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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%
Comment Draw prior to transfusion.

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

Reviewed by jcayless on November 27, 2019

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