Which site is NOT recommended for phlebotomy?

The site that is not recommended for phlebotomy is the arm on the side of a previous mastectomy and areas where scarring is evident. Choosing an appropriate site for phlebotomy is crucial for both patient safety and obtaining quality samples.

When considering a site on the arm of a previous mastectomy, it is avoided because the lymphatic system may be compromised on that side, which increases the risk of complications such as lymphedema or infection. Therefore, using this area could pose health risks to the patient.

Similarly, drawing blood from areas with evident scarring is not advisable as such areas may lead to difficulties in accessing the vein, an increased likelihood of complications, and potential discomfort for the patient. Scars can often make veins less discernible and could indicate underlying issues such as changes in tissue texture or blood supply, which may affect the procedure’s success.

Thus, both considerations highlight the importance of site selection in performing phlebotomy to ensure patient safety and the effectiveness of the blood draw.