Glucose-6-phosphate dehydrogenase (G6PD) Test

Glucose-6-phosphate dehydrogenase (G6PD) test is a blood test that measures the level of the enzyme G6PD in the blood. G6PD is important for the proper function of red blood cells.

Pre-test preparation: There is no specific preparation required for a G6PD test.

Testing method: A small sample of blood is taken from a vein in your arm and sent to a laboratory for analysis.

Common symptoms that may prompt your doctor to order a G6PD test include: jaundice (yellowing of the skin and eyes), anemia (low red blood cell count), and dark urine.

Diagnosis: G6PD deficiency is a genetic disorder that can cause red blood cells to break down prematurely, leading to anemia. The test is used to diagnose G6PD deficiency and to monitor treatment for the condition.

Reference range: The reference range for G6PD activity in the blood varies from laboratory to laboratory, but typically ranges from 4.0 – 13.0 units/g Hb.

Normal values may vary depending on the laboratory that performs the test.

Medical disclaimer: The information provided is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding a medical condition. It is important to follow the instructions given by your doctor or the laboratory performing the test. It is also important to note that G6PD deficiency can be life-threatening if not properly managed, so it is important to work closely with your doctor if you have been diagnosed with the condition.