Unidentified Cells in Blood (Qualitative)

Doctors may order this test to check for abnormal cells, to look into symptoms you have been having, or to follow up on an earlier result. It helps your health care team understand what may be causing a problem and decide on the right next steps for your care.

Your healthcare provider may order this test if you have symptoms like fatigue, unexplained bruising, frequent infections, or other signs of a blood disorder. It could also be part of a routine checkup or follow-up for conditions like anemia, leukemia, or immune system disorders.

The test is usually done in your provider's office and takes only a few minutes. Your provider collects a small sample of cells from the area being examined, and the sample is sent to a laboratory where a specialist examines the cells under a microscope for anything unusual.

A blood sample is drawn from a vein, usually in your arm. The sample is then examined under a microscope by a lab technician to identify and count any abnormal cells. This process does not involve a specific numeric result but rather a qualitative assessment.

Abnormal cells can develop for many reasons, including infections, irritation or inflammation, hormonal changes, or growths such as polyps. In some cases, they may be an early sign of precancerous changes, which is why your provider may recommend additional testing or a follow-up visit.

Abnormal cells can appear due to infections (such as bacterial or viral), blood cancers (like leukemia or lymphoma), genetic disorders, or autoimmune diseases. Chronic conditions like anemia or liver disease may also lead to unusual cell types.

During the test, you may feel mild pressure or brief cramping, but discomfort is usually minimal. Light spotting is common afterward and typically goes away within a day or two. Most people return to their normal activities right away, and your provider will let you know if any special care is needed.

You may experience mild discomfort or bruising at the injection site, but this usually fades quickly. There are no specific preparations needed, but inform your provider about any medications or conditions that could affect the results.