Basic Metabolic Panel (BMP)


CPT Code: 80048
Test Includes: BUN; BUN:creatinine ratio; calcium, serum; carbon dioxide; chloride, serum; creatinine, serum; eGFR calculation; glucose, serum; potassium, serum; sodium, serum
Specimen: Serum (preferred) or plasma
Volume: 1 mL
Minimum Volume: 0.5 mL (Note: This volume does not allow for repeat testing.)
Container: Gel-barrier tube (send entire tube) is preferred. Red-top tube or green-top (heparin) tube is acceptable.
Collection: Draw blood in a gel-barrier tube and centrifuge. If red-top tube or green-top tube is used, centrifuge within 45 minutes of draw, remove the serum or plasma, and place in a transport tube and tightly stopper the tube.
Storage Instructions: Refrigerate



Temperature Period
Room temperature 14 days
Refrigerated 14 days
Frozen 14 days
Freeze/thaw cycles Stable x3


 Patient Preparation: Patient should fast for 12 hours preceding collection of specimen.
 Methodology: See individual tests.