Testing a CBC is important for several reasons:

1. Health Assessment: It provides a snapshot of your overall health.
2. Detecting Disorders: It can identify conditions like anemia, infections, and blood cancers.
3. Monitoring Health: It helps track existing health issues or responses to treatments.
4. Preoperative Evaluation: It assesses your blood health before surgeries.
5. Detecting Inflammation: It can indicate underlying inflammation or immune system issues.

Overall, it’s a valuable tool for diagnosing and monitoring various medical conditions.