LOINCActiveBoth

LOINC Code 22245-5: CMV IgG (CSF) [Titer]

22245-5 is a LOINC code used to identify CMV IgG (CSF) [Titer] 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 CSF.

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 CSF.

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

What it does not mean

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

Key facts

  • Cytomegalovirus IgG Ab [Titer] in Cerebral spinal fluid
  • Cytomegalovirus Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; CMV; Cytomegalo virus; Cytomgal; Dilution factor; Dilution Factor (Titer); HHV-5; Human Herpesvirus-5; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; Neuro; Neurology; Point in time; Random; SmQn; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Titer; Titered; Titre; Ttr

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 (CSF) [Titer]Cytomegalovirus IgG Ab [Titer] in Cerebral spinal fluidCMV IgG Titr CSFCytomegalovirus Ab.IgGMICROCytomegalovirus (CMV) IgG antibody, Spinal fluidTitr

Frequently asked questions

Code details

Code22245-5
SystemLOINC
Display nameCMV IgG (CSF) [Titer]
DescriptionCytomegalovirus Ab.IgG
Short nameCMV IgG Titr CSF
ComponentCytomegalovirus Ab.IgG
PropertyTitr
TimingPt
System (specimen)CSF
ScaleSemiQn
ClassMICRO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0n
Last changed2.75

Consumer names

Cytomegalovirus (CMV) IgG antibody, Spinal fluid

Part names

Cytomegalovirus Ab.IgGTitrPtCSFSemiQnCytomegalovirus IgGTiterPoint in time (spot)Cerebral spinal fluid

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 22245-5 | HealthAssure