Browse Categories
Diagnostics & Lab Reports
Browse alphabetically or find an entry using Search.
Advanced Search — Refine Results
RAST (Radioallergosorbent) TestDiagnostics & Lab Reports · Blood Test
Test Purpose & Procedure
A RAST (Radioallergosorbent test, a blood test to detect specific allergies) measures the amount of IgE antibodies your body produces in response to specific allergens (like pollen, dust mites, or pet dander). No fasting is required. A standard blood draw is performed.
Safety & Precautions
SAFE routine test. It is a good alternative for people who cannot undergo skin prick allergy tests.
When to Seek Medical Advice
Discuss the results with an allergist to identify specific triggers and develop an avoidance or treatment plan.
My Reading Checklist
These boxes track reading only; they do not represent treatment steps or medical clearance. Checklist selections are not sent to our server.
Red Blood Cell (RBC) CountDiagnostics & Lab Reports · Blood Test
Test Purpose & Procedure
Measures the number of RBCs (cells that carry oxygen throughout the body) in a blood sample. It is part of a standard Complete Blood Count (CBC). No fasting is required. A standard blood draw (venipuncture, drawing blood from a vein) is performed.
Safety & Precautions
SAFE routine test. CAUTION: Minor bruising at the needle site is normal.
When to Seek Medical Advice
If the count is low (anemia) or high (polycythemia), consult your doctor to determine the underlying cause.
My Reading Checklist
These boxes track reading only; they do not represent treatment steps or medical clearance. Checklist selections are not sent to our server.
Red Blood Cell (RBC) MorphologyDiagnostics & Lab Reports · Blood Test
Test Purpose & Procedure
Examines RBC morphology (the study of the size, shape, and structure of red blood cells) under a microscope to identify abnormalities. It is often part of a Complete Blood Count (CBC) with a manual smear review. No fasting is required. A standard blood draw is performed.
Safety & Precautions
SAFE routine test.
When to Seek Medical Advice
If abnormal shapes (like sickle cells or tear-drop cells) are found, consult a hematologist to diagnose specific types of anemia or blood disorders.
My Reading Checklist
These boxes track reading only; they do not represent treatment steps or medical clearance. Checklist selections are not sent to our server.
Renal Scan (DTPA / MAG3)Diagnostics & Lab Reports · Imaging
Test Purpose & Procedure
A nuclear medicine test that uses a small amount of radioactive tracer (a safe substance that shows how organs function) injected into a vein to evaluate renal (relating to the kidneys) blood flow, function, and drainage. You will be asked to drink plenty of water before the test.
Safety & Precautions
SAFE imaging test. The radiation dose is very low and leaves the body quickly.
When to Seek Medical Advice
Discuss the results with a nephrologist or urologist to evaluate kidney blockages, scarring, or function before surgery.
My Reading Checklist
These boxes track reading only; they do not represent treatment steps or medical clearance. Checklist selections are not sent to our server.
Rheumatoid Factor (RF) QuantitativeDiagnostics & Lab Reports · Blood Test
Test Purpose & Procedure
Measures the exact amount of Rheumatoid Factor (an antibody that can mistakenly attack healthy tissue, often seen in autoimmune diseases) in the blood. No fasting is required. A standard blood draw is performed.
Safety & Precautions
SAFE routine test.
When to Seek Medical Advice
If the result is positive and high, consult a rheumatologist to evaluate for rheumatoid arthritis or Sjögren's syndrome.
My Reading Checklist
These boxes track reading only; they do not represent treatment steps or medical clearance. Checklist selections are not sent to our server.
Rheumatoid Factor (RF) TestDiagnostics & Lab Reports · Blood Test
Test Purpose & Procedure
Detects RF (an antibody that can mistakenly attack healthy tissue, often seen in autoimmune diseases). No fasting is required. A standard blood draw is performed.
Safety & Precautions
SAFE routine test.
When to Seek Medical Advice
If the result is positive, consult a rheumatologist to evaluate for rheumatoid arthritis or other autoimmune conditions.
My Reading Checklist
These boxes track reading only; they do not represent treatment steps or medical clearance. Checklist selections are not sent to our server.
RPR (Rapid Plasma Reagin) TestDiagnostics & Lab Reports · Blood Test
Test Purpose & Procedure
An RPR (Rapid Plasma Reagin, a screening test for syphilis) detects non-specific antibodies that the body produces in response to a syphilis infection. No fasting is required. A standard blood draw is performed.
Safety & Precautions
SAFE routine test.
When to Seek Medical Advice
If the result is reactive (positive), consult your doctor for a confirmatory treponemal test and immediate antibiotic treatment if confirmed.
My Reading Checklist
These boxes track reading only; they do not represent treatment steps or medical clearance. Checklist selections are not sent to our server.