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Laboratory Medicine

Test catalogue

Glucose-6-Phosphate Dehydrogenase (G6PD)

Test Name

Glucose-6-Phosphate Dehydrogenase (G6PD)

Lavender Tube Microtainer Tube Specimen Type / Requirements

Container Type = Lavender

Minimum Venous Volume (Lavender) = 1 mL whole blood

Minimum volume (Pink Microtainer tube) = 250┬ÁL whole blood.

Specimen Handling

Collection Instructions: Collect sample in a lavender top and send to core lab. Sample should be well mixed at time of collection to prevent platelet clumping. Write your initials, date and time of collection on the collection label.

Stability: 24 hours room temperature 48 hours refrigrated.

Transportation: Transport at room temperature within 1 hour of collection.

Sample Rejection Criteria: Clotted sample, frozen sample, unlabeled or samples of non qufficient quantity (NSQ).

Required Documentation

Turnaround Time (TAT)


Test Utilization

Reference Value

Normal:> 7.0 U/g Hb

Indeterminate:< 4.0-7.0 U/g Hb

Deficient:< 4.0 U/gHb:

Test Code




Testing Location


Other Information

Last Updated: February 21, 2020