Alert

Hemoglobin

Tube Type

Test ID LAB291
EPIC Order HEMOGLOBIN
CPT Code(s) 85018
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station 30 Routine: 888 STAT
Specimen Routine: Blood/lavender EDTA tube; Minimum 1.0 mL
Micro: 0.5 mL blood/lavender EDTA microtainer 
Availability Routine: 24 hours/day
STAT: 24 hours/day
Stability
 Refrigerated 24 hrs
Turnaround Time Routine: 2 hrs 
  STAT: 30 mins
Reference Range Normal: See Table (Opens in new window-close to return)
Critical
 <5 g/dL adults, peds
>20 g/dL 2 weeks to adults

Reviewed by J. Carr on November 25, 2025

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