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26090 Allergen IgE, Anise (ANSE)

Allergen IgE, Anise (ANSE)
Test Code: ALANSSO
Synonyms/Keywords
Aniseed, Pimpinella anisum, Sweet Alice, Sweet Cumin
Useful For

Establishing the diagnosis of an allergy to anise

Defining the allergen responsible for eliciting signs and symptoms 

Identifying allergens:

- Responsible for allergic disease and/or anaphylactic episode

- To confirm sensitization prior to beginning immunotherapy

- To investigate the specificity of allergic reactions to insect venom allergens, drugs, or chemical allergens

Testing for IgE antibodies is not useful in patients previously treated with immunotherapy to determine if residual clinical sensitivity exists, or in patients in whom the medical management does not depend upon identification of allergen specificity.

Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Red Top Tube (RTT) ​Serum Separator Tube (SST) ​0.5 mL ​0.3 mL ​
Collection Processing Instructions
For 1 allergen: 0.3 mL; For more than 1 allergen: (0.05 mL x number of allergens) + 0.25 mL dead space.
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​Refrigerate (preferred) ​14 days
​Frozen ​90 days
Interference

Some individuals with clinically insignificant sensitivity to allergens may have measurable levels of IgE antibodies in serum, and results must be interpreted in the clinical context.

False-positive results for IgE antibodies may occur in patients with markedly elevated serum IgE (>2500 kU/L) due to nonspecific binding to allergen solid phases.

Performing Laboratory Information
Performing Location Day(s) Test Performed Report Available Methodology/Instrumentation
​Mayo Clinic Laboratories ​Monday through Friday ​1 to 3 days ​Fluorescence Enzyme Immunoassay (FEIA)
Reference Lab
Mayo Clinic Laboratories
Reference Range Information
Performing Location Reference Range
​Mayo Medical Laboratories ​
Class
IgE kU/L
Interpretation
0
<0.35
Negative
1
0.35-0.69
Equivocal
2
0.70-3.49
Positive
3
3.50-17.4
Positive
4
17.5-49.9
Strongly positive
5
50.0-99.9
Strongly positive
6
> or =100
Strongly positive
Reference values apply to all ages.
Interpretation

Detection of IgE antibodies in serum (Class 1 or greater) indicates an increased likelihood of allergic disease as opposed to other etiologies and defines the allergens that may be responsible for eliciting signs and symptoms.

The level of IgE antibodies in serum varies directly with the concentration of IgE antibodies expressed as a class score or kU/L.

Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​86003 ​ ​1 ​ ​
Synonyms/Keywords
Aniseed, Pimpinella anisum, Sweet Alice, Sweet Cumin
Ordering Applications
Ordering Application Description
​Cerner ​Allergen, Anise, IgE (ANSE)
​COM ​Allergen IgE, Anise  (ANSE)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Fasting Required Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
​No ​Serum ​Red Top Tube (RTT) ​Serum Separator Tube (SST) ​0.5 mL ​0.3 mL ​
Collection Processing
For 1 allergen: 0.3 mL; For more than 1 allergen: (0.05 mL x number of allergens) + 0.25 mL dead space.
Specimen Stability Information
Specimen Type Temperature Time
​Serum ​ ​Refrigerate (preferred) ​14 days
​Frozen ​90 days
Interference

Some individuals with clinically insignificant sensitivity to allergens may have measurable levels of IgE antibodies in serum, and results must be interpreted in the clinical context.

False-positive results for IgE antibodies may occur in patients with markedly elevated serum IgE (>2500 kU/L) due to nonspecific binding to allergen solid phases.

Useful For

Establishing the diagnosis of an allergy to anise

Defining the allergen responsible for eliciting signs and symptoms 

Identifying allergens:

- Responsible for allergic disease and/or anaphylactic episode

- To confirm sensitization prior to beginning immunotherapy

- To investigate the specificity of allergic reactions to insect venom allergens, drugs, or chemical allergens

Testing for IgE antibodies is not useful in patients previously treated with immunotherapy to determine if residual clinical sensitivity exists, or in patients in whom the medical management does not depend upon identification of allergen specificity.

Reference Range Information
Performing Location Reference Range
​Mayo Medical Laboratories ​
Class
IgE kU/L
Interpretation
0
<0.35
Negative
1
0.35-0.69
Equivocal
2
0.70-3.49
Positive
3
3.50-17.4
Positive
4
17.5-49.9
Strongly positive
5
50.0-99.9
Strongly positive
6
> or =100
Strongly positive
Reference values apply to all ages.
Interpretation

Detection of IgE antibodies in serum (Class 1 or greater) indicates an increased likelihood of allergic disease as opposed to other etiologies and defines the allergens that may be responsible for eliciting signs and symptoms.

The level of IgE antibodies in serum varies directly with the concentration of IgE antibodies expressed as a class score or kU/L.

For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Report Available Methodology/Instrumentation
​Mayo Clinic Laboratories ​Monday through Friday ​1 to 3 days ​Fluorescence Enzyme Immunoassay (FEIA)
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​86003 ​ ​1 ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.