| Varicella/Zoster Antibody, IgG (8000100082) | |
|---|---|
| Test Mnemonic: | |
| Specimen Requirements: | |
| Collection: | Serum separator tube (SST) or Red Top serum tube without additive |
| Container: | Serum separator tube (SST) or Red Top serum tube without additive |
| Minimum Volume: | 3 mL of blood (1mL of serum) |
| Storage/Transport: | Refrigerate (2-8°C) up to 7 days; Samples should be frozen (<-20°C) |
| Specimen Preparation: | Within two hours of collection, centrifuge. Serum collected in a red top should be removed from the red cells if testing will be delayed. |
| Stability: | Refrigerate (2-8°C) up to 7 days; Samples should be frozen (<-20°C) |
| Causes for Rejection: | Insufficient quantity, gross hemolysis, lipemia. Specimen container unlabeled or labeled incorrectly. No date and time of collection or collector information on the order. |
| Reference Range: | Positive - antibodies to varicella zoster virus. Negative- no detectable antibodies to VZV |
| Turnaround Time: | Test is performed in batch, once per day, six days a week |
| Methodology: | Multiplex bead immunoassay |
| Performed: | Clinical Microbiology |
| Synonyms: | VZV antibody, IgG, Varicella antibody, IgG; VZV Immune status; VZVG |
| Clinical Indication: | Screen for antibodies to Varicella zoster virus. To assess immunity against VZV infection. |
| Patient Preparation : | Rountine venipuncture |
| CPT 4 Code: | 86787 |
| Note: | Previously positive patients require no further testing.
|
| When ordering tests for which Medicare or Medicaid reimbursement will be sought, physicians should only order tests that are medically necessary for the diagnosis or treatment of the patient. Components of the organ or disease panels may be ordered individually. The diagnostic information must substantiate all tests ordered and must be in the form of an ICD-10 code or its verbal equivalent. | |