LOINC
Version 2.67

77350-7Erythropoietin (EPO) Ab [Presence] in SerumActive

Term Description

The test in performed in patients who do not have a clinical response to recombinant erythropoietin (EPO) therapy in order to determine whether they have antibodies to the drug. EPO is used for patients with a variety of disorders, including advanced kidney disease, to raise their hemoglobin level. For patients with EPO antibodies, other therapeutic options are available.
Source: Regenstrief LOINC

Part Description

LP15554-6   Erythropoietin
Glycoprotein hormone, secreted chiefly by the kidney in the adult and the liver in the fetus, that acts on erythroid stem cells of the bone marrow to stimulate proliferation and differentiation. Source: National Library of Medicine, MeSH 2006

Fully-Specified Name

Component
Erythropoietin Ab
Property
PrThr
Time
Pt
System
Ser
Scale
Ord
Method

Additional Names

Short Name
EPO Ab Ser Ql
Display Name
Erythropoietin (EPO) Ab Ql (S)

Basic Attributes

Class
CHEM
Type
Laboratory
First Released
Version 2.52
Last Updated
Version 2.56
Change Reason
The 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.
Order vs. Observation
Both

Example Answer List LL360-9

Source: Regenstrief Institute

Answer Code Score Answer ID
Positive Copyright http://snomed.info/sct ID:10828004 Positive (qualifier value) LA6576-8
Negative Copyright http://snomed.info/sct ID:260385009 Negative (qualifier value) LA6577-6

Language Variants Get Info

zh-CNChinese (CHINA)
促红细胞生成素 抗体:存在情况或阈值:时间点:血清:序数型:
nl-NLDutch (NETHERLANDS)
erytropoëtine As:aanwezigheid:moment:serum:ordinaal:
et-EEEstonian (ESTONIA)
Erütropoietiin antikehad:PrThr:Pt:S:Ord:
fr-BEFrench (BELGIUM)
Érythropoïétine Ac:PrThr:Temps ponctuel:Sérum:Ordinal:
fr-CAFrench (CANADA)
Érythropoïétine , Ac:Présence-Seuil:Temps ponctuel:Sérum:Ordinal:
fr-FRFrench (FRANCE)
Érythropoïétine anticorps:Présence/Seuil:Ponctuel:Sérum:Qualitatif:
it-ITItalian (ITALY)
Eritropoietina , Ab:PrThr:Pt:Siero:Ord:
ru-RURussian (RUSSIAN FEDERATION)
Эритропоэтин Ат:PrThr:ТчкВрм:Сыв:Пор:
es-ESSpanish (SPAIN)
Eritropoyetina Anticuerpos:PrThr:Punto temporal:Suero:Ord:
tr-TRTurkish (TURKEY)
Eritropoietin Ab:MevcEşik:Zmlı:Ser:Srl:

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=77350-7