Search our extensive Laboratory Test Directory to find test codes, ordering recommendations, specimen stability information, Test Fact Sheets, and more.
Recommendations when to order or not order the test. May include related or preferred tests.
Aid in the diagnosis of measles encephalitis. False positive results are possible and it is recommended that testing only be performed in individuals with known exposure.
New York DOH Approval Status
Indicates whether a test has been approved by the New York State Department of Health.
Testing is not New York state approved. Specimens from New York clients will be sent out to a New York state-approved laboratory.
Specimen Required
Patient PreparationInstructions patient must follow before/during specimen collection.
CollectSpecimen type to collect. May include collection media, tubes, kits, etc.
CSF.
Specimen PreparationInstructions for specimen prep before/after collection and prior to transport.
Transfer 0.5 mL CSF to an ARUP standard transport tube. (Min: 0.2 mL) New York State Clients: 1 mL (Min: 0.075 mL)
Storage/Transport TemperaturePreferred temperatures for storage prior to and during shipping to ARUP. See Stability for additional info.
Refrigerated. Also acceptable: Frozen. New York State Clients: Refrigerated
Unacceptable ConditionsCommon conditions under which a specimen will be rejected.
Bacterially contaminated, heat-inactivated, hemolyzed, or xanthochromic specimens.
RemarksAdditional specimen collection, transport, or test submission information.
StabilityAcceptable times/temperatures for specimens. Times include storage and transport time to ARUP.
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month New York State Clients: Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 1 month
Expected turnaround time for a result, beginning when ARUP has received the specimen.
1-5 days
Reference Interval
Normal range/expected value(s) for a specific disease state. May also include abnormal ranges.
Test Number
Components
Reference Interval
Measles, Rubeola, Antibody IgM CSF
Less than 1:2
Interpretive Data
May include disease information, patient result explanation, recommendations, or details of testing.
The detection of antibodies to rubeola in CSF may indicate central nervous system infection. However, consideration must be given to possible contamination by blood or transfer of serum antibodies across the blood-brain barrier.
Less than 1:2
Negative: No evidence of recent infection. False-negative results are possible if the specimen was collected too soon after exposure.
1:2 or greater
Positive: Indicative of recent primary measles infection.
The American Medical Association Current Procedural Terminology (CPT) codes published in ARUP's Laboratory Test Directory are provided for informational purposes only. The codes reflect our interpretation of CPT coding requirements based upon AMA guidelines published annually. CPT codes are provided only as guidance to assist clients with billing. ARUP strongly recommends that clients confirm CPT codes with their Medicare administrative contractor, as requirements may differ. CPT coding is the sole responsibility of the billing party. ARUP Laboratories assumes no responsibility for billing errors due to reliance on the CPT codes published.
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
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