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22693 Measles Immune Status

Measles Immune Status
Test Code: MEASLEI
Synonyms/Keywords
​Rubeola Antibody​
Useful For
This test qualitatively determines immune status for Measles virus to aid in identifying nonimmume individuals for consideration of vaccination.  The test does include the numerical "Antibody Index (AI)" result. 
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) ​ 1.0 mL​ 0.5 mL​ 0.5 mL​
Collection Processing Instructions

​Separate serum from cells within 2 hours of collection.

Specimen Stability Information
Specimen Type Temperature Time
Serum​ ​ Refrigerate​ 7 days​
Frozen​ > 7 days​
Rejection Criteria
Gross hemolysis
Gross lipemia​
​Gross icterus
Plasma​ samples
​Heat activated sera
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday 1 day
 Multiplex Immunoassay/Biorad Bioplex 2200​
Test Information
​This test uses a multiplex flow fluorescence immunoassay to detect IgG-class antibodies directed against measles virus.
Reference Range Information
Performing Location Reference Range
Marshfield ​

Negative

Interpretation

Reported as Positive, Equivocal or Negative

Positive:  AI > or = 1.1, Equivocal:   AI > 0.9 and < 1.0, Negative:  AI < or = 0.8   ​​

T​his test is to be used only to establish serological status to measles virus. The​ reported AI value is for reference only.​  

A positive test result may be due to immunization or natural infection. A positive test has a high correlation with, but does not guarantee, immunity to measles. 

A negative test result indicates a lack of antibody to the measles virus, marking the individual as a candidate for vaccination.

An equivocal result for this test indicates some reactivity of the individual's blood to the components of this test, but serological status cannot be determined.  In such cases the patient may be retested once to detect sero-conversion; alternatively, vaccination may be considered.

Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86765 ​ ​ ​ ​ ​
Synonyms/Keywords
​Rubeola Antibody​
Ordering Applications
Ordering Application Description
​Cerner ​Measles (Rubeola) Immune Status
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) ​ 1.0 mL​ 0.5 mL​ 0.5 mL​
Collection Processing

​Separate serum from cells within 2 hours of collection.

Specimen Stability Information
Specimen Type Temperature Time
Serum​ ​ Refrigerate​ 7 days​
Frozen​ > 7 days​
Rejection Criteria
Gross hemolysis
Gross lipemia​
​Gross icterus
Plasma​ samples
​Heat activated sera
Useful For
This test qualitatively determines immune status for Measles virus to aid in identifying nonimmume individuals for consideration of vaccination.  The test does include the numerical "Antibody Index (AI)" result. 
Reference Range Information
Performing Location Reference Range
Marshfield ​

Negative

Interpretation

Reported as Positive, Equivocal or Negative

Positive:  AI > or = 1.1, Equivocal:   AI > 0.9 and < 1.0, Negative:  AI < or = 0.8   ​​

T​his test is to be used only to establish serological status to measles virus. The​ reported AI value is for reference only.​  

A positive test result may be due to immunization or natural infection. A positive test has a high correlation with, but does not guarantee, immunity to measles. 

A negative test result indicates a lack of antibody to the measles virus, marking the individual as a candidate for vaccination.

An equivocal result for this test indicates some reactivity of the individual's blood to the components of this test, but serological status cannot be determined.  In such cases the patient may be retested once to detect sero-conversion; alternatively, vaccination may be considered.

For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Marshfield​ Monday through Friday 1 day
 Multiplex Immunoassay/Biorad Bioplex 2200​
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
86765 ​ ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.