LOINCActiveBoth

LOINC Code 25746-9: Rheumatoid factor Sheep Cell Agglutination (Body fld) [Titer]

25746-9 is a LOINC code used to identify Rheumatoid factor Sheep Cell Agglutination (Body fld) [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 Rheumatoid factor. It is commonly used with the system or sample type Body fld.

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 Rheumatoid factor. It is commonly used with the system or sample type Body fld.

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: Sheep cell aggl

What it does not mean

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

Key facts

  • Rheumatoid factor [Titer] in Body fluid by Sheep Cell Agglutination
  • Rheumatoid factor
  • Agg; Agglut; Agglutination; B/F; BF; bod; Bodies; Body fluid; Body fluid, unsp; Dilution factor; Dilution Factor (Titer); Fac; Fact; Fl; Fld; FLU; Fluid; Point in time; Random; RF; Serology; Shp Aggl; SmQn; 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

Rheumatoid factor Sheep Cell Agglutination (Body fld) [Titer]Rheumatoid factor [Titer] in Body fluid by Sheep Cell AgglutinationRheumatoid fact Titr Fld Shp AgglRheumatoid factorSERORheumatoid factor, Body fluidTitr

Frequently asked questions

Code details

Code25746-9
SystemLOINC
Display nameRheumatoid factor Sheep Cell Agglutination (Body fld) [Titer]
DescriptionRheumatoid factor
Short nameRheumatoid fact Titr Fld Shp Aggl
ComponentRheumatoid factor
PropertyTitr
TimingPt
System (specimen)Body fld
ScaleSemiQn
MethodSheep cell aggl
ClassSERO
Example unitstiter
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.75

Consumer names

Rheumatoid factor, Body fluid

Part names

Rheumatoid factorTitrPtBody fldSemiQnSheep cell agglTiterPoint in time (spot)Body fluidSheep Cell Agglutination

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.