Test Code NUTBAR Allergen, Tree Nut Components, IgE
Additional Codes
| PathLab | NUTBAR |
| Epic ID | LAB2457 |
Specimen Requirements
Preferred Collection Container:
SST (Serum Separator)
Also Acceptable Collection Container:
Red (No Additive)
Collection Information:
Collect blood in a SST (Serum Separator). Red (No Additive) also acceptable.
Transport Information:
Centrifuge and aliquot 0.5 mL of serum for every 5 allergens requested into a plastic transport vial. Send refrigerated.
Minimum Sample Volume:
0.5 mL of serum
For 1 allergen: 0.3 mL of serum
For more than 1 allergen: (0.05 mL x number of allergens) + 0.25 mL deadspace
Stability/Transport
| Temperature | Stability | Preferred Transport |
| Refrigerated | 7 days | X |
| Frozen | Indefinitely | |
| Room Temp | < 8 hours |
Performing Lab
Pathology Laboratory
Methodology
Fluorescence Enzyme Immunoassay (FEIA)
Day(s) Performed
Monday-Friday
Report Available
5-7 days
CPT Code Information
86003x5; additional 86003 CPT code may be reflexed
Panel
Includes:
Almond
Brazil Nut; if positive, reflex to Brazil component Ber e 1
Cashew; if positive, reflex to Cashew component Ana o 3
Hazelnut; if positive, reflex to Hazelnut components Cor a 1, Cor a 8, Cor a 9, and Cor a 14
Walnut; if positive, reflex to Walnut components Jug r 1 and Jug r 3