Hemoglobinopathy fractionation cascade-13520

Test info

  
Hemoglobinopathy fractionation cascade
  
13520
  
LAB13520
  
HGFRAC
  
Hemoglobin electrophoresis
  
  • Hgb F
  • Hgb A
  • Hgb A2
  • Hgb S

Reflex for Hgb Solubility includes:

  • Hgb C
  • Hgb E
  • Hgb Variant
  

Diagnose thalassemias and hemoglobin variants

Specimen

  
EDTA whole blood
  
  
1.5 mL
  
0.8 mL
  

Immediately following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting

  

Lavender (EDTA), 4mL

  

Refrigerated (preferred) – 7 days

Ambient – 24 hours

Frozen – 3 months

  
  • Clotted specimen
  • Aged specimen
  • Improperly stored blood samples

Performance

  
LabCorp (121690): R-LC
  
Mo - Sa
  
2 - 5 days
  

Capillary electrophoresis (CE)

High-pressure liquid chromatography (HPLC)

Hgb Solubility: Sodium hydrosulfite reduction

Clinical and Interpretive info

  

% (see report for interpretation) 

Billing

  
83020

Additional CPT code(s), if appropriate:
85660 - Hgb solubility
or
83021 - Hgb fractionation by HPLC
or
83021 - Hgb fractionation by HPLC
85660 - Hgb solubility

Tracking

  
03/01/2021
  
03/16/2021
  
03/16/2021