LOINCActiveObservation

LOINC Code 14677-9: Cortisol 24 Hr post 500 ug dexamethasone PO 2.5 day low dose q6h [Moles/Vol]

14677-9 is a LOINC code used to identify Cortisol 24 Hr post 500 ug dexamethasone PO 2.5 day low dose q6h [Moles/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 Cortisol^24H post 500 ug dexamethasone PO 2.5 day low dose q6h. It is commonly used with the system or sample type Ser/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 Cortisol^24H post 500 ug dexamethasone PO 2.5 day low dose q6h. 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: Observation

What it does not mean

  • The code identifies the observation or test, not the actual result.

Key facts

  • Cortisol [Moles/volume] in Serum or Plasma --24 hours post 500 ug dexamethasone PO 2.5 day low dose q6h
  • Cortisol^24H post 500 ug dexamethasone PO 2.5 day low dose q6h
  • 17-Hydroxycorticosterone; 24h p 500 ug Dex; After; c350; CHEMISTRY.CHALLENGE TESTING; Compound F; Coritsol; Cort; Decadron; Dexameth; Dexone; F; Hexadrol; hydrocortisone; Level; lo dose; mcg; p 500 ug Dex; Pl; Plasma; Plsm; Point in time; PST; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; Substance concentration

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

Cortisol 24 Hr post 500 ug dexamethasone PO 2.5 day low dose q6h [Moles/Vol]Cortisol [Moles/volume] in Serum or Plasma --24 hours post 500 ug dexamethasone PO 2.5 day low dose q6hCortis 24h p 500 ug Dex SerPl-sCncCortisol^24H post 500 ug dexamethasone PO 2.5 day low dose q6hCHALCortisol 24 hr after 500 ug Dexamethasone By Mouth 2.5 day Low dose Q6h, BloodSCnc

Frequently asked questions

Code details

Code14677-9
SystemLOINC
Display nameCortisol 24 Hr post 500 ug dexamethasone PO 2.5 day low dose q6h [Moles/Vol]
DescriptionCortisol^24H post 500 ug dexamethasone PO 2.5 day low dose q6h
Short nameCortis 24h p 500 ug Dex SerPl-sCnc
ComponentCortisol^24H post 500 ug dexamethasone PO 2.5 day low dose q6h
PropertySCnc
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassCHAL
Example unitsnmol/L
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

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

Consumer names

Cortisol 24 hr after 500 ug Dexamethasone By Mouth 2.5 day Low dose Q6h, Blood

Part names

Cortisol^24H post 500 ug dexamethasone PO 2.5 day low dose q6hSCncPtSer/PlasQnSubstance 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.