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Renal Function Panel
Test Code10314
CPT Codes
80069
Includes
Albumin, BUN/Creatinine Ratio (calculated), Calcium, Carbon Dioxide, Chloride, Creatinine, eGFR (calculated), Glucose, Phosphate (as Phosphorus), Potassium, Sodium, Urea Nitrogen (BUN)
Preferred Specimen
1 mL serum collected in a serum separator tube (SST)
Patient Preparation
Overnight fasting is preferred
Minimum Volume
0.5 mL
Other Acceptable Specimens
Spun SST tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 72 hours
Refrigerated: 72 hours
Frozen: 28 days
Refrigerated: 72 hours
Frozen: 28 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Moderate to gross hemolysis • Red-top tube (no gel) unspun and not separated from cells • Unspun serum separator tube (SST)
Methodology
Ion Selective Electrode (ISE) • Spectrophotometry (SP)
Setup Schedule
Set up: Daily; Report available: 1 day
Reference Range
See individual tests
Clinical Significance
This panel is usually ordered to monitor patients with chronic kidney disease (CKD) or as part of a health examination for individuals at high risk of developing kidney diseases [1].
Kidney disease is more likely to develop in individuals with certain conditions, such as high blood pressure, diabetes, heart disease, and a family history of kidney disease. Early symptoms of kidney diseases are often non-specific. This panel is commonly ordered during wellness checks and emergency-room admissions when symptoms and signs are suggestive of kidney diseases. National Kidney Foundation recommends a kidney profile containing estimated glomerular filtration rate and albumin-creatinine ratio for detecting and monitoring CKD [1].
The results of this test should be interpreted in the context of pertinent clinical and family history and physical examination findings.
References
1. Laboratory engagement plan: transforming kidney disease detection. National Kidney Foundation Laboratory Engagement Advisory Group. Published February 2018. Accessed January 6, 2022. https://www.ascp.org/content/docs/default-source/get-involved-pdfs/istp-ckd/laboratory-engagement-plan.pdf
Kidney disease is more likely to develop in individuals with certain conditions, such as high blood pressure, diabetes, heart disease, and a family history of kidney disease. Early symptoms of kidney diseases are often non-specific. This panel is commonly ordered during wellness checks and emergency-room admissions when symptoms and signs are suggestive of kidney diseases. National Kidney Foundation recommends a kidney profile containing estimated glomerular filtration rate and albumin-creatinine ratio for detecting and monitoring CKD [1].
The results of this test should be interpreted in the context of pertinent clinical and family history and physical examination findings.
References
1. Laboratory engagement plan: transforming kidney disease detection. National Kidney Foundation Laboratory Engagement Advisory Group. Published February 2018. Accessed January 6, 2022. https://www.ascp.org/content/docs/default-source/get-involved-pdfs/istp-ckd/laboratory-engagement-plan.pdf
