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UW Health SMPH
American Family Children's Hospital

UW Hospital and Clinics Lab Test Directory

Test Name: Rubella Ab, IgG

Test Code(s): RUBIGG / RUBL

CPT Code(s): 86762

Methodology: Chemiluminescent Immunoassay

Days Performed: Daily, 24 hours.

Turnaround Time: Stat: Not available stat.
Routine: 4 hours.


Specimen Requirements

Specimen: Blood

Collection Container: Preferred: Red cap with yellow ring (SST)
Also Acceptable: Red top

Collection Volume: Preferred: 1 mL
Pediatrics: 0.5 mL

Sample Analyzed: Serum

Volume Required: Preferred: 0.5 mL
Pediatrics: 0.3 mL

Specimen Processing: Centrifuge.  If a complete barrier has not formed, transfer cell-free serum to plastic vial.  Refrigerate.

Specimen Transport: Transport specimen to UWHC Core Laboratory (B4/220). Transport with coolant pack if coming from outreach location.

Stability: Refrigerated: 7 days


Interpretation

Interpretive Guidelines:

Negative:  Indicating patient susceptible to infection. 


Positive:  Can usually be considered protected.
 
Equivocal:  Immune status can not be determined.  Recollect if clinically warranted.
 

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