LOINCActiveObservation

LOINC Code 98722-2: Spontaneous activity.fasciculation of Muscle on EMG

98722-2 is a LOINC code used to identify Spontaneous activity.fasciculation of Muscle on EMG 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 Spontaneous activity.fasciculation. 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 Spontaneous activity.fasciculation. 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
  • Method: EMG

What it does not mean

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

Key facts

Spontaneous activity.fasciculation of Muscle on EMG
Spontaneous activity.fasciculation
Fasciculations are spontaneous discharges that occur in a partial or whole single motor unit at irregular intervals. They are more complex than fibrillations and can be visible if they occur at the surface of a muscle. [PMID15961866]
Activ; Actvty; Finding; Findings; Movements; Musc; Muscl; NEURO; Ordinal; Point in time; QL; Qual; Qualitative; Random; Screen; Spont activity; Spont activity.fasciculation

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

Spontaneous activity.fasciculation of Muscle on EMGSpont activity.fasciculation Muscle EMGSpontaneous activity.fasciculationNEUROFindPtMuscle

Frequently asked questions

Code details

Code98722-2
SystemLOINC
Display nameSpontaneous activity.fasciculation of Muscle on EMG
DescriptionSpontaneous activity.fasciculation
Short nameSpont activity.fasciculation Muscle EMG
ComponentSpontaneous activity.fasciculation
PropertyFind
TimingPt
System (specimen)Muscle
ScaleOrd
MethodEMG
ClassNEURO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.72
Last changed2.72

Part names

Spontaneous activity.fasciculationFindPtMuscleOrdEMGFindingPoint 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 98722-2 | HealthAssure