What Is Lab Testing?
Lab testing refers to the analysis of biological samples such as blood, urine, saliva, or tissue to help diagnose, monitor, or screen for medical conditions. These tests provide critical information about a person’s health by measuring various substances, cells, or markers that indicate normal or abnormal function. Lab testing can detect infections, assess organ function, evaluate risk factors for diseases, and monitor the effectiveness of treatments. Because many conditions don’t show obvious symptoms early on, lab tests play a vital role in early diagnosis and preventative healthcare.
There are many types of lab tests, each designed for specific purposes from routine blood work like complete blood counts and cholesterol panels to more specialized tests such as hormone levels, genetic screenings, or cultures for infections. Samples are collected using sterile techniques and analyzed using advanced equipment in certified laboratories. Results help healthcare providers make informed decisions about diagnosis, treatment plans, and ongoing care. Lab testing is a cornerstone of modern medicine, enabling personalized and precise approaches to maintaining health and managing disease.
