Published: 30 Sep 2024

Importance of Blood Test Analysis

With the prevalence of various health concerns and chronic diseases diagnosed and monitored through blood tests, regular bloodwork is of immense importance. This screening serves as a foundational step towards understanding your overall health and can initiate further paths for wellness.

# Reference Ranges

Laboratories typically provide reference ranges that indicate the values observed in 95% of individuals within a predefined "reference" group. This means that even among healthy individuals, 5% of test results will fall outside these ranges (one in 20).

Reference ranges are derived mathematically by calculating the average value and accounting for natural variations (plus or minus two standard deviations from the mean). This is why "reference range" is preferred over "normal range."

# Variability Across Populations

It's crucial to recognize that "normal" values can vary substantially across different populations. For certain tests, such as cholesterol, the concept of a normal range has been largely replaced with target values that require either lifestyle modifications or medical interventions.

# Interpreting Your Results

While it's essential to consider your test results relative to the laboratory reference range, they should also be evaluated within the context of your individual circumstances. Your doctor will take into account your medical history, current medications, and any other relevant examinations.