C-Reactive Protein

Tube Type = Mint Green Plasma Separator Tube

Tube Type

Test ID LAB149
EPIC Order C-REACTIVE PROTEIN
CPT Code(s) 86140
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station STAT: 888; Routine: 30
Specimen Routine: 2 mL blood/green lithium heparin gel tube. Also acceptable gold SST or red plain tube
Micro: 300µL blood/mint green top bullet/gold top/red top
Stability Unspun: <4 hours recommended
Spun/Separated,
Room Temp:		 8 hours
Spun/Separated,
Refrigerated:		 ≤3 days
Spun/Separated,
Frozen:		 6 months
Availability 24 hours / day
Turnaround Time STAT 1 hour; Routine 2 hours
Reference Range Normal: ≤10.0 mg/L
Comments This is not the high-sensitivity method. Order HSCRP for high-sensitive CRP test.

Reviewed by J. Carr on January 13, 2026

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