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 63663-9: Have you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed [PhenX]

Name: LOINC Code 63663-9: Have you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed [PhenX]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:42.802Z

63663-9 is a LOINC code used to identify Have you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed [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 Have you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed. 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 Have you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed. 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

Have you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed [PhenX]
Have you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed
Drug; Finding; Findings; Meds drugs ever; Meds drugs feel high; Ordinal; Point in time; QL; Qual; Qualitative; Random; Rx; Screen

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

Have you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed [PhenX]Meds drugs feel high PhenXHave you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribedPHENXFindPt^Patient

Frequently asked questions

Code details

Code63663-9

SystemLOINC

Display nameHave you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed [PhenX]

DescriptionHave you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed

Short nameMeds drugs feel high PhenX

ComponentHave you ever used any of these medicines or drugs to feel good or high, or to feel more active or alert - or did you use any prescription drugs when they were not prescribed, or more than prescribed

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

MethodPhenX

ClassPHENX

StatusTRIAL

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.36

Last changed2.65

Part names

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.