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24801 Allergen Johnson Grass, IgE (JOHN)

Allergen Johnson Grass, IgE (JOHN)
Test Code: ALJOHSO
Synonyms/Keywords
​Lab Ref Code:  82900, Holcus halepensis, Sorghum controversum, Sorghum halepense, Sorghum miliaceaum
Useful For
Testing for IgE antibodies may be useful to establish the diagnosis of an allergic disease and to define the allergens responsible for eliciting signs and symptoms.
 
Testing also may be useful to identify allergens which may be responsible for allergic disease and/or anaphylactic episode, to confirm sensitization to particular allergens prior to beginning immunotherapy, and to investigate the specificity of allergic reactions to insect venom allergens, drugs, or chemical aller
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
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​ ​ Refrigerated (preferred)​ ​14 days
​Frozen ​14 days
Rejection Criteria
Hemolysis
Mild OK; Gross OK
Lipemia​
Mild OK; Gross OK
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Mayo Medical Laboratories​ Monday through Friday​
Same day/1 day
​
Fluorescence Enzyme Immunoassay (FEIA)
​
Reference Lab
Mayo Clinic Laboratories
Reference Range Information
Performing Location Reference Range
Mayo Medical Laboratories​ Negative (<0.35 kU/L)​
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86003​ ​ ​ ​ ​
Synonyms/Keywords
​Lab Ref Code:  82900, Holcus halepensis, Sorghum controversum, Sorghum halepense, Sorghum miliaceaum
Ordering Applications
Ordering Application Description
​Centricity ​Allergen, Johnson Grass IgE
​Cerner ​None
​COM ​Allergen, Johnson Grass IgE
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
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​ ​ Refrigerated (preferred)​ ​14 days
​Frozen ​14 days
Rejection Criteria
Hemolysis
Mild OK; Gross OK
Lipemia​
Mild OK; Gross OK
Useful For
Testing for IgE antibodies may be useful to establish the diagnosis of an allergic disease and to define the allergens responsible for eliciting signs and symptoms.
 
Testing also may be useful to identify allergens which may be responsible for allergic disease and/or anaphylactic episode, to confirm sensitization to particular allergens prior to beginning immunotherapy, and to investigate the specificity of allergic reactions to insect venom allergens, drugs, or chemical aller
Reference Range Information
Performing Location Reference Range
Mayo Medical Laboratories​ Negative (<0.35 kU/L)​
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Mayo Medical Laboratories​ Monday through Friday​
Same day/1 day
​
Fluorescence Enzyme Immunoassay (FEIA)
​
Reference Lab
Mayo Clinic Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86003​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.