Cytomegalovirus IgM Antibody

Overview

  • EPIC Code:
  • IMO66
  • Soft Test Code:
  • CMVM
Alternate Names
  • CMV IgM

Specimen Collection & Preparation

Specimen Requirements

1.0 mL Serum in a SST Gold Top Tube


Alternate Specimen

1.0 mL Serum from a Red Top Tube in a Plastic Vial


TransportAndStorage

48 hours Refrigerated
30 days Frozen


Specimen to be transported Refrigerated to PRMC within 48 hours of collection to be frozen by Immunology department to maintain specimen integrity until testing occurs. Do not transport Frozen.


Collection Instructions

 


Minimum Volume


Neonatal Volumne

Clinical Interpretation

Reference Range:

OD ratio < .90 indicates no detectable Cytomegalovirus, IgM antibody.
 
OD ratio 0.91 - 1.09 are equivocal for Cytomegalovirus, IgM antibody. Suggest a new specimen be collected and retested.
 
OD ratio > 1.10 is positive for Cytomegalovirus, IgM antibody. A positive value indicates a primary or reactivated infection.


Methodology:
  • Enzyme Immunoassay (EIA)

Production Schedule

Sites Performed
  • Parkview Regional Medical Center
Days Performed
Thursday
Departments
  • Immunology
Turn Around Time

7 days


Coding & Compliance

CDM

01450697


CPT Coding

86645


Medical Necessity Documentation

Duplicate testing on this test is not acceptable per Medicare:  Testing to only be done every 3 days