What is Clinical Laboratory Testing? — A Patient’s Guide

A clinical laboratory test is a reliable tool that includes a mammoth of tests and procedures relating to colossal of diseases, infections, and other health condition. But have you ever wondered how these clinical laboratory testing procedures are performed?

What do you mean by laboratory tests?

A Clinical laboratory testing refers to a procedure in which a diagnostic test is performed under controlled environmental conditions with the use of appropriate machines, supplies and equipment, by a qualified physician or a lab technician. The tests are typically done on the samples that are collected from the patients. These include — blood sample, urine and stool sample, large lesion cut out of the body, tissue or other substances which may prove to be beneficial in examining the presence of a particular disease, infection or a health condition targeted.

Most clinical lab tests today, are performed on computerised testing machines or with the help of special health kits that carry lab testing ‘chemicals of controlled quality’ so that it can provide accurate and reliable lab test results.

An accurate clinical laboratory testing process defines an array of parameters depending upon the requirements of the tests. These are as follows:-

• Look for changes in the health condition of the patient.

• Detect the presence of a disease or infection.

• Help lay out a proper plan to treat a health condition.

• Evaluate the condition of a patient undergoing a treatment process.

• Study the course of a condition or disease over a period of time.

What are the common types of lab tests?

There are an infinite number of clinical laboratory testing processes that are performed in a lab each day against a mammoth of diseases, infections, and conditions. However, there are some diagnostic tests that are performed more often than the rest. Some of them include –

• Hemoglobin A1C,

• Diabetes Test,

• Complete blood count test ,

• Thyroid Function Test,

• Liver Function Test,

• Kidney Function Test,

• Cardiovascular blood tests,

• Autoimmune Disease Test,

• Serum Iron Test,

• Serum Vitamin Assays,

• Sexually Transmitted Disease Blood (STD) Test ,

• Fibrinogen,

• Prostate-Specific Antigen,

• Drug Assays,

• Urology Test,

• Tissue Histology,

• Biopsies against Cancer Detection,

• X-ray and Image scanning tests and much more.

In the above mentioned list, Urine and blood laboratory tests are most common. This is because a small amount of urine and blood have the ability to provide the most vital information against the presence of external factors such as microbes, etc. Both of the tests help to detect the problem in the efficient manner.

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