What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 25882-2: Cortisol Free RIA (24H U) [Moles/Vol]

Name: LOINC Code 25882-2: Cortisol Free RIA (24H U) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

25882-2 is a LOINC code used to identify Cortisol Free RIA (24H U) [Moles/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 Urine.

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 Urine.

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: RIA

What it does not mean

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

Key facts

Cortisol Free [Moles/volume] in 24 hour Urine by Radioimmunoassay (RIA)
Cortisol.free
1 day; 17-Hydroxycorticosterone; 24 hours; 24HR; Chemistry; Compound F; Coritsol; Cort; Cortis F; F; FR; hydrocortisone; Level; Non-protein bound; QNT; Quan; Quant; Quantitative; RADIOIMMUNOASSAY; Substance concentration; UA; UR; Urn

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Cortisol Free RIA (24H U) [Moles/Vol] (25882-2)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Cortisol Free RIA (24H U) [Moles/Vol]Cortisol Free [Moles/volume] in 24 hour Urine by Radioimmunoassay (RIA)Cortis F 24h Ur RIA-sCncCortisol.freeCHEMFree cortisol, UrineSCnc

Frequently asked questions

Code details

Code25882-2

SystemLOINC

Display nameCortisol Free RIA (24H U) [Moles/Vol]

DescriptionCortisol.free

Short nameCortis F 24h Ur RIA-sCnc

ComponentCortisol.free

PropertySCnc

Timing24H

System (specimen)Urine

ScaleQn

MethodRIA

ClassCHEM

Example unitsnmol/L

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.00

Last changed2.42

Consumer names

Free cortisol, Urine

Part names

Cortisol.freeSCnc24HUrineQnRIACortisol FreeSubstance Concentration24 hoursRadioimmunoassay (RIA)

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.