| Ordering Code | 6820 | 
|---|---|
| Test Name | Tomato (f25) IgE | 
| Alias | f25 | 
| Preferred Specimen | Serum | 
| Preferred Container | SST (Red-Gray) | 
| Other Specimen/Container | Plasma in EDTA, K2 (Lavender), Plasma in Sodium Heparin (Green), Serum in Plain (Red) SST (Gold) | 
| Optimum Volume | 4 mL (Up to 40 Allergens) | 
| Collection Instructions | Draw a full 8 mL TT SST for up to 40 allergens; a second TT for 41-80; a third TT if more. | 
| Handling Instructions | >40 Allergens, add another tube in Antrim Order Entry Grid. | 
| Transport Requirements | Oahu: Refrigerated Airline: Refrigerated | 
| Specimen Stability | Ambient: 8 Hours Refrigerated: 7 Days Frozen: 3 Months | 
| Rejection Criteria | Grossly hemolyzed, Insufficient quantity, Specimen older than stability limits, Avoid repeated freezing and thawing, Do NOT use frost-free freezers | 
| Avail. Stat | NO | 
| Analytic Time | Up to 3 Days | 
| Methodology | Fluorescent Enzyme Immunoassay (FEIA) | 
Reference range(s)
The reference ranges listed below are valid on this date of October 31, 2025.
      | Component | Age | Male Norm | Male Critical Low | Male Critical High | Female Norm | Female Critical High | Female Critical Low | Units | Add'l info | 
|---|---|---|---|---|---|---|---|---|---|
| Tomato (f25) IgE | ALL | kU/L | See report. | ||||||
| Class | ALL | See report. | |||||||
| Allergen Specific IgE | ALL | See report. |