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 14149-9: Corticotropin Big Fragment [Mass/Vol]

Name: LOINC Code 14149-9: Corticotropin Big Fragment [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

14149-9 is a LOINC code used to identify Corticotropin Big Fragment [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.big fragment. It is commonly used with the system or sample type Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 25 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.big fragment. 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

Corticotropin Big Fragment [Mass/volume] in Serum or Plasma
Corticotropin.big fragment
High molecular wt fragment of ACTH; high levels found in ectopic tumor syndrome and certain malignancies; low levels in Addisons disease.
ACTH; ACTH Big Frg; Adrenocorticotrophic hormone; Adrenocorticotropin; c206; c74; Chemistry; Cortrosyn; Frag; Fragments; Level; Mass concentration; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; Rc206; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; 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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Corticotropin Big Fragment [Mass/Vol] (14149-9)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Corticotropin Big Fragment [Mass/Vol]Corticotropin Big Fragment [Mass/volume] in Serum or PlasmaACTH Big Frg SerPl-mCncCorticotropin.big fragmentCHEMCorticotropin big fragment, BloodMCnc

Frequently asked questions

Code details

Code14149-9

SystemLOINC

Display nameCorticotropin Big Fragment [Mass/Vol]

DescriptionCorticotropin.big fragment

Short nameACTH Big Frg SerPl-mCnc

ComponentCorticotropin.big fragment

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHEM

Example unitspg/mL

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0k

Last changed2.73

Consumer names

Corticotropin big fragment, Blood

Part names

Corticotropin.big fragmentMCncPtSer/PlasQnCorticotropin Big FragmentMass 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.