Skip Ribbon Commands
Skip to main content
Sign In

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

Allergen, Alfalfa (Medicago sativa) IgE (FALPE)
Test Code: ALALFSO
Synonyms/Keywords

​Medicago sativa grass FORWARD

Specimen Requirements
Specimen TypePreferred Container/TubeAcceptable Container/TubeSpecimen VolumeSpecimen 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 TypeTemperatureTime
​Serum​Refrigerated (preferred)​28 days
​Frozen​365 days
​Ambient​28 days
Rejection Criteria
HemolysisMild OK; Gross reject
LipemiaMild OK; Gross reject
IcterusMild OK; Gross reject
OtherNA
Performing Laboratory Information
Performing LocationDay(s) Test PerformedAnalytical TimeMethodology/Instrumentation
​Mayo Clinic Laboratories​Monday through Friday​1-2 days​Fluorescence Enzyme Immunoassay (FEIA)
Reference Lab
Reference Range Information
Performing LocationReference 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
CPTModifier
(if needed)
QuantityDescriptionComments
​86003​1
Synonyms/Keywords

​Medicago sativa grass FORWARD

Ordering Applications
Ordering ApplicationDescription
​COM​Allergen, Alfalfa IgE
​Cerner​Allergen, Alfalfa, IgE (FALPE)
​Centricity​Allergen, Alfalfa, Ige (FALPE)
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen TypePreferred Container/TubeAcceptable Container/TubeSpecimen VolumeSpecimen 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 TypeTemperatureTime
​Serum​Refrigerated (preferred)​28 days
​Frozen​365 days
​Ambient​28 days
Rejection Criteria
HemolysisMild OK; Gross reject
LipemiaMild OK; Gross reject
IcterusMild OK; Gross reject
OtherNA
Reference Range Information
Performing LocationReference 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:
Performing Laboratory Information
Performing LocationDay(s) Test PerformedAnalytical TimeMethodology/Instrumentation
​Mayo Clinic Laboratories​Monday through Friday​1-2 days​Fluorescence Enzyme Immunoassay (FEIA)
Reference Lab
For billing questions, see Contacts
Outreach CPTs
CPTModifier
(if needed)
QuantityDescriptionComments
​86003​1
For most current information refer to the Marshfield Laboratory online reference manual.