Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Test Name: Sunquest Test Code Epic Procedure Code Or ID CPT Code:  


Sunquest Test Code:
MUMPSG      Geisinger Epic Procedure Code: 86735.02         Geisinger Epic ID: 19102

Specimen type:
Preferred collection container:
Alternate Collection Container:
6 mL red-top (plain, non-serum separator) tube
Specimen required:
0.5 mL serum; minimum 0.2 mL

Specimen processing instructions:
Allow to clot. Centrifuge and submit 0.5 mL serum. 
Transport temperature:
Refrigerated (preferred). Room temperature (stable 8 hours) and frozen specimens also acceptable.
Specimen stability:
Room temperature: 8 hours. 2-8°C: 7 days. Frozen: 6 months.
Rejection criteria:
Specimen stability exceeded; specimen grossly hemolyzed.

Interpretation guide:

AU/ml Value





Absence of detectable mumps virus IgG antibodies. A negative result generally indicates that the patient has not been infected and is susceptible to mumps. If the subject has no history of mumps, has not been previously vaccinated and exposure to mumps virus is suspected despite a negative finding, a second sample should be collected no less than 1-2 weeks later.

9.0 – 10.9


Equivocal samples should be retested. If the result remains equivocal after repeat testing, a second sample should be recollected no less than 1-2 weeks later.



Presence of detectable mumps virus IgG antibodies. A positive result generally indicates past exposure to mumps virus or previous vaccination.

CPT code(s):
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Test includes:
Antibody detection and immune status ratio (ISR) to mumps IgG.
Mumps Antibody IgG
Mumps IgG Antibody
Clinical significance:
Mumps is an acute, generally self-limiting, contagious disese with moderate fever of short duration. A positive mumps IgG antibody in conjunction with clinical findings may aid in the determination of immune status and/or aid in the diagnosis of mumps infections. Antibody response to vaccination is typically lower than that of a natural infection. Acute infection is diagnosed by testing for mumps IgM antibody.
Doctoral Director(s:)
Stacy Kenyon, PhD, DABCC
Hoi-Ying Elsie Yu, PhD, DABCC    
Review Date: 10/31/2018

Performing Locations

Geisinger Medical Center

Performing laboratory: Immunology
Technical Lead: Kathy Hurst
Frequency: Sunday, Tuesday through Friday: 1st shift
Performed stat? No
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