What does a blood film test for?

A blood film examination allows the evaluation of white blood cells (WBCs, leucocytes), red blood cells (RBCs, erythrocytes), and platelets (thrombocytes). These cell populations are produced and mature in the bone marrow and are eventually released into the bloodstream as needed.

Is blood film the same as blood smear?

A blood film—or peripheral blood smear—is a thin layer of blood smeared on a glass microscope slide and then stained in such a way as to allow the various blood cells to be examined microscopically.

What diseases require preparation of blood smear?

A blood smear can be used to help diagnose or check on many conditions, such as:

• Anemia.
• Jaundice.
• Sickle cell disease.
• Thrombocytopenia.
• Malaria.
• Sudden kidney failure.
• G6PD deficiency.
• Certain cancers.

Can a blood smear detect leukemia?

For the peripheral blood smear (sometimes just called a smear), a drop of blood is smeared across a slide and then looked at under a microscope to see how the cells look. Changes in the numbers and the appearance of the cells often help diagnose leukemia.

What kind of test is a blood film?

Other names: Peripheral Blood Film; Manual Differential; Peripheral Blood Smear; Red Blood Cell Morphology A blood film test (commonly known as a blood smear) allows doctors to assess the makeup of the blood; the test allows doctors to estimate the number of red blood cells, white blood cells and platelets. When is the test used?

How does a peripheral blood film test work?

A peripheral blood film examination is a snapshot of the cells that are present in the blood at the time that the sample is obtained. To create a blood film, a single drop of blood is spread in a thin layer across a glass slide, dried, and then stained with a special dye.

Can a blood film be prepared on a full blood count?

A blood film was once prepared on nearly everyone who had a full blood count (FBC). With the automated blood cell counting instruments currently used, an automated differential is also provided.

Can a blood film be used to diagnose WBCs?

However, if the presence of abnormal WBCs, RBCs or platelets is suspected, a blood film, examined by a trained eye, is still the best method for identifying immature and abnormal cells. There are many diseases, disorders and deficiencies that can have an effect on the number and type of blood cells produced, their function and their lifespan.