Serum free hemoglobin test

What is a Serum Free Hemoglobin Test?

A serum free hemoglobin test is a laboratory test used to measure the amount of hemoglobin in the blood serum or plasma. Hemoglobin is a protein found in red blood cells that carries oxygen throughout the body. When the amount of hemoglobin in the serum is higher than normal, it can indicate a number of medical conditions, including anemia, dehydration, and blood disorders.

Preparing for the Test

There is no special preparation required for this test. Patients should carry out their regular activities and diet and keep hydrated before the test. Patients should inform the doctor about any medications they are taking before the test.

Procedure of the Test

A serum free hemoglobin test is performed using a small sample of blood taken from a vein in the arm. The blood sample is placed in a sample tube and sent to the laboratory for analysis. Results can usually be ready within a few days.

Types of Serum Free Hemoglobin Tests

There are two types of serum free hemoglobin tests available: the point-of-care test and the laboratory test. Point-of-care tests are done at the patient's bedside and provide results within minutes. The laboratory test is sent to a laboratory for analysis and provides more accurate results.

Risks of the Test

The serum free hemoglobin test is low risk procedure. The risk of infection due to the needle stick is very low. Patients may experience some minor discomfort at the site of the needle.

Why the Test is Performed?

The serum free hemoglobin test is used to diagnose and monitor many medical conditions such as anemia, kidney disease, and certain types of cancers. It is also used to determine if a person is dehydrated.

When the Test is Performed?

The serum free hemoglobin test is usually performed when other tests have shown abnormal results or if a physician suspects a person may have a medical condition such as anemia, kidney disease, or cancer. It is also used to monitor the treatment of these conditions.