Term Description

The ratio of IgG to transferrin clearances, the selectivity index, is useful in the diagnosis and management of proteinuria. Both IgG and transferrin levels are measured in serum and urine and the selectivity index (SI) is calculated according to the formula of Cameron and Blandford where SI = (uIgG/sIgG)/(uTf/sTf) or (uIgG/sIgG * sTf/uTf). PMID: 4161419 An index of below 0.1 is indicative of highly selective proteinuria. PMID: 11012907

Part Description

LP32171-8   Transferrin
Transferrin is a plasma protein for iron ion delivery. 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, Transferrin (Wikipedia)

LOINC Names Get Info

Fully-Specified Name
IgG clearance/Transferrin clearance:Ratio:Pt:Urine+Ser/Plas:Qn:
Long Common Name
IgG clearance/Transferrin clearance [Ratio] in Urine and Serum or Plasma
Short Name
IgG/Transf clear Ur+SerPl-Rto
Display Name
IgG clearance/Transferrin clearance (U+S/P) [Ratio]
Consumer Name Alpha Get Info
IgG Clearance/Transferrin Clearance, Urine+Serum/Plasma

Part Model Get Info

Basic Attributes

Class
CHEM
Type
Laboratory
First Released
Version 2.54
Last Updated
Version 2.54 (ADD)
Order vs. Observation
Both

Formula (Readable)

Selectivity index (SI) = (uIgG/sIgG)/(uTf/sTf)

Language Variants Get Info

TagLanguageTranslation
cs-CZCzech (Czechia)Clearance IgG/clearance transferinu:Poměr:Časový bod:Moč a sérum/plazma:Kvantitativní:
el-GRGreek (Greece)Ανοσοσφαιρίνη G Κάθαρση/Τρανσφερρίνη Κάθαρση:Ratio:Pt:Ούρα+Ορός/Πλάσμα:Qn:
Synonyms: CHEM Pt Qn Ratio Ανοσοσφαιρίνη G Κάθαρση Ορός Ορός/Πλάσμα Ούρα Ούρα+Ορός/Πλάσμα Πλάσμα Τρανσφερρίνη
es-ESSpanish (Spain)IgG Aclaramiento/Transferrina Aclaramiento:Fracción:Punto temporal:Orina y suero o plasma:Qn:
Synonyms: Cuantitativo
es-MXSpanish (Mexico)Aclaramiento de IgG / Aclaramiento de transferrina:Proporción:Punto temporal:Orina y suero o plasma:Cuantitativo:
fr-CAFrench (Canada)IgG, Clairance/Transferrine, Clairance:Ratios:Temps ponctuel:Urine+Sérum/Plasma:Quantitatif:
fr-FRFrench (France)Immunoglobuline G clairance/transferrine clairance:Ratio:Ponctuel:Urine+Sérum/Plasma:Numérique:
it-ITItalian (Italy)IgG, clearance/Transferrina, clearance:Rapporto:Pt:Urina+Siero/Plasma:Qn:
Synonyms: Chimica Plasma Punto nel tempo (episodio) Siero Siero o Plasma Urine & Siero o Plasma
nl-NLDutch (Netherlands)IgG klaring/transferrine klaring:verhouding:moment:urine en serum of plasma:kwantitatief:
pl-PLPolish (Poland)IgG klirens/transferryna klirens:współczynnik:punkt w czasie:mocz i surowica lub osocze:ilościowy:
Synonyms: IgG Klirens IgG Klirens IgG/Klirens transferyny
ru-RURussian (Russian Federation)IgG Клиренс/Трансферрин Клиренс:Отношение:ТчкВрм:Моча+Сыв/Плаз:Колич:
Synonyms: Количественный Коэффициент;Соотношение;Пропорция Моча и Сыворотка или Плазма Плазма Сыворотка Сыворотка или Плазма Точка во времени;Момент
tr-TRTurkish (Turkey)IgG Klirens/Transferrin Klirens:Oran:Zmlı:İdrar+Ser/Plaz:Kant:
zh-CNChinese (China)IgG 清除/转铁蛋白 清除:比率:时间点:尿液+血清/血浆:定量型:
Synonyms: Tf;Trf;输铁蛋白;铁传递蛋白 免疫球蛋白 G 化学;化学检验项目;化学检验项目类;化学类;化学试验;非刺激耐受型化学检验项目;非刺激耐受型化学检验项目类;非刺激耐受型化学试验;非刺激耐受型化学试验类 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 尿 & 血清或血浆;尿+血清/血浆;尿与血清或血浆;尿液 & 血清或血浆;尿液与血清或血浆 尿;小便;下泉 廓清 廓清;清除率;廓清率 廓清率 时刻;随机;随意;瞬间 来自于不同体系的两个观察指标之比;比;比值 清除率 血清或血浆

Example Units

UnitSource
{ratio}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=78962-8