Rubella IgM and IgG Antibody !!! NOTE: The contents are valid only for: 02/10/2025 !!!
| WSLH Department: | CDD - Communicable Disease Division |
| WSLH Test Code: | SS02025 |
| Day(s) Performed: | Weekdays |
| Turn-around Time: | 1-3 days for IgG; approximately 2 weeks for IgM |
| Recommended Uses: | Serodiagnosis of Rubella infection. |
| Pre-approval: | N |
| Contraindications: | |
| Additional Tests Performed: | |
| Preparation for Collection: | Routine blood draw |
| Specimen Requirements: | 3 ml serum or 10 ml vacutainer. |
| Collection Instructions: | Acute serum collected as early as possible (within 7-10 days) after onset of illness |
| Collection Kit/Container: |
Serology Specimens
Sterile Transfer Tube |
| Requisition Form: |
CDD Requisition Form B
|
| Required Information: | Laboratory regulations require the following minimum information to be provided on the requisition form for a specimen to be accepted for testing: Patient name or unique identifier; date and time of collection, patient date of birth and sex, specimen type/site of collection, test request(s), clinician name and UPIN, and address for reporting results. Please be certain that name/identifier on the form matches that on the specimen label. |
| Rejection Criteria: | |
| Specimen Handling: | Store serum specimen at 2-8 degrees Celsius and transport with frozen cool pack |
| Packaging Requirements: | |
| Courier Information: | |
| Specimen Receiving Hours: | Monday-Friday 7:45 AM - 4:30 PM, Saturday 7:45 AM - 12:00 PM |
| Results Include: | Negative, Positive, or Equivocal with interpretation |
| Limitations: | The presence of Rubella IgM is indicative of a recent exposure, but cannot differentiate between primary infection and vaccination. False-positive IgM serum may occur in persons with parvovirus infection, infectious mononucleosis, or rheumatoid factor. |
| Additional Tests Recommended: | Rubella virus PCR |
| Additional Comments: | The absence of IgM and IgG possibly indicates the specimen was collected too early. |
| Methodology: | Rubella IgG Enzyme-Linked Immunosorbent Assay (ELISA) performed at WSLH; Rubella IgM Immunoassay performed at CDC. |
| Includes: | Qualitative assay for the detection of IgG antibody and IgM antibodies to Rubella virus |
| Regulatory Compliance: | |
| CPT Code: | 86762, 99001 |
| Price: | $127.00 Price Effective 1/1/25 |
| Fee Exempt Eligible: | N |
| Billing and Revenue Office: | 1-800-862-1065 arbill@slh.wisc.edu |