WBCS count ( Whole blood )

• Uses

1. identify leukopenia and leukocytosis

2. Helpful in diagnosing specific types of illnesses that affect the immune system and the bone marrow.

• Precautions

The medicines you are taking must be known.

• Interfering factors

1. Drugs that may increase WBC counts such as:

Corticosteroids, epinephrine, heparin and lithium.

1. Drugs that may lower your WBC count such as:

Antibiotics, antithyroid drugs, captopril, chemotherapy drugs, istamine-2 blockers and sulfonamides.

• Pre Analytical Errors

1. Write another patient’s name.

2. Gross hemolysis.

3. Contamination from infusion route

• Corrective action

1. Make sure you write the correct name in the report.

2. Rejected sample

• Post analytical errors

1. Failure to report test results.

2. delay in reporting.

• Corrective actions

Review the report before submitting it, but if the report is delivered to the patient must inform him of the right.