A client with chronic renal disease is admitted for evaluation prior to a surgical procedure. Which laboratory value is most relevant to assess nutritional status?

• A. Serum albumin
• B. Creatinine
• C. Potassium
• D. Hemoglobin

Answer: (A)

Nutritional status directly influences healing and recovery after surgery, and in chronic renal disease protein-energy malnutrition is a common risk factor. Serum albumin serves as a strong indicator of visceral protein stores and overall protein reserves, which are crucial for wound healing and immune function. A low serum albumin level signals inadequate protein intake or depleted protein stores and is associated with higher postoperative complications and longer recovery, making it the most relevant single lab to assess nutritional status in this setting.

Creatinine reflects kidney function and muscle mass, not nutritional status itself. Potassium is an electrolyte important for many body processes but does not measure nutrition. Hemoglobin shows anemia status, which can be affected by renal disease and iron or folate status, but it does not directly gauge overall nutrition.