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 47851-1: Cortisol post dose dexamethasone [Mass/Vol]

Name: LOINC Code 47851-1: Cortisol post dose dexamethasone [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:32.262Z

47851-1 is a LOINC code used to identify Cortisol post dose dexamethasone [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^post dose dexamethasone. 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 Cortisol^post dose dexamethasone. 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

Cortisol [Mass/volume] in Serum or Plasma --post dose dexamethasone
Cortisol^post dose dexamethasone
17-Hydroxycorticosterone; After; c350; CHEMISTRY.CHALLENGE TESTING; Compound F; Coritsol; Cort; Decadron; Dexameth; Dexone; F; Hexadrol; hydrocortisone; Level; Mass concentration; p Dex; p dose; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR

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 post dose dexamethasone [Mass/Vol]Cortisol [Mass/volume] in Serum or Plasma --post dose dexamethasoneCortis p Dex SerPl-mCncCortisol^post dose dexamethasoneCHALCortisol after dose dexamethasone, BloodMCnc

Frequently asked questions

Code details

Code47851-1

SystemLOINC

Display nameCortisol post dose dexamethasone [Mass/Vol]

DescriptionCortisol^post dose dexamethasone

Short nameCortis p Dex SerPl-mCnc

ComponentCortisol^post dose dexamethasone

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitspg/mL;ug/dL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.73

Consumer names

Cortisol after dose dexamethasone, Blood

Part names

Cortisol^post dose dexamethasoneMCncPtSer/PlasQnMass 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.