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Mayo Clinic Laboratories

Test Code CFAP ALLERGEN PANEL, CHILDHOOD FOOD, SERUM

Additional Codes

Software Test Code
Label Text CFAP
EPIC LAB10204

Performing Laboratory

NorDx Laboratories

Useful For

Establishing the diagnosis of an allergic disease and defining the allergens responsible for eliciting signs and symptoms.

Panel includes: IgE, Total, Almond (F20C), Brazil nut (F18), Cashew nut (F202C), Cod (F3C), Egg white (F1C), Egg yolk (F75C) Hazelnut/Filbert (F17), Lobster (F80C), Milk, cow (F2C), Peanut (F13C), Pecan nut (F201C), Shrimp (F24C), Soybean (F14C), Walnut (Juglans) (F256C), and Wheat (F4C)

The multiallergen IgE antibody test, combined with measurement of IgE, Total in serum, is a very sensitive first-order test for allergic disease. Positive results indicate a high probability of allergic disease induced by one or more allergens present in the multiallerggen panel. Negative results effectively rule out allergy, except in rare cases of allergic disease induced by exposure to a single allergen.

Method Name

ImmunoCAP® Fluorescence Enzyme Immunoassay (FEIA)

Reference Values

ALLERGEN SPECIFIC IGE:

< 0.10 kU/L : Undetectable (Normal)

0.10-0.34 kU/L: For specialist use only: Clinical Relevance Undetermined

0.35-0.69 kU/L: Low level of allergy, indicative of ongoing sensitization

0.70-3.49 kU/L: Moderate level of allergy, indicative of stronger ongoing sensitization

3.5-17.49 kU/L: High level of allergy, indicative of high level sensitization

17.5-49.9 kU/L: Very high level of allergy, indicative of very high level sensitization

50-99.9 kU/L: Very high level of allergy, indicative of very high level sensitization

≥ 100 kU/L: Very high level of allergy, indicative of very high sensitization

 

CONCENTRATION (kU/L) RESULTS EQUIVALENT TO ALTERNATIVE SCORING METHOD:

CLASS 0: <0.22

CLASS 0/1: 0.22-0.31

CLASS 1: 0.31-0.55

CLASS 2: 0.55-1.4

CLASS 3: 1.4-3.9

CLASS 4: 3.9-19

CLASS 5: 19-100

CLASS 6: >100

Days and Times Test Performed

Monday through Friday

Report Available

1 Day

Specimen Type

Serum

Preferred Container

Serum Separator Tube (SST)

Preferred Volume

Serum: 2 mL (Serum Separator Tube (SST))

Minimum Volume

Serum: 1.5 mL (Serum Separator Tube (SST))

Specimen Collection and Handling

Spin specimen, separate from clot and send refrigerated.

Specimen Stability Information

Specimen Type: Serum

Frozen: 3 Months

Refrigerated: 7 Days

Must be spun/separated within: 2 Hours

Note: Avoid freeze/thaw cycles

Add On Capable

Yes

Advance Beneficiary Notice Requirements

This test, when ordered on Medicare patients, is subject to the National Coverage Determination (NCD) policies. Please verify that the diagnosis code (ICD code) you have chosen demonstrates medical necessity for the test as documented in the physician’s patient record. The CMS web site is available to assist you with this verification. A properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen if medical necessity is not demonstrated by the ICD code chosen.

CPT Code Information

CPT Code

CPT Description

CPT Disclaimer

82785 Gammaglobulin (Immunoglobulin); IgE, Quantitative  
86003 x15 Allergen Specific IgE, Quantitative or Semiquantitative, Crude Allergen Extract, Each  

Performing Laboratory Location

NorDx Laboratories

Profile Information

Individual Test Description

ALMOND IGE
BRAZIL NUT IGE
CASHEW NUT IGE
CODFISH IGE
EGG WHITE IGE
EGG YOLK IGE
HAZELNUT IGE
IGE, TOTAL
LOBSTER IGE
MILK, COW IGE
PEANUT IGE
PECAN NUT IGE
SHRIMP IGE
SOYBEAN IGE
WALNUT JUGLANS IGE
WHEAT IGE

Keywords

ALLERGEN-MULTIPLE

ALLERGENS

Acceptable Alternative Container(s)

Red Top Tube

Green Top Tube (Sodium Heparin) – This container/specimen type is only acceptable with departmental approval. Do not use for routine sample collection and analysis.