Receiving laboratory reports can sometimes feel overwhelming due to specialized medical terminology and numerical ranges. Understanding what these figures represent empowers you to take charge of your wellness journey. What are Reference Ranges? Reference intervals represent the statistical norm derived from healthy populations. Having a value slightly outside the reference range does not necessarily indicate disease; it serves as a clinical marker for physician correlation. Key Parameters Decoded: - Hemoglobin: Oxygen-carrying protein in red blood cells. - White Blood Cells (WBC): Immune defense cells that increase during inflammation or bacterial infection. - Serum Creatinine: Key marker of renal filtration efficiency. - SGPT / ALT: Enzymes that indicate hepatic cellular integrity. Always review abnormal findings with a certified physician who can correlate numbers with your unique clinical context.