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 57563-9: 21-Deoxycortisol pre dose dexamethasone [Moles/Vol]

Name: LOINC Code 57563-9: 21-Deoxycortisol pre dose dexamethasone [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:38.757Z

57563-9 is a LOINC code used to identify 21-Deoxycortisol pre dose dexamethasone [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 21-Deoxycortisol^pre 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 21-Deoxycortisol^pre 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: Observation

What it does not mean

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

Key facts

21-Deoxycortisol [Moles/volume] in Serum or Plasma --pre dose dexamethasone
21-Deoxycortisol^pre dose dexamethasone
21DC; 21-DF; Before; c350; CHEMISTRY.CHALLENGE TESTING; Decadron; Dexameth; Dexone; Hexadrol; Level; Pl; Plasma; Plsm; Point in time; Pre Dex; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; 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

21-Deoxycortisol pre dose dexamethasone [Moles/Vol]21-Deoxycortisol [Moles/volume] in Serum or Plasma --pre dose dexamethasone21DC Pre Dex SerPl-sCnc21-Deoxycortisol^pre dose dexamethasoneCHAL21-Deoxycortisol before dose dexamethasone, BloodSCnc

Frequently asked questions

Code details

Code57563-9

SystemLOINC

Display name21-Deoxycortisol pre dose dexamethasone [Moles/Vol]

Description21-Deoxycortisol^pre dose dexamethasone

Short name21DC Pre Dex SerPl-sCnc

Component21-Deoxycortisol^pre dose dexamethasone

PropertySCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHAL

Example unitsnmol/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.70

Consumer names

21-Deoxycortisol before dose dexamethasone, Blood

Part names

21-Deoxycortisol^pre dose dexamethasoneSCncPtSer/PlasQnSubstance 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.