LOINCActiveBoth

LOINC Code 18365-7: Cortisol Free (Sal) [Mass/Vol]

18365-7 is a LOINC code used to identify Cortisol Free (Sal) [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 Cortisol.free. It is commonly used with the system or sample type Saliva.

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 Cortisol.free. It is commonly used with the system or sample type Saliva.

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

  • Cortisol Free [Mass/volume] in Saliva (oral fluid)
  • Cortisol.free
  • 17-Hydroxycorticosterone; Chemistry; Compound F; Coritsol; Cort; Cortis F; F; FR; hydrocortisone; Level; Mass concentration; Non-protein bound; Oral fluid; Point in time; QNT; Quan; Quant; Quantitative; Random; Sal

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

Cortisol Free (Sal) [Mass/Vol]Cortisol Free [Mass/volume] in Saliva (oral fluid)Cortis F Sal-mCncCortisol.freeCHEMFree cortisol, SalivaMCnc

Frequently asked questions

Code details

Code18365-7
SystemLOINC
Display nameCortisol Free (Sal) [Mass/Vol]
DescriptionCortisol.free
Short nameCortis F Sal-mCnc
ComponentCortisol.free
PropertyMCnc
TimingPt
System (specimen)Saliva
ScaleQn
ClassCHEM
Example unitsug/dL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Free cortisol, Saliva

Part names

Cortisol.freeMCncPtSalivaQnCortisol FreeMass ConcentrationPoint in time (spot)

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 18365-7 | HealthAssure