LOINCActiveBoth

LOINC Code 17551-3: Rubella virus IgG IA Qn (CSF)

17551-3 is a LOINC code used to identify Rubella virus IgG IA Qn (CSF) 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 Rubella virus Ab.IgG. It is commonly used with the system or sample type CSF.

Reviewed by HealthAssure Clinical TeamUpdated 21 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 Rubella virus 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
  • Method: IA

What it does not mean

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

Key facts

  • Rubella virus IgG Ab [Units/volume] in Cerebral spinal fluid by Immunoassay
  • Rubella virus Ab.IgG
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; Congenital rubella syndrome; EIA; ELFA; ELISA; Enzyme immunoassay; German measles; IAA; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; MEIA; Microbiology; Neuro; Neurology; Point in time; QNT; Quan; Quant; Quantitative; Random; RUBV; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; 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

Rubella virus IgG IA Qn (CSF)Rubella virus IgG Ab [Units/volume] in Cerebral spinal fluid by ImmunoassayRUBV IgG CSF IA-aCncRubella virus Ab.IgGMICRORubella virus IgG antibody, Spinal fluidACnc

Frequently asked questions

Code details

Code17551-3
SystemLOINC
Display nameRubella virus IgG IA Qn (CSF)
DescriptionRubella virus Ab.IgG
Short nameRUBV IgG CSF IA-aCnc
ComponentRubella virus Ab.IgG
PropertyACnc
TimingPt
System (specimen)CSF
ScaleQn
MethodIA
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Rubella virus IgG antibody, Spinal fluid

Part names

Rubella virus Ab.IgGACncPtCSFQnIARubella virus IgGArbitrary ConcentrationPoint in time (spot)Cerebral spinal fluidImmunoassay

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 17551-3 | HealthAssure