LOINCActiveObservation

LOINC Code 54237-3: Corticotropin 9 AM 2nd day specimen (P) [Mass/Vol]

54237-3 is a LOINC code used to identify Corticotropin 9 AM 2nd day specimen (P) [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 Corticotropin^9 AM 2nd day specimen. It is commonly used with the system or sample type 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 Corticotropin^9 AM 2nd day specimen. It is commonly used with the system or sample type 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

  • Corticotropin [Mass/volume] in Plasma --9 AM 2nd day specimen
  • Corticotropin^9 AM 2nd day specimen
  • 9 AM day 2; ACTH; Adrenocorticotrophic hormone; Adrenocorticotropin; c206; c74; CHEMISTRY.CHALLENGE TESTING; Cortrosyn; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Rc206; Second; Spec; 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

Corticotropin 9 AM 2nd day specimen (P) [Mass/Vol]Corticotropin [Mass/volume] in Plasma --9 AM 2nd day specimenACTH 9 AM day 2 Plas-mCncCorticotropin^9 AM 2nd day specimenCHALCorticotropin 9 AM 2nd day specimen, BloodMCnc

Frequently asked questions

Code details

Code54237-3
SystemLOINC
Display nameCorticotropin 9 AM 2nd day specimen (P) [Mass/Vol]
DescriptionCorticotropin^9 AM 2nd day specimen
Short nameACTH 9 AM day 2 Plas-mCnc
ComponentCorticotropin^9 AM 2nd day specimen
PropertyMCnc
TimingPt
System (specimen)Plas
ScaleQn
ClassCHAL
Example unitspg/mL;ng/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.27
Last changed2.40

Consumer names

Corticotropin 9 AM 2nd day specimen, Blood

Part names

Corticotropin^9 AM 2nd day specimenMCncPtPlasQnMass ConcentrationPoint in time (spot)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.

LOINC Code 54237-3 | HealthAssure