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Viral and rickettsial disease Laboratory

​Test Order
​​Mumps Virus - Serology​

Information Category Information Detail
Pre-Approval None
Supplemental Information Requested Requested: Travel history, disease onset date, symptoms, mumps vaccination history, contacts to known case(s)
Submittal Form Specimens must be accompanied with a hard copy of the completed VRDL General Purpose Specimen Submittal Form​ (PDF)​​ or a form generated in the VRDL Lab Web Portal.​
Methodology IFA: IgG and IgM (LDT) (Diagnostic)
Reflex Testing None
Acceptable Specimen Type(s) and Collection Method Human specimens:
  • Serum: 
    • ​Serum Separator Tubes (SST): SST may be transported after centrifugation
    • Plain Red-Top Tubes: Serum collected in plain, red-top tubes must be separated and transferred to sterile, screw-cap tubes for storage and transport.

  • Plasma: Plasma may be separated from EDTA (lavender top) Whole Blood Tubes and transferred to sterile, screw-cap tubes for storage and transport.
Minimum Volume Requested
Serum or Plasma: 1 mL
Whole b​lood in serum separator tubes: 3-5 mL
Transport Medium (if using)
 Not Applicable
Specimen Labeling Each specimen tube must be labeled with at least two unique patient identifiers, e.g., patient full name and date of birth.
Storage & Preservation of Specimen / Shipping Conditions
  • Separated Serum or Plasma: freeze or refrigerate specimens promptly after collection.
  • Whole blood: refrigerate specimens promptly after collection. Do not freeze whole blood.​

Ship refrigerated specimens to VRDL on cold packs. Ship frozen specimens to VRDL on dry ice.
Shipping Instructions

Work with your local public health department to ensure samples are packaged according to instructions for Biological Substance – Category B (UN 3373) shipment.

Ship specimens and a hard copy of the completed submittal forms to: 

CDPH VRDL
ATTN: Specimen Receiving
850 Marina Bay Parkway
Richmond, CA 94804
Phone: 510-307-8585
Turnaround Time 10 Business days
Limitations Negative results do not preclude the possibility of infection

False positive IgM or non-specific IgM reactions are known to occur in other diseases, such as parainfluenza virus, Epstein-Barr virus, and human herpesvirus 6.
Additional Information Specimens should be collected as close to onset as possible.

This is a qualitative assay
VRDL Points of Contact

Medical and Epidemiology Liaisons: (510) 307-8585 or VRDL.submittal@cdph.ca.gov​​​​​
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