LOINC

LOINC Code 64498-9: Medication dose Narrative [PhenX] --Pre excercise

64498-9 is a LOINC code used to identify Medication dose Narrative [PhenX] --Pre excercise 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 Medication dose^pre exercise. 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 Medication dose^pre exercise. 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

  • Medication dose Narrative [PhenX] --Pre excercise
  • Medication dose^pre exercise
  • Medication taken before test dose and time
  • Before; EXCZ; Finding; Findings; Narrative; Point in time; pre Exc; Pre exercise; Random; Report

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

Medication dose Narrative [PhenX] --Pre excerciseMedication dose pre Exc PhenXMedication dose^pre exercisePHENXFindPt^Patient

Frequently asked questions

Code details

Code64498-9
SystemLOINC
Display nameMedication dose Narrative [PhenX] --Pre excercise
DescriptionMedication dose^pre exercise
Short nameMedication dose pre Exc PhenX
ComponentMedication dose^pre exercise
PropertyFind
TimingPt
System (specimen)^Patient
ScaleNar
MethodPhenX
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.65

Part names

Medication dose^pre exerciseFindPt^PatientNarPhenXFindingPoint 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.

LOINC Code 64498-9 | HealthAssure