Version 2.78

Part Description

LP15729-4   Methemoglobin
Methemoglobin is a form of the oxygen-carrying protein hemoglobin, in which the iron in the heme group is in the Fe3+ state, not the Fe2+ of normal hemoglobin. Metheomglobin appears blue and is unable to carry oxygen. The NADH-dependent enzyme methemoglobin reductase (AKA diaphorase I) is responsible for converting methemoglobin back to hemoglobin. Normally 1-2% of people's hemoglobin is methemoglobin, a higher percentage than this can be genetic or caused by exposure to various chemicals and depending on the level can cause health problems. A higher level of methemoglobin will tend to cause a pulse oximeter to read closer to 85% regardless of the true level of oxygen saturation. Methemoglobinemia can be caused by genetic abnormalities such as diaphorase I deficiency, or abnormal hemoglobin variants. It can also be caused by certain oxidizing drugs (benzocaine), antibiotics (trimethoprim or sulfanamides), analine dyes, metoclopramide, chlorates, bromates, and nitrates. Infants under 6 months are particularly susceptible when exposed to nitrates, benzocaine, or even dehydration. Methemoglobinemia can be treated with supplemental oxygen and methylene blue. 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, Methemoglobin (Wikipedia)

Fully-Specified Name

Component
Methemoglobin/Hemoglobin.total
Property
MFr
Time
Pt
System
BldV
Scale
Qn
Method

Additional Names

Short Name
MetHgb MFr BldV
Display Name
Methemoglobin (BldV) [Mass fraction]
Consumer Name Alpha Get Info
Methemoglobin/Total Hgb, Blood

Basic Attributes

Class
CHEM
Type
Laboratory
First Released
Version 1.0
Last Updated
Version 2.73
Order vs. Observation
Observation
Common Test Rank Get Info
734

Member of these Panels

LOINC Long Common Name
24344-4 Gas and Carbon monoxide panel - Venous blood

Member of these Groups Get Info

LOINC Group Group Name
LG9913-7 Methemoglobin/Hemoglobin.total|MFr|Pt|ANYBldSerPl

Language Variants Get Info

Tag Language Translation
de-AT German (Austria) Synonyms: Methämoglobin ven.
de-DE German (Germany) Methämoglobin/Hämoglobin.gesamt:Massenfraktion:Zeitpunkt:Blut venös:Quantitativ:
es-AR Spanish (Argentina) metahemoglobina/hemoglobina.total:fracción de masa:punto en el tiempo:sangre venosa:cuantitativo:
es-MX Spanish (Mexico) Metahemoglobina / Hemoglobina total:Fracción de masa:Punto temporal:Sangre venosa:Cuantitativo:
es-ES Spanish (Spain) Metahemoglobina/Hemoglobina.total:Fracción de masa:Punto temporal:Sangre venosa:Qn:
Synonyms: Cuantitativo
et-EE Estonian (Estonia) Methemoglobiin/hemoglobiin.üld:MFr:Pt:vB:Qn:
Synonyms: Juhuslik Kvantitatiivne Venoosne veri
fr-CA French (Canada) Méthémoglobine/Hémoglobine.totale:Fraction de masse:Temps ponctuel:Sang veineux:Quantitatif:
fr-BE French (Belgium) Méthémoglobine/Hémoglobine.totale:Fraction de masse:Temps ponctuel:Sang veineux:Quantitatif:
Synonyms: Hb Hb.totale
fr-FR French (France) Méthémoglobine/hémoglobine totale:Fraction massique:Ponctuel:Sang veineux:Numérique:
it-IT Italian (Italy) Metaemoglobina/Emoglobina.totale:MFr:Pt:Sangue ven:Qn:
Synonyms: Chimica Frazione di massa Metemoglobina Punto nel tempo (episodio) Sangue venoso
ko-KR Korean (Korea, Republic Of) 메트헤모글로빈/총혈색소:질량분획:검사시점:정맥혈:정량:
nl-NL Dutch (Netherlands) methemoglobine/hemoglobine.totaal:massafractie:moment:veneus bloed:kwantitatief:
pl-PL Polish (Poland) Methemoglobina/hemoglobina całkowita:frakcja masowa:punkt w czasie:krew żylna:ilościowy:
Synonyms: Methemoglobina Methemoglobina/Hemoglobina całkowita
pt-BR Portuguese (Brazil) Metahemoglobina/Hemoglobina.total:MFr:Pt:SgVen:Qn:
Synonyms: ; MetHgb; Methgb; MetHb; Hi; Hemiglobin; Methaemoglobin; Hgb; Hb; Haemoglobin; Mass fraction; Percent; Point in time; Random; Blood - venous; Bld ven; Bld venous; Blood venus; Blood ven; Venous; Quantitative; QNT; Quant; Quan; Tot; Totl; Chemistry
ru-RU Russian (Russian Federation) Метгемогломин/Гемоглобин.общий:МассДол:ТчкВрм:КрВ:Колич:
Synonyms: Количественный Кровь Венозная Массовая доля Точка во времени;Момент
tr-TR Turkish (Turkey) Methemoglobin/Hemoglobin.total:KütlFr:Zmlı:KanVen:Kant:
zh-CN Chinese (China) 高铁血红蛋白/血红蛋白.总计:质量分数:时间点:静脉全血:定量型:
Synonyms: Hi;MetHb;MetHgb;正铁血红蛋白;氧化血红蛋白 MFr 全体数量 全部 共计 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 总 总和 总数 总血红蛋白 总量 总额 时刻;随机;随意;瞬间 氧血红蛋白;血红朊;血红素;血色素 汇总 静脉血

Example Units

Unit Source
% Example UCUM Units
% REGENSTRIEF
% eCHN

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=2617-9