Hemoglobin electrophoresis cascade, blood-994

Test info

  
Hemoglobin electrophoresis cascade, blood
  
994
  
LAB994
  
MSO
  
A2 Hemoglobin
Alpha Globin Variant
Alpha Thalassemia
Barts Hemoglobin
Beta Globin Variant
Beta Thalassemia
H Disease
  
  • Hemoglobin A2
  • Hemoglobin F
  • Hemoglobin Electrophoresis
  

Diagnosis and comprehensive classification of thalassemias and hemoglobin variants

Specimen

  
EDTA whole blood
  

Two (2) Lavender (EDTA), 4mL

 

 

  
10 mL
  
1.0 mL
  

Send specimen in original tube; do not aliquot

  

Two (2) Lavender (EDTA), 4mL

  
ACD-B whole blood
Sodium heparin (Na hep) whole blood
  
  

Yellow ACD-B

Dk green Sodium heparin (Na hep), no gel

 

  

Refrigerated (strict) - 7 days

Ambient - NO

Frozen - NO

  
7 days
Abnormals kept for 14 days

Performance

  
Mayo Clinic Laboratories (HBELC): R-NX
  
Mo - Sa
  
2 - 25 days if structural and/or molecular studies are required
  

A2F: Cation Exchange/High-Performance Liquid Chromatography (HPLC)

HBEL: Capillary Electrophoresis

IEF: Isoelectric Focusing

MASS: Mass Spectrometry (MS)

HPFH: Flow Cytometry

UNHB: Isopropanol and Heat Stability

HBELA: Consultative Interpretation

Clinical and Interpretive info

  

Hemoglobin A

1 - 30 days: 5.9 - 77.2%

1 - 2 months: 7.9 - 92.4%

3 - 5 months: 54.7 - 97.1%

6 - 8 months: 80.0 - 98.0%

9 - 12 months: 86.2 - 98.0%

13 - 17 months: 88.8 - 98.0%

18 - 23 months: 90.4 - 98.0%

≥ 24 months: 95.8 - 98.0%

 

Hemoglobin A2

1 - 30 days: 0.0 - 2.1%

1 - 2 months: 0.0 - 2.6%

3 - 5 months: 1.3 - 3.1%

 

Hemoglobin F

1 - 30 days: 22.8 - 92.0%

1 - 2 months: 7.6 - 89.8%

3 - 5 months: 1.6 - 42.2%

6 - 8 months: 0.0 - 16.7%

9 - 12 months: 0.0 - 10.5%

13 - 17 months: 0.0 - 7.9%

18 - 23 months: 0.0 - 6.3%

≥ 24 months: 0.0 - 0.9%

≥ 6 months: 2.0 - 3.3%

Billing

  
Hemoglobin Electrophoresis Cascade

83020 - Quantitation by electrophoresis
83021 - Quantitation by HPLC

Tracking

  
01/20/2021
  
01/20/2021