Version 2.77

Part Descriptions

LP16738-4   Rheumatoid factor
Rheumatoid factor (RF or RhF) is a blood test performed in patients with suspected rheumatoid arthritis (RA). It is an auto-antibody directed against the Fc portion of IgG, which is itself an antibody. RF and IgG form immune complexes, which are part of the disease process (serum sickness) of various rheumatological diseases. Storage/Transport Temperature: 1 mL plasma or serum, 2-8°C. (Min: 0.2 mL) Submit specimen in an ARUP Amber Transport Tube. Rheumatoid factor can also be a cryoglobulin (antibody that precipitates on cooling of a blood sample); it can be either type 2 (monoclonal IgM to polyclonal IgG) or 3 (polyclonal IgM to polyclonal IgG) cryoglobulin. Copyright Text is available under the Creative Commons Attribution/Share-Alike License. See http://creativecommons.org/licenses/by-sa/3.0/ for details. Source: Wikipedia, Rheumatoid factor (Wikipedia)

LP16738-4   Rheumatoid factor
Antibodies found in adult rheumatoid arthritis patients that are directed against gamma-chain immunoglobulins. Source: National Library of Medicine, MeSH 2006

Fully-Specified Name

Component
Rheumatoid factor
Property
ACnc
Time
Pt
System
Ser
Scale
Qn
Method
Nephelometry

Additional Names

Short Name
Rheumatoid fact Ser Neph-aCnc
Display Name
Rheumatoid factor Nephelometry Qn (S)
Consumer Name Alpha Get Info
Rheumatoid factor, Blood

Basic Attributes

Class
SERO
Type
Laboratory
First Released
Version 1.0k
Last Updated
Version 2.73
Order vs. Observation
Both
Common Test Rank Get Info
710

Member of these Groups Get Info

LOINC Group Group Name
LG357-0 Rheumatoid factor|ACnc|Pt|ANYBldSerPl

Language Variants Get Info

Tag Language Translation
de-DE German (Germany) Rheumafaktor:Arbiträre Konzentration:Zeitpunkt:Serum:Quantitativ:Nephelometrie
de-AT German (Austria) Synonyms: Rheumafaktor neph.
es-MX Spanish (Mexico) Factor reumatoide:Concentración arbitraria:Punto temporal:Suero:Cuantitativo:Nefelometría
es-ES Spanish (Spain) Factor Reumatoide:Concentración arbitraria:Punto temporal:Suero:Qn:Nefelometría
Synonyms: Cuantitativo
es-AR Spanish (Argentina) factor reumatoideo:concentración arbitraria:punto en el tiempo:suero:cuantitativo:nefelometría
et-EE Estonian (Estonia) Reumatoidfaktor:Acnc:Pt:S:Qn:Nefelomeetria
Synonyms: Juhuslik Kvantitatiivne Seerum
fr-CA French (Canada) Facteur rhumatoïde:Concentration arbitraire:Temps ponctuel:Sérum:Quantitatif:Néphélométrie
fr-FR French (France) Facteurs rhumatoïdes:Arbitraire/Volume:Ponctuel:Sérum:Numérique:Néphélémétrie
fr-BE French (Belgium) Facteur rhumatoïde:Concentration arbitraire:Temps ponctuel:Sérum:Quantitatif:Néphélométrie
Synonyms: RF
it-IT Italian (Italy) Fattore reumatoide:ACnc:Pt:Siero:Qn:Nefelometria
Synonyms: Concentrazione Arbitraria FR Nefelometria Punto nel tempo (episodio) Siero Sierologia (anticorpi e la maggior parte degli ant
ko-KR Korean (Korea, Republic Of) 류마티스 인자:임의농도:검사시점:혈청:정량:혼탁계측기
nl-NL Dutch (Netherlands) reumafactor:eenheid/volume:moment:serum:kwantitatief:nefelometrie
Synonyms: nefelometrische methode
pl-PL Polish (Poland) Czynnik reumatoidalny:stężenie w jednostkach umownych:punkt w czasie:surowica:ilościowy:nefelometria
pt-BR Portuguese (Brazil) Fator reumatóide:ACnc:Pt:Soro:Qn:Nefelometria
Synonyms: ; Rheumatoid fact; RF; Arbitrary concentration; Point in time; Random; Serum; SR; Quantitative; QNT; Quant; Quan; Neph; Nephelom; Light scattering; Fac; Fact; Serology
ru-RU Russian (Russian Federation) Ревматоидный фактор:ПроизвКонц:ТчкВрм:Сыв:Колич:Нефелометрия
Synonyms: Количественный Произвольная концентрация Сыворотка Точка во времени;Момент
tr-TR Turkish (Turkey) Romatoid faktör:SçKons:Zmlı:Ser:Kant:Nefelometri
uk-UA Ukrainian (Ukraine) Ревматоїдний фактор:Довільна Концентрація:МоментЧасу:Сироватка:Кількісно:Нефелометрія
Synonyms: Arbitrary concentration; Fac; Fact; Light scattering; Nephelom; Point in time; QNT; Quan; Quant; Quantitative; Random; RF; Serology; Serum; SR; UniversalLabOrders
zh-CN Chinese (China) 类风湿因子:任意型浓度:时间点:血清:定量型:浊度分析法
Synonyms: RF;Rheumatoid Factor 任意型浓度(单位体积);任意浓度;单位体积的任意单位数;人工型浓度 依靠测定散射光的分析方法;光散射;比浊;比浊法;浊度分析;浊度测定;浊度测定法 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 因素 时刻;随机;随意;瞬间 系数 血清;血清学;血清学检验项目;血清学检验项目 (非微生物学);血清学检验项目(非微生物学);血清学检验项目类;血清学检验项目类 (非微生物学);血清学类;血清学类检验项目;血清学类检验项目 (非微生物学);血清学类试验;血清学类试验 (非微生物学);血清学试验;血清学试验 (非微生物学);血清学试验(非微生物学);血清学试验类 (非微生物学);血清类

Example Units

Unit Source
[IU]/mL Example UCUM Units

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=15205-8