LOINC Code 78445-4: CMV IgG avidity IA Ql

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Cytomegalovirus Ab.IgG avidity. It is commonly used with the system or sample type Ser/Plas.

When is it used?

• Used in lab systems, EHRs, and clinical data exchange.
• May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
• Status: ACTIVE
• Order vs observation: Both
• Method: IA

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• Cytomegalovirus IgG Ab avidity [Presence] in Serum or Plasma by Immunoassay
• Cytomegalovirus Ab.IgG avidity
• This term was created for, but not limited in use to, the submitter's Roche cobas CMV IgG Antibody Avidity to Cytomegalovius test kit.
• ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CMV; Cytomegalo virus; Cytomgal; EIA; ELFA; ELISA; Enzyme immunoassay; HHV-5; Human Herpesvirus-5; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Ordinal; Pl; Plasma; Plsm; Point in time; PR; QL; Qual; Qualitative; Random; Screen; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; SUDS

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Frequently asked questions