BODY FLUID ANALYSIS

What this test checks

Detailed analysis of fluid drained from the chest, belly, joint, or other cavity — cells, protein, sugar, appearance, and microscopic exam.

Why do people get this test?

Identifies the cause of fluid build-up — infection, heart/liver disease, cancer, or other causes.

When you should consider this test

• Fluid drained from body cavity
• Pleural or peritoneal effusion
• Joint fluid evaluation

How to prepare

Performed on fluid your doctor has collected.