Bromocresol Green Protein Electrophoresis (BCG Protein Electrophoresis)

What Does This Test Measure?

Bromocresol Green Protein Electrophoresis separates blood proteins based on their size and charge. Different protein fractions (such as albumin, globulins, and other proteins) move at varying speeds, creating distinct bands on a gel. This helps identify any abnormal protein patterns that may indicate conditions like protein disorders or chronic inflammation.

Why Might This Test Be Ordered?

Your healthcare provider may order this test if you have symptoms or conditions linked to abnormal protein levels, such as kidney disease, liver disease, multiple myeloma, or other protein-related disorders. It can also be part of a broader evaluation for unexplained swelling, fatigue, or other systemic symptoms.

Sample Collection and Preparation

A blood sample is drawn from a vein, typically in your arm. The blood is then processed to separate the serum or plasma, which is analyzed using the bromocresol green electrophoresis method. This process usually takes place in a laboratory.

What to Expect Before the Test

There are no special preparations needed for this test. However, inform your healthcare provider if you are taking any medications, especially those that may affect protein levels or blood clotting.