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 12462-8: Corticotropin 6th specimen post Unsp challenge (P) [Mass/Vol]

Name: LOINC Code 12462-8: Corticotropin 6th specimen post Unsp challenge (P) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:22.976Z

12462-8 is a LOINC code used to identify Corticotropin 6th specimen post Unsp challenge (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^6th specimen post XXX challenge. 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^6th specimen post XXX challenge. 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 --6th specimen post XXX challenge
Corticotropin^6th specimen post XXX challenge
ACTH; Adrenocorticotrophic hormone; Adrenocorticotropin; After; c206; c74; CHEMISTRY.CHALLENGE TESTING; Cortrosyn; Level; Mass concentration; p chal; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; Rc206; sp6; sp6 p chal; 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 6th specimen post Unsp challenge (P) [Mass/Vol]Corticotropin [Mass/volume] in Plasma --6th specimen post XXX challengeACTH sp6 p chal Plas-mCncCorticotropin^6th specimen post XXX challengeCHALCorticotropin 6th specimen after challenge, BloodMCnc

Frequently asked questions

Code details

Code12462-8

SystemLOINC

Display nameCorticotropin 6th specimen post Unsp challenge (P) [Mass/Vol]

DescriptionCorticotropin^6th specimen post XXX challenge

Short nameACTH sp6 p chal Plas-mCnc

ComponentCorticotropin^6th specimen post XXX challenge

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 released1.0j-a

Last changed2.73

Consumer names

Corticotropin 6th specimen after challenge, Blood

Part names

Corticotropin^6th specimen post XXX challengeMCncPtPlasQnMass 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.