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Cytomegalovirus IgG Antibody

Mnemonic

CMVAB IGG

Synonym

CMV Ab - Quantitative - CMV Antibody - CMV IgG - CMV IgG Antibody

Specimen Collection Requirements

Collect

Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube

Handling

Allow serum to clot completely at room temperature (minimum – SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP.

Preferred Volume

0.5 mL

Minimum Volume

0.25 mL Serum (0.75 mL minimum whole blood draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed, icteric or lipemic specimens; heat inactivated specimens; plasma.

Stability

AFTER SEPARATION FROM CELLS:  Room temperature (18-26°C):  Unacceptable; Refrigerated (2-8°C):  7 days; Frozen (≤ -10°C):  9 days (not more than 2 freeze/thaw cycles).

Testing Information

Performed

Mon - Fri

Reported

24 - 72 hours

Method

Chemiluminescent Immunoassay

Reference Values

Reference Values

<= 0.59 U/mL          Negative for CMV IgG Antibody

0.60 – 0.69 U/mL    Equivocal for CMV IgG Antibody.  Repeat testing in 7-14 days may be helpful.

>= 0.70 U/mL          Positive for CMV IgG Antibody
 

CPT Codes

86644

Last Updated: Wednesday, January 27, 2021 01:12:18 AM


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