Sign in →

Test Code Alpha gal (Alpha gal) Galactose-alpha-1, 3-galactose

Useful For

Aid in diagnosis of an IgE mediated allergy to non-primate mammalian red meat, such as beef, pork, venison, and meat-derived products. 

Patient Preparation

No special preparation required. 

Collection Method

Venous collection

Minimum Volume

1 mL 

Container

Gold Top Serum Separator

Preferred Specimen

Serum

Acceptable Specimens

Serum:

  • Gold Top SST
  •  
  • Red Top

Reference or Target Ranges

  • <0.1 – Class O – Absent
  • 0.10 – 0.34 – Class 0/1 – for specialist use only, clinical relevance undetermined
  • 0.35 – 0.69 – Class 1 – Low
  • 0.70 – 3.49 – Class 2 – Medium
  • 3.5 – 17.49 – Class 3 – High
  • 17.5 – 49.99 – Class 4 – Very high
  • 50 – 100 – Class 5 – Very high
  • >100 – Class 6 – Very high

Reportable Units

kUA/L (kilo unit of allergen-specific IgE per liter)

Critical Value

None defined for this assay.

Reasons for Rejection

Hemolysis Threshold N/A
Icterus Threshold N/A
Lipemia Threshold N/A
Other QNS, contaminated, improperly labled, improper specimen type. Other reasons deemed appropriate by qualified laboratorians. 

Specimen Stability

Ambient N/A
Refrigerated (2°C to 8°C) 7 Days
Frozen(<-20°C to 0°C) Indefinite

Performance Information

Days and Time Performed Monday – Friday 8 AM – 4:30 PM
Expected Turn Around Time Within 3 days of arrival in lab
Stat Availabilty No
Performing Bench Special Chemistry
Methodology/Method Description ImmunoCap 250 – Enzyme linked immunoassay (ELIA)

Additional Information/Important Notes

Total IgE is included with this orderable. 

CPT Codes

86008 and 82785