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LAB COMMUNICATIONS 

 

COLLECTION & HANDLING

 

SPECIMEN TRANSPORTATION

Please call 616.774.7721 for specimen pick up

 

GENERAL INFORMATION

 

GENERAL TEST INFORMATION

 

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Mayo Clinic Laboratories

Epic Code LAB1231840 Rubella IgG

Test Name Alias

Rubella IgG Antibody Level | RBG |German | Rubella IgG Ab Lvl | MMRV | LAB496 | Rubella Antibody, IgG, Serum | 10241

Interface Order Alias

1231840

Clinical Information

For evaluation of rubella immunity status.

Panel Information

This test is also part of a panel: PRENATAL SCREEN [LAB1230094]

Collection Instructions

Specimen Collection: Blood

 

Container(s): 5.0 mL Gold Top (Serum Separator-SST Gel)

  • Preferred Volume to Collect: 5.0 mL
  • Minimum Volume to Collect: 2.0 mL
  • Neonate Volume to Collect: 2.0 mL
  • Capillary collect ok? Yes
  • Microtainer acceptable: Yes

 

Collection Instructions:

  • After collection, gently invert tube 8-10 times.
  • Specimen should be processed within 2 hours – See Processing Instructions.

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

  • Processed Specimen: Serum
  • Centrifuge/Spin: Yes
  • Aliquot: No
  • Processing Instructions: Gold Tube/Serum: Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
  • Transport Temperature: Refrigerated after centrifugation

Specimen Stability

Ambient: 12 hours

Refrigerate: 7 days

Frozen:  Aliquot serum for longer storage

Laboratory Retention: 7 days

Test Frequency

Available Monday through Friday, usual Turn-around time 1-3 days

Reference Range

Positive (≥1.0 AI)

IgG antibodies to Rubella detected suggesting previous exposure through infection or vaccination.

 

Equivocal (0.8-0.9)

 

Negative (≤0.7 AI)

Absence of IgG antibodies specific to Rubella suggesting no previous exposure through infection or vaccination.

Performing Department

Immunochemistry

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Multiplex Flow Immunoassay

CPT

86762

CDM Code

3028676201

Epic Test ID

1230101141

LOINC

Rubella Ab IgG: 25514-1

Mayo Access Code

SHO8493

Reviewed Date

12/13/2022

Updated Date

12/26/2024 - Test Name, Order Code, Aliases

1/17/2025 - Reference Range