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Alias Names: CMP / Chem Screen / Comp metabolic panel
Methodology: Indirect Potentiometry / Colorimetry / Enzymatic Rate
Edit Date: 7/15/2009
Components: Alanine Aminotransferase (ALT) / Albumin / Alkaline Phosphatase / Aspartate Aminotransferase (AST) / Bilirubin, Total / Calcium (Ca) / Carbon Dioxide (CO2) / Chloride (Cl) / Creatinine / Globulin /Glucose / Potassium (K) / Protein, Total / Sodium (Na) / Urea Nitrogen (BUN)
Performed: Daily
Released: Same day
CPT Code: 80053
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 4 mL green top tube (heparin) or one 4.5 mL light green plasma separator tube (PST). Preferred specimen is from patient fasting 8-12 hours; non-fasting specimen is acceptable. Do not draw from a limb receiving an intravenous insfusion. Patient should avoid exercising forearm before collection, which can cause an increase in potassium level.
Handling: Centrifuge SST or PST within 2 hours of collection and transport in original tube. Centrifuge green top tube within 2 hours of collection and separate plasma into a plastic tube for transport. Refrigerate.
Stability: 6 days refrigerated.
Standard Volume: 2 mL serum or plasma.
Minimum Volume: 1 mL serum or plasma.
Transport: Refrigerated.
Rejection Criteria: Gross hemolysis; specimen left in contact with cells for more than 3 hours; tubes other than those specified.

Reference Range:
Sodium 135-145 mEq/L
Potassium 3.5-5.2 mEq/L
Chloride 95-109 mEq/L
CO2 Content <18 years: 20-28 mEq/L; > 18 years: 22-31 mEq/L
Glucose 70-99 mg/dL
BUN 8-20 mg/dL
Creatinine Male: 0.9-1.3 mg/dL; Female: 0.6-1.1 mg/dL
Protein, Level 6.2-8.4 g/dL
Albumin 3.5-5.0 g/dL
Globulin 2.2-3.6 g/dL
Calcium 8.6-10.2 mg/dL
Bilirubin, Total 0.1-1.2 mg/dL
Alkaline Phosphatate (Adult) 30-110 IU/L
ALT Male: 17-63 IU/L; Female: 14-54 IU/L; Unknown: 14-63 IU/L
AST 15-41 IU/L

PeaceHealth Laboratories