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.

LOINCBoth

LOINC Code 66733-7: Cortisol afternoon specimen [Mass or moles/Vol]

Name: LOINC Code 66733-7: Cortisol afternoon specimen [Mass or moles/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:46.212Z

66733-7 is a LOINC code used to identify Cortisol afternoon specimen [Mass or 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^afternoon specimen. 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^afternoon specimen. 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: DISCOURAGED
Order vs observation: Both

What it does not mean

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

Key facts

Cortisol [Mass or Moles/volume] in Serum or Plasma --afternoon specimen
Cortisol^afternoon specimen
17-Hydroxycorticosterone; Chemistry; Compound F; Coritsol; Cort; F; hydrocortisone; Level; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; Spec; SR

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 afternoon specimen [Mass or moles/Vol]Cortisol [Mass or Moles/volume] in Serum or Plasma --afternoon specimenCortis afternoon SerPl-msCncCortisol^afternoon specimenCHEMCortisol Afternoon specimen, BloodMSCnc

Frequently asked questions

Code details

Code66733-7

SystemLOINC

Display nameCortisol afternoon specimen [Mass or moles/Vol]

DescriptionCortisol^afternoon specimen

Short nameCortis afternoon SerPl-msCnc

ComponentCortisol^afternoon specimen

PropertyMSCnc

TimingPt

System (specimen)Ser/Plas

ScaleQn

ClassCHEM

Example unitsug/dL , nmol/L

StatusDISCOURAGED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.70

Consumer names

Cortisol Afternoon specimen, Blood

Part names

Cortisol^afternoon specimenMSCncPtSer/PlasQnMass or Substance 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.