Alert

CK-MB

Tube Type = Mint Green Plasma Separator Tube

Tube Type

Includes Total CK

Test ID LAB63
EPIC Order CK TOTAL AND CK MB
CPT Code(s) 82550, 82553
Group/Individual Test Group
Laboratory Rex Laboratory (via Referral Testing)
Tube Station Routine: 30
Specimen Routine: 4mL blood/green lithium heparin tube / gold SST tube also acceptable
Micro: 1 mL blood/mint green microtainer/gold SST, red plain microtainers also acceptable
Stability

Spun/Separated:
Refrigerated: 48 hours
Frozen: 3 days
Availability 24 hrs/day
Reference Range Normal: ≤5.0 ng/mL
Comments

Reviewed by J. Carr on December 03, 2025

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