Laboratory tests
Overview of laboratory tests in medicine
Laboratory tests are medical procedures that involve testing samples of blood, urine, or other tissues or substances in the body. These tests help doctors diagnose diseases, plan or evaluate treatments, and monitor diseases over time.
Types of Laboratory Tests[edit]
Laboratory tests can be categorized into several types based on their purpose and the type of sample used:
- Blood tests: These tests analyze a sample of blood to assess various health indicators, such as CBC, blood glucose, and cholesterol levels.
- Urinalysis: This test examines urine for signs of disease, such as urinary tract infections or kidney disease.
- Biopsy: A procedure that involves taking a small sample of tissue for examination under a microscope to diagnose conditions like cancer.
- Microbiological culture: This test involves growing microorganisms from a sample to identify infections.
- Genetic testing: Analyzes DNA to identify genetic disorders or predispositions to certain diseases.
Common Laboratory Tests[edit]
Some of the most common laboratory tests include:
- Complete blood count (CBC): Measures the levels of different cells in the blood, such as red blood cells, white blood cells, and platelets.
- Basic metabolic panel (BMP): Tests for substances in the blood, such as electrolytes, glucose, and calcium.
- Liver function tests: Assess the health of the liver by measuring levels of enzymes and proteins in the blood.
- Thyroid function tests: Evaluate the function of the thyroid gland by measuring levels of thyroid hormones.
Interpreting Laboratory Test Results[edit]
Interpreting the results of laboratory tests requires understanding the normal ranges for each test and how they apply to the individual patient. Factors such as age, sex, and medical history can influence test results.
Importance of Laboratory Tests[edit]
Laboratory tests are crucial in modern medicine as they provide objective data that can confirm or rule out medical conditions. They are essential tools for preventive health care, diagnosis, and management of diseases.
See Also[edit]
References[edit]
External Links[edit]
Ad. Transform your health with W8MD Weight Loss, Sleep & MedSpa

Tired of being overweight?
Special offer:
Budget GLP-1 weight loss medications
- Semaglutide starting from $29.99/week and up with insurance for visit of $59.99 and up per week self pay.
- Tirzepatide starting from $45.00/week and up (dose dependent) or $69.99/week and up self pay
✔ Same-week appointments, evenings & weekends
Learn more:
- GLP-1 weight loss clinic NYC
- W8MD's NYC medical weight loss
- W8MD Philadelphia GLP-1 shots
- Philadelphia GLP-1 injections
- Affordable GLP-1 shots NYC
|
WikiMD Medical Encyclopedia |
Medical Disclaimer: WikiMD is for informational purposes only and is not a substitute for professional medical advice. Content may be inaccurate or outdated and should not be used for diagnosis or treatment. Always consult your healthcare provider for medical decisions. Verify information with trusted sources such as CDC.gov and NIH.gov. By using this site, you agree that WikiMD is not liable for any outcomes related to its content. See full disclaimer.
Credits:Most images are courtesy of Wikimedia commons, and templates, categories Wikipedia, licensed under CC BY SA or similar.
Translate this page: - East Asian
中文,
日本,
한국어,
South Asian
हिन्दी,
தமிழ்,
తెలుగు,
Urdu,
ಕನ್ನಡ,
Southeast Asian
Indonesian,
Vietnamese,
Thai,
မြန်မာဘာသာ,
বাংলা
European
español,
Deutsch,
français,
Greek,
português do Brasil,
polski,
română,
русский,
Nederlands,
norsk,
svenska,
suomi,
Italian
Middle Eastern & African
عربى,
Turkish,
Persian,
Hebrew,
Afrikaans,
isiZulu,
Kiswahili,
Other
Bulgarian,
Hungarian,
Czech,
Swedish,
മലയാളം,
मराठी,
ਪੰਜਾਬੀ,
ગુજરાતી,
Portuguese,
Ukrainian