Important Information about Monkeypox from NC-DHHS (5/20/2022) to All North Carolina Clinicians and Laboratorians

Hemoglobinopathy Profile (HB-THAL Profile)

Tube Type

Test ID LAB5176
EPIC Order
CPT Code(s) 83021
Laboratory Special Hematology and Hematopathology
Tube Station 532
Specimen Routine: EDTA Lavender Top Tube (minimum fill volume); See Important Comments
micro: ½-fill EDTA Lavender Top Pediatric Bullet
7 days at 2-8 degrees Celsius
2 days at room temperature
Availability Routine: May be drawn and sent to lab anytime. Test generally performed 2-3 times weekly
STAT: Call Lab (984)974-8322
Turnaround Time Routine 4 days.
Specimens with significant abnormalities not previously confirmed will have confirmatory testing performed on Friday.
Results available by 4:00pm on Friday.
STAT 6 hours
Reference Range NORMAL
%HbA = 95.4-96.9%
%HbA2 = 1.5-3.5%
%HbF = 0.0-1.9%

Draw prior to transfusion.

Specimens with suspected abnormal hemoglobins will have confirmatory hemoglobin electrophoresis and/or sickle cell solubility testing.

Reviewed by Christopher Parker on November 05, 2021

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