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.

LOINC

LOINC Code 66378-1: Do you take cortisone, prednisone, other steroids, or anticancer drugs, or have you had radiation treatments [PhenX]

Name: LOINC Code 66378-1: Do you take cortisone, prednisone, other steroids, or anticancer drugs, or have you had radiation treatments [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:45.460Z

66378-1 is a LOINC code used to identify Do you take cortisone, prednisone, other steroids, or anticancer drugs, or have you had radiation treatments [PhenX] 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 Do you take cortisone, predniSONE, other steroids, or anticancer drugs, or have you had radiation treatments. It is commonly used with the system or sample type ^Patient.

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 Do you take cortisone, predniSONE, other steroids, or anticancer drugs, or have you had radiation treatments. It is commonly used with the system or sample type ^Patient.

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: TRIAL
Method: PhenX

What it does not mean

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

Key facts

Do you take cortisone, prednisone, other steroids, or anticancer drugs, or have you had radiation treatments [PhenX]
Do you take cortisone, predniSONE, other steroids, or anticancer drugs, or have you had radiation treatments
11-beta HSD; 11-beta-HSD1; 11-beta-HSD2; 11-beta-hydroxy steroid dehydrogenase; 11-ß-HSD1; 11-ß-HSD2; c155; C254; Compound E; Cortan; Deltasone; Drug; Finding; Findings; Liquid Pred; Meticorten; Orasone; Ordinal; Othr; Panasol-S; Point in time; Prednicen-M; QL; Qual; Qualitative; Random; Screen; Ste; Steriods; Steroid; Steroids anti-CA drugs radiation; Tx; Txs

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

Do you take cortisone, prednisone, other steroids, or anticancer drugs, or have you had radiation treatments [PhenX]Steroids anti-CA drugs radiation PhenXDo you take cortisone, predniSONE, other steroids, or anticancer drugs, or have you had radiation treatmentsPHENXFindPt^Patient

Frequently asked questions

Code details

Code66378-1

SystemLOINC

Display nameDo you take cortisone, prednisone, other steroids, or anticancer drugs, or have you had radiation treatments [PhenX]

DescriptionDo you take cortisone, predniSONE, other steroids, or anticancer drugs, or have you had radiation treatments

Short nameSteroids anti-CA drugs radiation PhenX

ComponentDo you take cortisone, predniSONE, other steroids, or anticancer drugs, or have you had radiation treatments

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

MethodPhenX

ClassPHENX

StatusTRIAL

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.65

Part names

Do you take cortisone, predniSONE, other steroids, or anticancer drugs, or have you had radiation treatmentsFindPt^PatientOrdPhenXFindingPoint in time (spot)

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.