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.

LOINCActiveObservation

LOINC Code 58649-5: Cortisol 15 Min post 1 ug/kg CRH IV (Sal) [Moles/Vol]

Name: LOINC Code 58649-5: Cortisol 15 Min post 1 ug/kg CRH IV (Sal) [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:39.275Z

58649-5 is a LOINC code used to identify Cortisol 15 Min post 1 ug/kg CRH IV (Sal) [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^15M post 1 ug/kg CRH IV. It is commonly used with the system or sample type Saliva.

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 Cortisol^15M post 1 ug/kg CRH IV. 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: Observation

What it does not mean

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

Key facts

Cortisol [Moles/volume] in Saliva (oral fluid) --15 minutes post 1 ug/kg CRH IV
Cortisol^15M post 1 ug/kg CRH IV
15M p 1 ug/kg CRH IV; 17-Hydroxycorticosterone; After; CHEMISTRY.CHALLENGE TESTING; Compound F; Coritsol; Cort; F; hydrocortisone; i; Level; mcg; Oral fluid; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; Sal; Substance concentration

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 15 Min post 1 ug/kg CRH IV (Sal) [Moles/Vol]Cortisol [Moles/volume] in Saliva (oral fluid) --15 minutes post 1 ug/kg CRH IVCortis 15M p 1 ug/kg CRH IV Sal-sCncCortisol^15M post 1 ug/kg CRH IVCHALCortisol 15 min after 1 ug/kg CRH intravenous, SalivaSCnc

Frequently asked questions

Code details

Code58649-5

SystemLOINC

Display nameCortisol 15 Min post 1 ug/kg CRH IV (Sal) [Moles/Vol]

DescriptionCortisol^15M post 1 ug/kg CRH IV

Short nameCortis 15M p 1 ug/kg CRH IV Sal-sCnc

ComponentCortisol^15M post 1 ug/kg CRH IV

PropertySCnc

TimingPt

System (specimen)Saliva

ScaleQn

ClassCHAL

Example unitsnmol/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.32

Last changed2.70

Consumer names

Cortisol 15 min after 1 ug/kg CRH intravenous, Saliva

Part names

Cortisol^15M post 1 ug/kg CRH IVSCncPtSalivaQnSubstance 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.