LOINCActiveBoth

LOINC Code 31956-6: Rubella virus Ag Ql (Cvx)

31956-6 is a LOINC code used to identify Rubella virus Ag Ql (Cvx) 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 Ag. It is commonly used with the system or sample type Cvx.

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 Rubella virus Ag. It is commonly used with the system or sample type Cvx.

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

  • Rubella virus Ag [Presence] in Cervix
  • Rubella virus Ag
  • Antigen; Antigens; Cervix; Congenital rubella syndrome; Genital tract; German measles; Gyn; Gynecology; ID; Infectious Disease; InfectiousDisease; Microbiology; OB; ObGyn; Obstetrics; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RUBV; Screen

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 Ag Ql (Cvx)Rubella virus Ag [Presence] in CervixRUBV Ag Cvx QlRubella virus AgMICRORubella virus antigen, CervixPrThr

Frequently asked questions

Code details

Code31956-6
SystemLOINC
Display nameRubella virus Ag Ql (Cvx)
DescriptionRubella virus Ag
Short nameRUBV Ag Cvx Ql
ComponentRubella virus Ag
PropertyPrThr
TimingPt
System (specimen)Cvx
ScaleOrd
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.58

Consumer names

Rubella virus antigen, Cervix

Part names

Rubella virus AgPrThrPtCvxOrdPresence or ThresholdPoint in time (spot)Cervix

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 31956-6 | HealthAssure