What is the most common ordered venipuncture procedure?

The most commonly ordered venipuncture procedure is a blood test. This is primarily because blood tests are essential for diagnosing and monitoring a wide range of health conditions. Healthcare providers frequently request various blood tests to assess organ function, evaluate the presence of disease, measure levels of certain substances in the blood, and monitor the effectiveness of therapies.

Blood tests can include complete blood counts, metabolic panels, lipid panels, and many others that provide critical information about a patient's health status. Given that these tests are fundamental to routine medical care and are often the first step in ongoing patient assessment, their high frequency makes blood testing the most common reason for venipuncture procedures.

In contrast, procedures such as blood transfusions and IV fluid administration are typically performed less frequently and are often dictated by specific clinical situations rather than as standard practice. Diagnostic imaging, while vital in patient care, doesn't involve venipuncture and therefore isn't relevant in this context.