Cerebrospinal fluid (CSF) is a clear bodily fluid that cushions and protects your brain and spinal cord. A CSF protein test involves taking a fluid sample from your spinal column using a needle. This ...

Plasma protein tests are blood tests that detect the amount of proteins in the blood. This lab work is usually ordered as part of a comprehensive metabolic panel (CMP) during a physical exam. The ...

The total protein test is a urine or blood test that assesses protein levels in the body. Age, diet, and other factors can affect the results. Atypical levels may be a sign of inflammation, liver ...