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 57626-4: Alpha cortol pre dose dexamethasone (24H U) [Mass/Time]

Name: LOINC Code 57626-4: Alpha cortol pre dose dexamethasone (24H U) [Mass/Time]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:38.757Z

57626-4 is a LOINC code used to identify Alpha cortol pre dose dexamethasone (24H U) [Mass/Time] 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 cortol^pre 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 cortol^pre 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 cortol [Mass/time] in 24 hour Urine --pre dose dexamethasone
Alpha cortol^pre dose dexamethasone
1 day; 24 hours; 24HR; A-Cortol; Alfa; Before; c350; CHEMISTRY.CHALLENGE TESTING; Decadron; Dexameth; Dexone; Hexadrol; Mass rate; mRate; Pre 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 cortol pre dose dexamethasone (24H U) [Mass/Time]Alpha cortol [Mass/time] in 24 hour Urine --pre dose dexamethasoneA-Cortol Pre Dex 24h Ur-mRateAlpha cortol^pre dose dexamethasoneCHALAlpha cortol before dose dexamethasone, UrineMRat

Frequently asked questions

Code details

Code57626-4

SystemLOINC

Display nameAlpha cortol pre dose dexamethasone (24H U) [Mass/Time]

DescriptionAlpha cortol^pre dose dexamethasone

Short nameA-Cortol Pre Dex 24h Ur-mRate

ComponentAlpha cortol^pre dose dexamethasone

PropertyMRat

Timing24H

System (specimen)Urine

ScaleQn

ClassCHAL

Example unitsmg/24 H

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.29

Last changed2.70

Consumer names

Alpha cortol before dose dexamethasone, Urine

Part names

Alpha cortol^pre dose dexamethasoneMRat24HUrineQnMass Rate24 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.