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Measles virus RNA

Item Value
Approval req'd? Patient's physician must discuss the case and receive approval for submission of specimens from the SF Department of Public Health Communicable Disease Control Unit (415) 554-2830.
Available Stat? No
Test code P319
Test group Measles
Performed by State Viral & Rickettsial Disease Lab
Sendout? Yes
Method PCR, serology, culture (if indicated)
Collection Instructions Patient's physician must complete Viral & Rickettsial Disease Specimen Submittal Form.

Click here for form together with a routine laboratory requisition requesting this test.

Collect nasopharyngeal swab for PCR within 7 days after rash onset.

Collect urine for PCR within 10 days after rash onset. Measles can frequently be detected in the urine later in the infection (up to 10 days - sometimes longer) when it can no longer be detected in respiratory samples.
Container type Universal Transport Medium
Urine cup
Gold top
Amount to Collect
Nasopharyngeal flocked swab x1
Urine 80 mL
Blood 4 mL
Sample type Nasopharyngeal flocked swab
Random urine
Preferred volume
Nasopharyngeal flocked swab x1
Urine 80 mL
Serum 2 mL
Min. Volume
Nasopharyngeal flocked swab x1
Urine 10 mL
Serum 1 mL
UCSF Rejection Criteria Nasopharyngeal swab not collected using flocked swab and/or not submitted in Universal Transport Medium
Processing notes Centrifuge Gold top. Refrigerate samples and send to microbiology refrigerated. Specimen is sent out by Microbiology.
Normal range No virus detected
Synonyms Rubeola
Stability Refrigerated 2 days.
Turn around times
PCR 1 week
Culture 3 weeks
Additional information The PCR results should always be interpreted in conjunction with serologic testing for IgM and IgG and thorough assessment of the relevant clinical and epidemiological risk factors.
Last Updated 8/7/2014 9:56:40 AM
Entry Number 1434
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