Version 2.80

Part Descriptions

LP16487-8   Reticulocytes
Reticulocytes are immature red blood cells (RBC), comprising about 1% of the red cells in the human body. They develop and mature in the bone marrow and then circulate for about a day in the blood before developing into mature RBC. Like mature RBC, reticulocytes do not have a nucleus. They are called reticulocytes because of a reticular (mesh-like) network of ribosomal RNA that is visible under a microscope. Reticulocytes appear slightly bluer than other RBC when stained with Romanowsky stain. Reticulocytes are also slightly larger and thus can be identified as a high mean corpuscular volume during a full blood count done by machine. 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 , Reticulocytes (Wikipedia)

LP16487-8   Reticulocytes
In humans, reticulocytes are erythroid cells that have just undergone extrusion of their nucleus. They still contain some organelles that gradually decrease in number as the cells mature. Ribosomes are last to disappear. Certain staining techniques cause components of the ribosomes to precipitate into characteristic "reticulum" (not the same as the endoplasmic retuculum), hence the name reticulocytes. Source: National Library of Medicine, MeSH 2006

Reference Information

Type Source Reference
Mapping Guidance Regenstrief Help Reticulocytes are reported as percents (per 100) of RBC's even if based on a count of 1000 RBC's or more. So the right term for a manual count is [LOINC: 31112-6] regardless of the number of cells counted. However, today it is most likely that these are done by automated methods [LOINC: 17849-1], not manual methods. Mapper’s Guide for the Top 2000 plus LOINC Laboratory Observations

Fully-Specified Name

Component
Reticulocytes/Erythrocytes
Property
NFr
Time
Pt
System
Bld
Scale
Qn
Method
Manual

Additional Names

Long Common Name
Reticulocytes/Erythrocytes in Blood by Manual
Short Name
Retics/RBC NFr Manual
Display Name
Reticulocytes/Erythrocytes Manual (Bld)
Consumer Name Alpha Get Info
Reticulocytes/Erythrocytes, Blood

Basic Attributes

Class
HEM/BC
Type
Laboratory
First Released
Version 2.07
Last Updated
Version 2.79 (NAM)
Change Reason
Release 2.79: COMPONENT: Triggered by Coll w SCT: This is a specific fraction case where the denominator is percentage or /100. Because the logic is that the percentage piece is captured by Property: NFr (Numeric Fraction), and by Unit: %, therefore, it is redundant to include "100" in the component; Previous Releases: The system of RBC had been an oversight. Reticulocytes are red blood cells, but the system of interest is blood
Order vs. Observation
Observation
Common Test Rank Get Info
962

Language Variants Get Info

Tag Language Translation
de-AT German (Austria) Synonyms: Retikulozyt. rel.mi.
de-DE German (Germany) Retikulozyten/Erythrozyten:Anzahl pro Fraktion:Zeitpunkt:Blut:Quantitativ:Manuell
es-AR Spanish (Argentina) reticulocitos/100 eritrocitos:fracción de un número:punto en el tiempo:eritrocitos:cuantitativo:manual
es-ES Spanish (Spain) Reticulocitos/100 eritrocitos:Fracción numérica:Punto temporal:Sangre:Qn:Manual
Synonyms: Cuantitativo
es-MX Spanish (Mexico) Reticulocitos / 100 eritrocitos:Fracción numérica:Punto temporal:Sangre:Cuantitativo:Manual
fr-CA French (Canada) Réticulocytes/Érythrocytes:Fraction numérique:Temps ponctuel:Sang:Quantitatif:Manuel
fr-FR French (France) Réticulocytes/100 érythrocytes:Fraction de nombres:Ponctuel:Sang:Numérique:Technique manuelle
it-IT Italian (Italy) Reticolociti/Eritrociti:NFr:Pt:Sangue:Qn:Manuale
Synonyms: Ematologia (coagulazione) conta differenziale Frazione numerica Punto nel tempo (episodio) Sangue
ko-KR Korean (Korea, Republic Of) 그물적혈구/100 적혈구:숫자분획:검사시점:적혈구:정량:수기
nl-NL Dutch (Netherlands) reticulocyten/100 erytrocyten:getalsfractie:moment:bloed:kwantitatief:manuele methode
Synonyms: handmatige methode
pl-PL Polish (Poland) Retykulocyty/100 erytrocytów:frakcja liczbowa:punkt w czasie:krew:ilościowy:manualna
pt-BR Portuguese (Brazil) Reticulóctos/100 eritrócitos^:NFr:Pt:Eritroc:Qn:Manual
Synonyms: ; Retics; Retic; Reticulocyte; Polychromatophilic red cells; Red blood corpusles; Red blood corpuscle; Erthrocyte; Erythrocyte; Red blood cell; Red cell; Red cells; Discocytes; Red blood cells; RBCS; 100 RBC; Retics/100 RBC; Fr; Number fraction; Percent; Point in time; Random; Quantitative; QNT; Quant; Quan; Manl; HEMATOLOGY/CELL COUNTS; HEMATOLOGY/CELL COUNTS
zh-CN Chinese (China) 网织红细胞/红细胞:计数型分数:时间点:全血:定量型:手工方法
Synonyms: RBC;RBCS;盘状细胞;红血球;红血细胞;血液制品 - 红细胞 RBC;盘状细胞;红血球;红血细胞 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 实验室手工方法;手工;手工法;手工类实验室方法;手工类方法;手工类检验方法 数量型分数;数量或计数型分数;数量型分数或计数型分数 时刻;随机;随意;瞬间 网状红血球;网状红血细胞;网织红 血;血液 血液学/细胞计数;血液学与细胞计数

Example Units

Unit Source
% Example UCUM Units
% REGENSTRIEF

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

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=31112-6