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LOINC Code 17527-3: Retinol Free [Mass/Vol]

17527-3 is a LOINC code used to identify Retinol Free [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 Retinol.free. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Retinol.free. 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

What it does not mean

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

Key facts

  • Retinol Free [Mass/volume] in Serum or Plasma
  • Retinol.free
  • Axerol; Axerophthol; Biosterol; Chemistry; FR; Level; Mass concentration; Non-protein bound; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Vit A; Vit A alcohol; Vit A Free; Vit A1; Vit A1 alcohol; Vitamin A; Vitamin A alcohol; Vitamin A1

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

Retinol Free [Mass/Vol]Retinol Free [Mass/volume] in Serum or PlasmaVit A Free SerPl-mCncRetinol.freeCHEMFree retinol, BloodMCnc

Frequently asked questions

Code details

Code17527-3
SystemLOINC
Display nameRetinol Free [Mass/Vol]
DescriptionRetinol.free
Short nameVit A Free SerPl-mCnc
ComponentRetinol.free
PropertyMCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHEM
Example unitsug/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

Free retinol, Blood

Part names

Retinol.freeMCncPtSer/PlasQnRetinol FreeMass ConcentrationPoint in time (spot)Serum or Plasma

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 17527-3 | HealthAssure