LOINC
Version 2.67

49543-2Deprecated Calcidiol+Calciferol [Mass/volume] in Serum or PlasmaDeprecated

Status Information

Status
Deprecated
Reason
Ambiguous
Comment
Term was ambiguously named using an imprecise chemical name for one of the components. Formally, the chemical species name for 25-OH vitamin D3 is "calcidiol", which is correct. The second chemical species stated in the component name, "calciferol", does NOT convey the meaning of 25-OH vitamin D2. Rather the name "calciferol" conveys the parent vitamin D prohormone, not the intention of the test. LOINC 62292-8 conveys the meaning of the same test and is more clearly named. Therefore, the LOINC Committee recommends using this term instead. Additionally, 49543-2 has been replace by 62292-8 in panel term 49590-3, Calcidiol and Calciferol panel.
Map-To Long Common Name Mapping Guidance
62292-8 25-Hydroxyvitamin D2+25-Hydroxyvitamin D3 [Mass/volume] in Serum or Plasma

Part Description

LP64575-1   Calcidiol+Calciferol
Calcidiol+Calciferol is used to assess patients' vitamin D status, evaluate hypo and hypercalcemia and to investigate the causes of osteomalacia and rickets. Also useful in monitoring vitamin D replacement therapy. Vitamin D is the principal regulator of calcium homeostasis. It is particularly important in skeletal development and bone mineralization. Vitamin D is a prohormone because it has no hormone activity itself, but is converted to a molecule which does. The active form of vitamin D is 1alpha, 25-dihydroxyvitamin D or 1,25(OH2)D (when D is used without a subscript it refers to either D2 or D3). The two forms of vitamin D used for nutritional supplementation are the secosterols ergocalciferol (vitamin D2) and cholecalciferol (vitamin D3). Source: Regenstrief Institute

Fully-Specified Name

Component
Calcidiol+Calciferol
Property
MCnc
Time
Pt
System
Ser/Plas
Scale
Qn
Method

Additional Names

Short Name
Deprecated Calcidiol+Calciferol SerPl-mC
Display Name
25-hydroxyvitamin D3+Vitamin D2 [Mass/Vol]

Basic Attributes

Class
CHEM
Type
Laboratory
First Released
Version 2.22
Last Updated
Version 2.52
Order vs. Observation
Both

Member of these Groups

LG43468-4 Calcidiol+Calciferol|Pt|Ser/Plas

Language Variants Get Info

zh-CNChinese (CHINA)
钙二醇+钙化醇:质量浓度:时间点:血清/血浆:定量型:
nl-NLDutch (NETHERLANDS)
calcidiol + calciferol:massa/volume:moment:serum of plasma:kwantitatief:
et-EEEstonian (ESTONIA)
Kaltsidiool+ kaltsiferool:MCnc:Pt:S/P:Qn:
fr-BEFrench (BELGIUM)
Calcidiol+Calciférol:Concentration de masse:Temps ponctuel:Sérum/Plasma:Quantitatif:
fr-CAFrench (CANADA)
Calcidiol+Calciférol:Concentration de masse:Temps ponctuel:Sérum/Plasma:Quantitatif:
it-ITItalian (ITALY)
Calcidiolo+Calciferolo:MCnc:Pt:Siero/Plasma:Qn:
pt-BRPortuguese (BRAZIL)
Calcitriol & Calciferol:MCnc:Pt:Sor/Plas:Qn:
ru-RURussian (RUSSIAN FEDERATION)
Кальцидиол+Кальциферол:МассКонц:ТчкВрм:Сыв/Плаз:Колич:
es-ESSpanish (SPAIN)
Calcidiol+Calciferol:Concentración de masa:Punto temporal:Suero o Plasma:Qn:
tr-TRTurkish (TURKEY)
Kalsidiol+Kalsiferol:KütlKons:Zmlı:Ser/Plaz:Kant:

Example Units

Unit Source
ng/mL Example UCUM Units
ng/mL Original Submission
ng/mL REGENSTRIEF
pg/mL REGENSTRIEF

LOINC FHIR® API Example - CodeSystem Request Get Info

https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=49543-2