🔬 What is the Test?
The Adenosine Deaminase (ADA) Fluid Test measures the level of ADA enzyme in body fluids (such as pleural, peritoneal, or cerebrospinal fluid). ADA is an enzyme involved in immune system function, and its levels can help diagnose tuberculosis (TB) infections, especially in pleural effusions (fluid around the lungs).
📊 Normal Ranges:
Pleural Fluid: < 40 U/L
Peritoneal Fluid: < 33 U/L
Cerebrospinal Fluid (CSF): < 10 U/L
Higher levels may indicate TB or other infections (Ranges may vary by laboratory.)
🎯 Purpose of the Test:
✅ Detects tuberculosis (TB) in pleural, peritoneal, or CSF fluid
✅ Differentiates TB from other causes of fluid buildup (effusions)
✅ Assists in diagnosing certain autoimmune diseases and cancers
✅ Helps evaluate unexplained fluid accumulation
🩺 When is it Recommended?
🔹 Patients with unexplained pleural, peritoneal, or CSF fluid buildup
🔹 Suspected cases of tuberculosis (especially extra-pulmonary TB)
🔹 Individuals with fever, chest pain, cough, or fluid-related symptoms
🔹 To rule out other infections or malignancies
📝 How is the Test Done?
A sample of fluid (pleural, peritoneal, or CSF) is collected via thoracentesis, paracentesis, or lumbar puncture.
The fluid is analyzed for ADA enzyme activity.
High ADA levels suggest TB or other infections, while low levels may indicate a non-infectious cause.
⚠️ What Do Abnormal Results Mean?
📉 Low ADA Levels:
Not suggestive of TB
May indicate heart failure, malignancies, or other non-infectious causes
📈 High ADA Levels:
Strongly suggests TB infection
May also be elevated in lymphoma, bacterial infections, or autoimmune diseases
🔍 Infographic Design Idea:
Medical-themed colors (blue, red, and white)
Illustration of fluid collection (pleural, peritoneal, and CSF)
Flowchart showing high vs. low ADA interpretations
Table summarizing normal and abnormal results