The Comprehensive Metabolic Panel (CMP) is a standardized group of 14 blood tests that provides a broad assessment of metabolic function, including glucose regulation, electrolyte and fluid balance, kidney function, and liver function. It encompasses glucose, calcium, sodium, potassium, bicarbonate, chloride, blood urea nitrogen (BUN), creatinine, total protein, albumin, total bilirubin, alkaline phosphatase (ALP), aspartate aminotransferase (AST), and alanine aminotransferase (ALT). The CMP is one of the most commonly ordered laboratory panels in clinical medicine, used for both screening and monitoring of chronic conditions. Each component of the CMP reflects distinct physiological processes: glucose and electrolytes are tightly regulated by hormonal and renal mechanisms to maintain cellular homeostasis, while BUN and creatinine serve as markers of glomerular filtration and nitrogen metabolism. Liver-derived proteins (albumin, total protein) and enzymes (ALP, AST, ALT, bilirubin) reflect hepatic synthetic function and cellular integrity. Collectively, these analytes provide an integrated snapshot of the body's metabolic, endocrine, and organ-system status.
The comprehensive metabolic panel measures glucose, electrolytes (sodium, potassium, chloride, CO2), kidney markers (BUN, creatinine), liver enzymes (ALT, AST, alkaline phosphatase), bilirubin, albumin, total protein, and calcium. It provides a single-draw assessment of metabolic, hepatic, and renal function.
Elevated fasting glucose is consistent with impaired glucose tolerance or diabetes mellitus. Elevated creatinine or BUN may reflect reduced glomerular filtration. ALT and AST elevations are associated with hepatocellular injury from various causes including viral hepatitis, medication toxicity, or fatty liver disease. Electrolyte imbalances can affect cardiac and neuromuscular function.
Resistance training and high-protein intake are known to transiently elevate AST and ALT due to skeletal muscle turnover, independent of liver pathology. Creatinine levels tend to run higher in individuals with greater muscle mass. Interpreting CMP values in the context of training load and dietary intake is important for distinguishing exercise-related variation from clinical concern.
Turnaround Time
3 days (up to 13 days)
Fasting Required
No
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