Interpreting laboratory tests can be challenging because many factors influence test results.The nurse understands that:

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Interpreting laboratory tests requires considering multiple factors such as the patient's medical history, current medications, fluid and electrolyte imbalances, and other laboratory values. No single lab test can reliably indicate nutritional deficiencies, so a combination of tests and clinical assessment is necessary. Serum albumin is an indicator of protein status but it can be affected by other factors such as inflammation and hydration status. Serum values of vitamins and minerals can provide some insight into a patient's nutritional status but they are not definitive and need to be interpreted in the context of other information. Interpreting laboratory tests requires considering multiple lab values in conjunction with the patient's clinical history, physical exam and dietary intake. No one lab value is an indicator of nutritional deficiencies, so a comprehensive evaluation is necessary.

Interpreting Laboratory Tests Can Be Challenging Because Many Factors Influence