LOINCActiveObservation

LOINC Code 20475-0: CMV IgG [Interp]

20475-0 is a LOINC code used to identify CMV IgG [Interp] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Cytomegalovirus Ab.IgG. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

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. 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: Observation

What it does not mean

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

Key facts

  • Cytomegalovirus IgG Ab [Interpretation] in Serum or Plasma
  • Cytomegalovirus Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CMV; Cytomegalo virus; Cytomgal; HHV-5; Human Herpesvirus-5; ID; Immune globulin G; Immunoglobulin G; Impression; Impression/interpretation of study; Impressions; Infectious Disease; InfectiousDisease; Interp; Interpretation; Microbiology; Nominal; Pl; Plasma; Plsm; Point in time; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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

CMV IgG [Interp]Cytomegalovirus IgG Ab [Interpretation] in Serum or PlasmaCMV IgG SerPl-ImpCytomegalovirus Ab.IgGMICROCytomegalovirus (CMV) IgG antibody, BloodImp

Frequently asked questions

Code details

Code20475-0
SystemLOINC
Display nameCMV IgG [Interp]
DescriptionCytomegalovirus Ab.IgG
Short nameCMV IgG SerPl-Imp
ComponentCytomegalovirus Ab.IgG
PropertyImp
TimingPt
System (specimen)Ser/Plas
ScaleNom
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0m
Last changed2.73

Consumer names

Cytomegalovirus (CMV) IgG antibody, Blood

Part names

Cytomegalovirus Ab.IgGImpPtSer/PlasNomCytomegalovirus IgGImpression/interpretation of studyPoint in time (spot)Serum or Plasma

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 20475-0 | HealthAssure