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 57629-8: Alpha cortolone pre high dose dexamethasone (24H U) [Mass/Vol]

Name: LOINC Code 57629-8: Alpha cortolone pre high dose dexamethasone (24H U) [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:38.757Z

57629-8 is a LOINC code used to identify Alpha cortolone pre high dose dexamethasone (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 Alpha cortolone^pre high dose dexamethasone. 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 Alpha cortolone^pre high dose dexamethasone. 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

Alpha cortolone [Mass/volume] in 24 hour Urine --pre high dose dexamethasone
Alpha cortolone^pre high dose dexamethasone
1 day; 24 hours; 24HR; A-cortolone; Alfa; Before; c350; CHEMISTRY.CHALLENGE TESTING; Cortisol metabolite; Decadron; Dexameth; Dexone; Hexadrol; hi dose; Level; Mass concentration; pre hi Dex; QNT; Quan; Quant; Quantitative; UA; 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

Alpha cortolone pre high dose dexamethasone (24H U) [Mass/Vol]Alpha cortolone [Mass/volume] in 24 hour Urine --pre high dose dexamethasoneA-cortolone pre hi Dex 24h Ur-mCncAlpha cortolone^pre high dose dexamethasoneCHALAlpha cortolone before high dose dexamethasone, UrineMCnc

Frequently asked questions

Code details

Code57629-8

SystemLOINC

Display nameAlpha cortolone pre high dose dexamethasone (24H U) [Mass/Vol]

DescriptionAlpha cortolone^pre high dose dexamethasone

Short nameA-cortolone pre hi Dex 24h Ur-mCnc

ComponentAlpha cortolone^pre high dose dexamethasone

PropertyMCnc

Timing24H

System (specimen)Urine

ScaleQn

ClassCHAL

Example unitsmg/L

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.70

Consumer names

Alpha cortolone before high dose dexamethasone, Urine

Part names

Alpha cortolone^pre high dose dexamethasoneMCnc24HUrineQnMass 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.