Test Name: COMPREHENSIVE METABOLIC PANEL (CMP) with A/G RATIO and BUN/CREAT RATIO
Test Code: 2128989
Alias: CMP
LAB9653
CPT Code(s): 80053  
Test Includes:

Glucose, Urea Nitrogen (BUN), Creatinine, Sodium (Na), Potassium (K), Chloride (CL), Carbon Dioxide (CO2), Anion Gap, Calcium, Total Protein, Albumin, AST (SGOT), ALT (SGPT), Alkaline Phosphatase, Total Bilirubin, GFR (African Americans), GFR (Others), A/G Ratio, BUN/Creatinine Ratio

Preferred Specimen:

2.0 mL serum
Container: SST (gold)
Alternate Container:

Lithium heparin (light green)
Minimum Volume: 0.3 mL serum 
This volume does not allow for repeat testing.
Collection Instructions:

Patient should fast 8 hours prior to collection unless instructed differently by a physician.

Allow specimen to completely clot (this can take up to 60 minutes). Centrifuge for 15 minutes. 
Transport Temperature: Refrigerated
Stability:

Room Temperature: 24 hours

Refrigerated: 3 days
Rejection Criteria:

Hemolysis

EDTA Plasma
Schedule: Set up: Daily; Results in 24-48 hours
Method: Refer to individual tests.
Clinical Significance: The tests in a Comprehensive Metabolic Panel (CMP) are used as a broad screening tool to evaluate kidney and liver function, electrolyte and acid-base balance, as well as blood sugar and protein levels.
Use: Updated 4/12/2023
Reference Ranges: Refer to individual tests.

The CPT codes included in this publication are in accordance with Current Procedural Terminology, a publication of the American Medical Association. CPT codes are provided here for the convenience of our clients; however, correct coding often varies from one carrier to another, and HealthLab may bill specific carriers using codes other than those shown. Clients who bill for services should verify the code(s) with the applicable payor to confirm that their use is appropriate in each case.
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