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Test Code
HGEL
Test Name
Hemoglobinopathy Screen
CPT Codes
83021
Included Tests
  • Hemoglobin A1 Region
  • Hemoglobin A2 Region
  • Hemoglobin F Region
  • Hemoglobin S Region
  • Hemoglobin C Region
  • Interpretation
  • Citrate Agar Confirmation
Expected Turnaround Time
5 - 7 days
Clinical Utility
For characterization of hemoglobin variants.
Specimen and Container Info

Preferred Specimen Type: Whole Blood

Desired Specimen Volume: 4 mL

Preferred Collection Container: Lavender Top (EDTA)
Transport Instructions

Transport refrigerated. 
Stability Requirements

Room Temperature

Specimens may be stored up to 24 hours at room temperature before analysis.

Refrigerated

7 days
Methodology
High Performance Liquid Chromatography (HPLC)
Reference Intervals

Hemoglobin A1 Region: 70.0 - 90.0%

Hemoglobin A2 Region: 1.5 - 4.0%

Hemoglobin F Region: 70.0 -84.0%

Hemoglobin S Region: 0.0%

Hemoglobin C Region: 0.0% 
Performing Location
Roble Road Core Laboratory
Testing Schedule
Routine, Monday - Friday no holidays
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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