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.

LOINCActiveObservation

LOINC Code 98714-9: Percent change in action potential amplitude [Ratio] Muscle --post repetitive stimulation

Name: LOINC Code 98714-9: Percent change in action potential amplitude [Ratio] Muscle --post repetitive stimulation
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:31.431Z

98714-9 is a LOINC code used to identify Percent change in action potential amplitude [Ratio] Muscle --post repetitive stimulation 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 Percent change in action potential amplitude^post repetitive stimulation. It is commonly used with the system or sample type Muscle.

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 Percent change in action potential amplitude^post repetitive stimulation. It is commonly used with the system or sample type Muscle.

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

Percent change in action potential amplitude [Ratio] Muscle --post repetitive stimulation

Percent change in action potential amplitude^post repetitive stimulation

The percent increase or decrease in the action potential amplitude of the 4th of 5th wave compared to the 1st wave. [PMID15961865]

After; Exchange; Musc; Muscl; NEURO; p rptv stim; Point in time; Prcnt chng AP amp; PST; QNT; Quan; Quant; Quantitative; Random; Ratios; Replace; Rto; Stim

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

Percent change in action potential amplitude [Ratio] Muscle --post repetitive stimulationPrcnt chng AP amp p rptv stim MusclePercent change in action potential amplitude^post repetitive stimulationNEURORatioPtMuscle

Frequently asked questions

Code details

Code98714-9

SystemLOINC

Display namePercent change in action potential amplitude [Ratio] Muscle --post repetitive stimulation

DescriptionPercent change in action potential amplitude^post repetitive stimulation

Short namePrcnt chng AP amp p rptv stim Muscle

ComponentPercent change in action potential amplitude^post repetitive stimulation

PropertyRatio

TimingPt

System (specimen)Muscle

ScaleQn

ClassNEURO

Example units%

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Part names

Percent change in action potential amplitude^post repetitive stimulationRatioPtMuscleQnPoint 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.