LOINCActiveBoth

LOINC Code 83070-3: 25-hydroxyvitamin D IA [Mass/Vol]

83070-3 is a LOINC code used to identify 25-hydroxyvitamin D IA [Mass/Vol] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Calcidiol+ercalcidiol. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Calcidiol+ercalcidiol. It is commonly used with the system or sample type Ser/Plas.

When is it used?

  • Used in lab systems, EHRs, and clinical data exchange.
  • May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
  • Status: ACTIVE
  • Order vs observation: Both
  • Method: IA

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • 25-Hydroxyvitamin D3+25-Hydroxyvitamin D2 [Mass/volume] in Serum or Plasma by Immunoassay
  • Calcidiol+ercalcidiol
  • This term was created for, but is not limited in use to, bioMerieux's VIDAS 25-OH Vitamin D TOTAL assay, which is intended for the quantitative determination of total 25-hydroxyvitamin D in human serum or plasma.
  • 25 Hydroxyvitamin D 2; 25 Hydroxyvitamin D2; 25(OH)D2; 25(OH)D3; 25(OH)D3+25(OH)D2; 25-Hydroxy calciferol; 25-Hydroxy Vit D total; 25-Hydroxycalciferol; 25-hydroxycholecalciferol; 25-Hydroxyergocalciferol; 25-hydroxyvitamin D; 25-Hydroxyvitamin D 2; 25-hydroxyvitamin D 3; 25-Hydroxyvitamin D2; 25-hydroxyvitamin D3; 9,10-Secoergosta-5,7,10(19),22-tetraene-3 beta,25-diol; Calciderol; Calcidiol+Calciferol; Calcidiol+Ercalcidiol; Calcifediol; Chemistry; EIA; ELFA; ELISA; Enzyme immunoassay; Ercalcidiol; IAA; Level; Mass concentration; MEIA; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; SUDS; Vitamin D 25 hydroxy

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

25-hydroxyvitamin D IA [Mass/Vol]25-Hydroxyvitamin D3+25-Hydroxyvitamin D2 [Mass/volume] in Serum or Plasma by Immunoassay25(OH)D3+25(OH)D2 SerPl IA-mCncCalcidiol+ercalcidiolCHEM25-hydroxyvitamin D, BloodMCnc

Frequently asked questions

Code details

Code83070-3
SystemLOINC
Display name25-hydroxyvitamin D IA [Mass/Vol]
DescriptionCalcidiol+ercalcidiol
Short name25(OH)D3+25(OH)D2 SerPl IA-mCnc
ComponentCalcidiol+ercalcidiol
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
MethodIA
ClassCHEM
Example unitsng/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.58
Last changed2.68

Consumer names

25-hydroxyvitamin D, Blood

Part names

Calcidiol+ercalcidiolMCncPtSer/PlasQnIA25-Hydroxyvitamin D3+25-Hydroxyvitamin D2Mass ConcentrationPoint in time (spot)Serum or PlasmaImmunoassay

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 83070-3 | HealthAssure