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Effective Jan. 5, 2026: Temporary Age-Based Visitor Restrictions at UNC Health for all inpatient and waiting areas throughout its inpatient hospitals.

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CMP: Comprehensive Metabolic Panel

Tube Type = Mint Green Plasma Separator Tube

Tube Type

Includes: Sodium, Potassium, Chloride, CO2, BUN, Creatinine, Glucose, Calcium, Albumin, Total Protein, Total Bilirubin, AST, ALT, and Alkaline Phosphatase

Test ID LAB17
EPIC Order COMPREHENSIVE METABOLIC PANEL
CPT Code(s) 80053
Group/Individual Test Group
Laboratory Core Laboratory
Tube Station Routine 30; STAT 888
Specimen Routine: 1 mL blood/green lithium heparin gel tube. Also acceptable gold SST, orange SST, or red plain tube
Micro: 500 µL blood/mint green top bullet/gold top/red top
Stability Unspun: 2 hours recommended
Spun/Separated,
Room Temp:
≤6 hrs recommended
Spun/Separated,
Refrigerated:
3 days
Frozen: 7 days
Availability Routine: 24 hours/day
STAT: Yes
Turnaround Time STAT 1 hr., Routine 2 hrs.
Reference Range Normal: See individual tests for reference ranges.
Critical: See individual tests for reference ranges.

Reviewed by J. Carr on January 13, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514