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Test Code BLOD0531 Renal Function Panel


Profile Information:
Albumin Creatinine*
Anion Gap Glucose, Fasting
Blood Urea Nitrogen (BUN) Phosphorus
Calcium Potassium
Carbon Dioxide (CO2 ) Sodium

* Includes estimated glomerular filtration rate (eGFR) calculation for all patients 18 years and older.

Performing Laboratory

Bozeman Health Laboratory Services

Specimen Requirements

Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL 
Collection Instructions:

1. Do not uncap tube once specimen is drawn.

2. Protect specimen from light.

3. Avoid hemolysis.

4. Label specimen as plasma or serum.

5. Forward promptly.

Additional Information: Hemolyzed specimen may give incorrectly elevated potassium results. Intracellular potassium concentration is 30-fold to 50-fold greater than that of extracellular serum or plasma.

Specimen Transport Temperature


Specimen Stability


Specimen Type Temperature Time
Plasma or Serum Ambient 8 hours
  Refrigerated 3 days
  Frozen 1 month


Reference Values

See individual test listings.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding