Mumps, PCR, Swab

CPT: 87798
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Expected Turnaround Time

3 days

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Specimen Requirements


Buccal swab


One swab

Minimum Volume

One swab


Viral Transport Media (VTM) or Universal Transport Media (UTM)


Collect a buccal swab specimen by massaging the parotid gland for 30 seconds. Using a synthetic swab, collect the sample by sweeping the swab between the cheek and gum from the upper molar to the lower molar for 10-15 seconds, while turning the swab. Sweep both sides with a single swab and place the swab into the VTM or UTM tube. Ensure the VTM or UTM tube is capped tightly to avoid leakage.

Storage Instructions

Refrigerated or frozen

Stability Requirements




7 days


14 days

Causes for Rejection

Improperly submitted specimens including specimens not received in an approved VTM/UTM; swabs received in Liquid Amies (E-Swabs) or other bacterial swabs; specimens received without a swab; grossly leaking specimens and specimens received outside the stated stability

Test Details


The Mumps Virus PCR test is used to confirm mumps infection in patients with compatible symptoms of mumps infection, including parotitis. Samples for Mumps Virus PCR should be collected as soon as practical after symptom onset.


A negative test does not rule out infection with mumps virus. Results should be interpreted in conjunction with clinical findings, and if required, serological testing. Specimens should be collected as soon as possible after the onset of symptoms to maximize the sensitivity of mumps virus detection. Improperly collected samples may result in false negative results. PCR assays may be impacted by viral variants and may result in reduced sensitivity or false negative results.

This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.


Polymerase Chain Reaction (PCR)


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
140283 Mumps, PCR, Swab 47532-7 140284 Mumps RNA 47532-7

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