Haemoglobin Free Plasma Colorimetry Blood Plasma
What is this test?
The presence of free hemoglobin in plasma is an indication of intravascular hemolysis resulting from numerousconditions, among which include Paroxysmal Nocturnal Hemoglobinuria (PNH), Sickle-Cell Disease (SCD), Thalassemias, Hereditary Spherocytosis, Microangiopathic Hemolytic Anemias, Pyruvate Kinase Deficiency, ABO Mismatch Transfusion Reaction, Cardiopulmonary Bypass or Mechanical Heart Valve-induced Anemia.
Test Preparation
Inform your doctor if you are on any medications, have any allergies or underlying medical conditions before your Haemoglobin Free Plasma Colorimetry Blood Plasma. Your doctor will give specific instructions depending on your condition on how to prepare for Haemoglobin Free Plasma Colorimetry Blood Plasma.
Plasma collected in: Lithium heparin (green-top) tube. Centrifuge plasma within 1 hour of collection.
Understanding your test results
| Gender | Age groups | Value |
| UNISEX | All age groups | <8.4 mg/dL |