Tube Type

Test ID LAB291
CPT Code(s) 85018
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station 30 Routine: 888 STAT
Specimen Routine: Minimum 1.0 mL Blood/lavender top blood collection tube
micro: 0.5 mL blood/lavender top microcollection device
Availability Routine: 24 hours/day
STAT: 24 hours/day
Refrigerated >24 hrs
Turnaround Time 30 minutes STAT; 2 hours routine
Reference Range Normal: See Table (Opens in new window-close to return)
<5 g/dL adults, peds
>20 g/dL 2 weeks to adults

Reviewed by Christopher Parker on March 02, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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