Test Code Food Screen Food Screen Allergen Panel, Blood
Testing Includes
Panel includes specific IgE for: Tuna, Egg White, Milk, Orange, Peanut, Chicken Meat, Potatoe, Seasame Seed, Soybean, Tomato, and Wheat
Performing Laboratory
St. Louis Children's Hospital
Specimen Requirements
Specimen Type: Blood
Container/Tube
Preferred: Gold/Red SST Vacutainer®
Acceptable: Plain, Red-top Vacutainer®, Lavender-top (EDTA) Vacutainer®, or Light green-top (LiHep) Vacutainer®
Collection Volume: 3.0 mL (minimum1.5 mL)
Patient Preparation: None
Sample Rejection: Mislabeled or unlabeled specimens.
Special Instructions: If outside of SLCH in-patient units, please complete an Allergen Request Form and forward it with the specimen.
Interpretive
Reference Range:
Class | IgE kU/L | Level of Specific IgE Antibody | Interpretation |
0 | <0.35 | Absent | Negative |
1+ | 0.35-0.69 | Low | Equivocal |
2+ | 0.70-3.49 | Medium | Positive |
3+ | 3.50-17.49 | High | Positive |
4+ | 17.50-49.99 | Very High | Strongly positive |
5+ | 50.00-99.99 | Very High | Strongly positive |
6+ | ≥100 | Very High | Strongly positive |
Reference values apply to all ages.
Critical Values: None established
Limitations: NA
Methodology: Sandwich Immunoassay
Test Classification: Tests have been cleared or approved by the U.S. Food and Drug Administration and are used per manufacturer's instructions. Performance characteristics were verified by SLCH in a manner consistent with CLIA requirements.
Additional Information
For SLCH Laboratory use only
Lab Processing instructions: Centrifuge specimen to separate. Aliquot sample into a conical tube and note specimen type on label if other than serum.
Processed Volume: 1.5 mL (minimum 0.7 mL)
Analyte Stability:
Ambient: 24 hours
Refrigerated: 7 days
Frozen: 6 weeks
Notes: Refrigerate overnight and weekends.
Lab Dept
Core Lab
General Information
EPIC Order name: Allergen Food Screen (EPIC Test # LAB1156)
Cerner order name: Food Screen
CPT Codes: 86003x11
LOINC Value: NA
Synonyms:
Logistics
Test Availability: Daily
Turnaround Time: 2-5 days
Test set-up: Monday-Friday
Lab Testing Section: Immunology/Serology
Last Reviewed
November 2024