reference Lab
Quest Diagnostics Nichols Institute
Testing Schedule
Monday-Friday