Rheumatoid factor [Presence] in Synovial fluid by Latex agglutination   6823-9

LOINC Code


LOINC code6823-9
nameRheumatoid factor [Presence] in Synovial fluid by Latex agglutination
statusACTIVE

Fully-Specified Name

componentRheumatoid factor
propertyPrThr  =  Present or threshold:  The Property PrThr stands for “Presence or Threshold”, meaning either a) the actual presence or absence of an analyte, or b) that the amount of analyte detected is over some predetermined threshold.
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
systemSynv fld  =  Synovial fluid (Joint fluid)
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
methodLA  =  Latex Agglutination

Additional Names

short nameRheumatoid fact Snv Ql LA

Basic Attributes

classSERO
type1  Laboratory
order vs. observationBoth

Associated Observations

LOINC codes that represent optional associated observation(s) for a clinical observation or laboratory test. A LOINC term may represent a single associated observation or panel containing several associated observations.

History/Usage

test rank10573 of 2000 most commonly performed tests by labs in USA
first released
last updated2.73
last change typeMIN  - change to field other than name
change reasonThe PrThr property is used for LOINC terms whose results are reported using an ordered categorical scale, regardless of whether or not an internal threshold was used to make that determination. This change was approved by the Laboratory LOINC Committee in June 2016.

Related Names

Fac
Fact
Joint aspirate
Joint fld
Joint flu
Joint fluid
LAT
Latex agglutination
Ordinal
Point in time
PR
QL
Qual
Qualitative
Random
RF
Screen
Serology
SF
SNV
Syn
Syn fl
Synov
Synovial fluid

Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.

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