Blood Type & Blood Disorders in California

What this test is

This test identifies your blood type, which is crucial for blood transfusions and other medical procedures. It also screens for various blood disorders that can affect blood cell function.

What it measures

• Blood Type — identifies your ABO and Rh factor
• Hemoglobin — reflects oxygen-carrying capacity
• White Blood Cell Count — indicates immune system status
• Platelet Count — affects blood clotting ability
• Red Blood Cell Count — assesses overall blood health

What the test involves

A standard blood draw is used to collect a sample for testing. The sample is then analyzed in a laboratory setting.

Why it is often ordered

Clinicians typically order this test to determine a person's blood type for transfusion compatibility. It is also used to screen for potential blood disorders that may require further investigation.

Preparation

Preparation instructions should be followed as provided by the lab. Always check with the lab for specific guidelines.

How results are reported

Results will report your blood type and indicate any potential blood disorders. Reference ranges and interpretations vary by laboratory.

Before you go

• Check if fasting is required.
• Verify the lab's operating hours.
• Ensure you have a valid ID for the appointment.