Glucose-6-Phosphate Dehydrogenase (G6PD)
Order Name
G6PD
Test Number: 2003750
Revision Date 04/17/2024
Test Number: 2003750
Revision Date 04/17/2024
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Glucose-6-Phosphate Dehydrogenase (G6PD)
|
Kinetic Spectrophotometric | 32546-4 |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | Two 4.5 mL (Two 0.5mL) | Whole Blood | EDTA (Lavender Top) | Refrigerated |
| Instructions | Notes: Hemoglobin: Two 4.5 mL EDTA or 0.5mL lavender-top Microtainer(TM) tubes filled to at least 50% of tube capacity. (Note: If any other size lavender tube is used, the tube must be filled to at least 50% capacity of tube fill volume. Insufficient volume may limit the extent of procedures performed); and G6PD: one lavender-top (EDTA) tube, green-top (heparin) tube or yellow-top (ACD) tube (0.1 mL) whole blood Specimen Type: Two lavender-top (EDTA) tubes or one green-top (heparin) tube AND one lavender-top (EDTA) tube or one yellow-top (ACD) tube AND one lavender-top (EDTA) tube Specimen Storage: Hemoglobin: Stable room temperature for 1 day or refrigerated for 72 hours.G6PD: Stable room temperature for 72 hours or refrigerated for seven days. Specimen Collection: Not Available Specimen Stability: Ambient: Not Available, Refrigerated : Not Available, Frozen: Not Available |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 2-4 days after set-up |
| Clinical Use | Useful for evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia. To help exclude inherited deficiency. 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 Labcorp Test Code | 121003 |
| CPT Code(s) | 85018, 82955 |
| Lab Section | Reference Lab |