LOINCActiveBoth

LOINC Code 5289-4: Reagin Ab VDRL Qn (CSF)

5289-4 is a LOINC code used to identify Reagin Ab VDRL 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 Reagin Ab. 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 Reagin Ab. 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: VDRL

What it does not mean

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

Key facts

  • Reagin Ab [Units/volume] in Cerebral spinal fluid by VDRL
  • Reagin Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; Cerebral spinal fluid; Cerebrospinal Fl; ID; Infectious Disease; InfectiousDisease; Microbiology; Microscopic flocculation; Neuro; Neurology; Neurosyphilis; Point in time; QNT; Quan; Quant; Quantitative; Random; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; Syphilis; Treponema; Venereal Disease Research Laboratory

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

Reagin Ab VDRL Qn (CSF)Reagin Ab [Units/volume] in Cerebral spinal fluid by VDRLVDRL CSF-aCncReagin AbMICROReagin antibody, Spinal fluidACnc

Frequently asked questions

Code details

Code5289-4
SystemLOINC
Display nameReagin Ab VDRL Qn (CSF)
DescriptionReagin Ab
Short nameVDRL CSF-aCnc
ComponentReagin Ab
PropertyACnc
TimingPt
System (specimen)CSF
ScaleQn
MethodVDRL
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Reagin antibody, Spinal fluid

Part names

Reagin AbACncPtCSFQnVDRLArbitrary ConcentrationPoint 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 5289-4 | HealthAssure