LOINCActiveObservation

LOINC Code 1457-1: Creatinine pre 40 ug corticotropin IM 3 day (24H U) [Mass/Vol]

1457-1 is a LOINC code used to identify Creatinine pre 40 ug corticotropin IM 3 day (24H U) [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 Creatinine^pre 40 ug corticotropin IM 3 day. It is commonly used with the system or sample type Urine.

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 Creatinine^pre 40 ug corticotropin IM 3 day. It is commonly used with the system or sample type Urine.

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

  • Creatinine [Mass/volume] in 24 hour Urine --pre 40 ug corticotropin IM 3 day
  • Creatinine^pre 40 ug corticotropin IM 3 day
  • 1 day; 24 hours; 24HR; ACTH; Adrenocorticotrophic hormone; Adrenocorticotropin; Before; c206; c74; CHEMISTRY.CHALLENGE TESTING; Cortrosyn; CR; Crea; Creat; III; Level; Mass concentration; mcg; pre 40 ug ACTH IM; QNT; Quan; Quant; Quantitative; Rc206; Tumor marker; UA; UCr; UR; Urn

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

Creatinine pre 40 ug corticotropin IM 3 day (24H U) [Mass/Vol]Creatinine [Mass/volume] in 24 hour Urine --pre 40 ug corticotropin IM 3 dayCreat pre 40 ug ACTH IM 24h Ur-mCncCreatinine^pre 40 ug corticotropin IM 3 dayCHALCreatinine before 40 ug Corticotropin Intramuscular 3 Day, UrineMCnc

Frequently asked questions

Code details

Code1457-1
SystemLOINC
Display nameCreatinine pre 40 ug corticotropin IM 3 day (24H U) [Mass/Vol]
DescriptionCreatinine^pre 40 ug corticotropin IM 3 day
Short nameCreat pre 40 ug ACTH IM 24h Ur-mCnc
ComponentCreatinine^pre 40 ug corticotropin IM 3 day
PropertyMCnc
Timing24H
System (specimen)Urine
ScaleQn
ClassCHAL
Example unitsg/L; mcg/mL; mg/dL; mg/mL
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0
Last changed2.40

Consumer names

Creatinine before 40 ug Corticotropin Intramuscular 3 Day, Urine

Part names

Creatinine^pre 40 ug corticotropin IM 3 dayMCnc24HUrineQnMass Concentration24 hours

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.