LOINCActiveBoth

LOINC Code 104446-0: Rubella virus IgM index Qn (S+CSF)

104446-0 is a LOINC code used to identify Rubella virus IgM index Qn (S+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.IgM index. It is commonly used with the system or sample type Ser+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.IgM index. It is commonly used with the system or sample type Ser+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

  • Rubella virus IgM Ab index [Units/volume] in Serum and CSF
  • Rubella virus Ab.IgM index
  • ABS; Aby; AI; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Both serum and cerebrospinal fluid; Cerebral spinal fluid; Cerebrospinal Fl; Congenital rubella syndrome; German measles; Immune globulin M; Immunoglobulin M; Microbiology; Point in time; QNT; Quan; Quant; Quantitative; Random; RUBV; Serum; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; 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

Rubella virus IgM index Qn (S+CSF)Rubella virus IgM Ab index [Units/volume] in Serum and CSFRUBV IgM Index Ser+CSF-aCncRubella virus Ab.IgM indexMICRORubella virus IgM index, Serum+Cerebrospinal fluidACnc

Frequently asked questions

Code details

Code104446-0
SystemLOINC
Display nameRubella virus IgM index Qn (S+CSF)
DescriptionRubella virus Ab.IgM index
Short nameRUBV IgM Index Ser+CSF-aCnc
ComponentRubella virus Ab.IgM index
PropertyACnc
TimingPt
System (specimen)Ser+CSF
ScaleQn
ClassMICRO
Example unitsIndex value
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.77
Last changed2.77

Consumer names

Rubella virus IgM index, Serum+Cerebrospinal fluid

Part names

Rubella virus Ab.IgM indexACncPtSer+CSFQnArbitrary ConcentrationPoint in time (spot)Serum and CSF

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 104446-0 | HealthAssure