Allergen, Alfalfa (Medicago sativa) IgE (FALPE)

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Marshfield Clinic Public WebSite

Test Code: ALALFSO

Overview
Ordering
Specimen
Performing
Clinical/Interpretive
Contacts
Coding

Synonyms/Keywords

Medicago sativa grass FORWARD

Specimen Requirements

Specimen Type	Preferred Container/Tube	Acceptable Container/Tube	Specimen Volume	Specimen Minimum Volume (allows for 1 repeat)	Pediatric Minimum Volume (no repeat)
Serum	Red Top Tube (RTT)	Serum Separator Tube (SST)	0.5 mL	0.5 mL

Collection Processing Instructions

Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 0.5 mL of serum refrigerated in a plastic vial.

Specimen Stability Information

Specimen Type	Temperature	Time
Serum	Refrigerated (preferred)	28 days
	Frozen	365 days
	Ambient	28 days

Rejection Criteria

Hemolysis	Mild OK; Gross reject
Lipemia	Mild OK; Gross reject
Icterus	Mild OK; Gross reject

Performing Laboratory Information

Performing Location	Day(s) Test Performed	Report Available	Methodology/Instrumentation
Mayo Clinic Laboratories	Monday through Friday	1 to 6 days	ImmunoCAP Fluorescence Enzyme Immunoassay (FEIA)

Reference Lab

Mayo Clinic Laboratories

Reference Range Information

Performing Location	Reference Range
Mayo Clinic Laboratories	<0.35 kU/L

Interpretation

Class	IgE (kU/L)	Comment
0	<0.10	Negative
0/1	0.10-0.34	Equivocal/Borderline
1	0.35-0.69	Low Positive
2	0.70-3.49	Moderate Positive
3	3.50-17.49	High Positive
4 5 6	17.50-49.99 50.0-99.99 >99.99	Very High Positive Very High Positive Very High Positive

Outreach CPTs

CPT	Modifier (if needed)	Quantity	Description	Comments
86003		1

Synonyms/Keywords

Medicago sativa grass FORWARD

Ordering Applications

Ordering Application	Description
COM	Allergen, Alfalfa IgE (FALPE)
Cerner	Allergen, Alfalfa, IgE (FALPE)

If the ordering application you are looking for is not listed, contact your local laboratory for assistance.

Specimen Requirements

Specimen Type	Preferred Container/Tube	Acceptable Container/Tube	Specimen Volume	Specimen Minimum Volume (allows for 1 repeat)	Pediatric Minimum Volume (no repeat)
Serum	Red Top Tube (RTT)	Serum Separator Tube (SST)	0.5 mL	0.5 mL

Collection Processing

Draw blood in a plain red-top tube(s), serum gel tube(s) is acceptable. Spin down and send 0.5 mL of serum refrigerated in a plastic vial.

Specimen Stability Information

Specimen Type	Temperature	Time
Serum	Refrigerated (preferred)	28 days
	Frozen	365 days
	Ambient	28 days

Rejection Criteria

Hemolysis	Mild OK; Gross reject
Lipemia	Mild OK; Gross reject
Icterus	Mild OK; Gross reject

Reference Range Information

Performing Location	Reference Range
Mayo Clinic Laboratories	<0.35 kU/L

Interpretation

Class	IgE (kU/L)	Comment
0	<0.10	Negative
0/1	0.10-0.34	Equivocal/Borderline
1	0.35-0.69	Low Positive
2	0.70-3.49	Moderate Positive
3	3.50-17.49	High Positive
4 5 6	17.50-49.99 50.0-99.99 >99.99	Very High Positive Very High Positive Very High Positive

For more information visit:

http://labtestsonline.org

Performing Laboratory Information

Performing Location	Day(s) Test Performed	Report Available	Methodology/Instrumentation
Mayo Clinic Laboratories	Monday through Friday	1 to 6 days	ImmunoCAP 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

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For most current information refer to the Marshfield Laboratory online reference manual.

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26251 Allergen, Alfalfa (Medicago sativa) IgE (FALPE)