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 54213-4: Cortisol 4 days post dose corticotropin [Moles/Vol]

Name: LOINC Code 54213-4: Cortisol 4 days post dose corticotropin [Moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:36.582Z

54213-4 is a LOINC code used to identify Cortisol 4 days post dose corticotropin [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^4D post dose corticotropin. 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^4D post dose corticotropin. 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

Cortisol [Moles/volume] in Serum or Plasma --4 days post dose corticotropin
Cortisol^4D post dose corticotropin
17-Hydroxycorticosterone; 4D p Dex; ACTH; Adrenocorticotrophic hormone; Adrenocorticotropin; After; c206; c74; CHEMISTRY.CHALLENGE TESTING; Compound F; Coritsol; Cort; Cortrosyn; F; hydrocortisone; Level; p ACTH; p dose; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; Rc206; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Substance concentration; Tumor marker

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 4 days post dose corticotropin [Moles/Vol]Cortisol [Moles/volume] in Serum or Plasma --4 days post dose corticotropinCortis 4D p Dex SerPl-sCncCortisol^4D post dose corticotropinCHALCortisol 4 days after Corticotropin, BloodSCnc

Frequently asked questions

Code details

Code54213-4

SystemLOINC

Display nameCortisol 4 days post dose corticotropin [Moles/Vol]

DescriptionCortisol^4D post dose corticotropin

Short nameCortis 4D p Dex SerPl-sCnc

ComponentCortisol^4D post dose corticotropin

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 released2.27

Last changed2.70

Consumer names

Cortisol 4 days after Corticotropin, Blood

Part names

Cortisol^4D post dose corticotropinSCncPtSer/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.