Version 2.77

Part Description

LP15448-1   Bilirubin
Bilirubin is an orange-yellow pigment produced by the normal breakdown of heme, a component of the hemoglobin found in red blood cells. It is processed by the liver and excreted in bile. Conditions that cause red blood cell breakdown or interfere with liver or bile processing can cause elevated levels of bilirubin. Bilirubin exists in many forms. Non-glucuronidated bilirubin (also called unconjugated or indirect) is the breakdown product of heme and is not water-soluble. Hemolytic anemias, which cause increased red blood cell breakdown, are one cause of elevated non-glucuronidated bilirubin. Glucuronidated bilirubin (also called conjugated) is a water-soluble form of bilirubin that is made in the liver by the addition of sugar molecules to non-glucuronidated bilirubin. Conditions that affect liver function (such as hepatitis, cirrhosis and liver tumors) or physically block the bile ducts (such as gallstones) can cause elevated levels of glucuronidated bilirubin. A third form of bilirubin is that which is bound to albumin, and it is also known as delta bilirubin because it was originally identified based on the unexpected difference between the total bilirubin level and the level of glucuronidated plus non-glucuronidated bilirubin in some patient samples. Prior to the discovery of albumin-bound bilirubin, the term "direct" bilirubin was used as a synonym for glucuronidated bilirubin, but direct bilirubin is actually glucuronidated plus delta bilirubin (bilirubin covalently bound to albumin). Source: Regenstrief LOINC

Reference Information

Type Source Reference
Webcontent Lab Tests Online®Copyright Copyright © 2021 Lab Tests Online. All rights reserved. Bilirubin

Fully-Specified Name


Additional Names

Short Name
Bilirub BldV-mCnc
Display Name
Bilirubin (BldV) [Mass/Vol]
Consumer Name Alpha Get Info
Bilirubin, Blood

Basic Attributes

First Released
Version 2.32
Last Updated
Version 2.70
Order vs. Observation

Member of these Groups Get Info

LOINC Group Group Name
LG6199-6 Bilirubin|MCnc|Pt|ANYBldSerPl
LG50088-0 Bilirubin|Pt|BldV|584.673 g/mole

Language Variants Get Info

Tag Language Translation
de-AT German (Austria) Synonyms: Bilirubin ven.
de-DE German (Germany) Bilirubin:Massenkonzentration:Zeitpunkt:Blut venös:Quantitativ:
el-GR Greek (Greece) Χολερυθρίνη:Συγκέντρωση μάζας:Χρονική στιγμή:Φλεβικό αίμα:Ποσοτική:
es-ES Spanish (Spain) Bilirrubina:Concentración de masa:Punto temporal:Sangre venosa:Qn:
Synonyms: Cuantitativo
es-MX Spanish (Mexico) Bilirrubina:Concentración de masa:Punto temporal:Sangre venosa:Cuantitativo:
et-EE Estonian (Estonia) Bilirubiin:MCnc:Pt:vB:Qn:
Synonyms: Juhuslik Kvantitatiivne Venoosne veri
fr-CA French (Canada) Bilirubine:Concentration de masse:Temps ponctuel:Sang veineux:Quantitatif:
fr-FR French (France) Bilirubine:Masse/Volume:Ponctuel:Sang veineux:Numérique:
fr-BE French (Belgium) Bilirubine:Concentration de masse:Temps ponctuel:Sang veineux:Quantitatif:
it-IT Italian (Italy) Bilirubina:MCnc:Pt:Sangue ven:Qn:
Synonyms: Chimica Concentrazione di Massa Punto nel tempo (episodio) Sangue venoso
nl-NL Dutch (Netherlands) bilirubine:massa/volume:moment:veneus bloed:kwantitatief:
pl-PL Polish (Poland) Bilirubina:stężenie masowe:punkt w czasie:krew żylna:ilościowy:
pt-BR Portuguese (Brazil) Bilirrubina::Pt:SgVen:Qn:
ru-RU Russian (Russian Federation) Билирубин:МассКонц:ТчкВрм:КрВ:Колич:
Synonyms: Количественный Кровь Венозная Массовая концентрация Точка во времени;Момент
tr-TR Turkish (Turkey) Bilirubin:KütlKons:Zmlı:KanVen:Kant:
zh-CN Chinese (China) 胆红素:质量浓度:时间点:静脉全血:定量型:
Synonyms: TBIL;总胆红素;胆红质 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 时刻;随机;随意;瞬间 水平;浓度;质量浓度(单位体积) 静脉血

Example Units

Unit Source
mg/dL Example UCUM Units

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

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