Glucose-6-Phosphate Dehydrogenase,(G-6-PD), Quantitative

Test Code
500

CPT Codes
82955

Preferred Specimen
1 mL whole blood collected in an EDTA (lavender-top) tube

Minimum Volume
0.5 mL

Other Acceptable Specimens
Whole blood collected in an EDTA (royal blue-top) tube

Instructions
Please note: Will determine hemoglobin level.

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: Unacceptable

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

Methodology
Kinetic

Setup Schedule
Set up: Mon-Fri a.m.; Report available: Next day

Reference Range
7.0-20.5 U/g Hgb

Clinical Significance
G-6-PD is the most common enzyme deficiency in the world. Newborns with G-6-PD may have prolonged and more pronounced neonatal jaundice than other newborns. Older individuals are subject to hemolytic anemia that can be induced by some foods, drugs, and infections.

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



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.