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Term Description

Positive sharp waves occur when the needle tip damages a muscle fiber, which causes a spontaneous action potential to propagate up to the needle tip. These are similar to muscle fibrillation and also occur in acutely denervated fibers. PMID: 15961866

LOINC Names Get Info

Fully-Specified Name
Spontaneous activity.positive sharp waves:Find:Pt:Muscle:Ord:EMG
Long Common Name
Spontaneous activity.positive sharp waves of Muscle on EMG
Short Name
Spont activity.PSWs Muscle EMG

Part Model Get Info

  • Component
    Spontaneous activity.positive sharp waves
    LP429004-7
    • Analyte
      Spontaneous activity.positive sharp waves
      LP429004-7
      • Component Numerator
        Spontaneous activity.positive sharp waves
        LP429004-7
        • Component Numerator Core
          Spontaneous activity.positive sharp waves
          LP429004-7
        • Component Numerator Core Suffix
          NULL
           
      • Component Denominator
        NULL
         
        • Component Denominator Core
          NULL
           
        • Component Denominator Core Suffix
          NULL
           
    • Challenge
      NULL
       
    • Adjustment
      NULL
       
    • Count
      NULL
       
  • Property
    Find
    LP6813-2
  • Time
    Pt
    LP6960-1
  • System
    Muscle
    LP33444-8
  • Scale
    Ord
    LP7751-3
  • Method
    EMG
    LP102224-5

Example Answer List: LL6042-7

Source: National Library of Medicine
AnswerCodeScoreAnswer ID
NegativeCopyright http://snomed.info/sct ID:260385009 Negative (qualifier value)LA6577-6
1+LA11841-6
2+LA11842-4
3+LA11843-2
4+LA11844-0

Basic Attributes

Class
NEURO
Type
Clinical
First Released
Version 2.72
Last Updated
Version 2.72 (ADD)
Order vs. Observation
Observation

Member of these Panels

LOINCLong Common Name
98716-4Electromyography panel
98604-2Nerve conduction study panel Nerve

Language Variants Get Info

TagLanguageTranslation
el-GRGreek (Greece)Αυθόρμητη δραστηριότητα.θετικά οξύαιχμα κύματα:Εύρεση:Pt:Μυς:Ord:ΗΜΓ
Synonyms: NEURO Ord Pt Αυθόρμητη δραστηριότητα Αυθόρμητη δραστηριότητα.θετικά οξύαιχμα κύματα Δραστηριότητα Εύρεση ΗΜΓ Μυς
it-ITItalian (Italy)Attività spontanea.onde aguzze positive:Osservazione:Pt:Muscolo:Ord:EMG
Synonyms: Attività spontanea.onde sharp positive Neurologia Osservazione Punto nel tempo (episodio)
zh-CNChinese (China)自发活动.正锐波:发现:时间点:肌肉:序数型:EMG
Synonyms: 依次型;分类顺序型;定性的;序数型（或称等级型）;性质上的;有序型;有序性分类应答;有序性分类结果;秩次型;等级型;筛查;顺序型 发现是一个原子型临床观察指标，并不是作为印象的概括陈述。体格检查、病史、系统检查及其他此类观察指标的属性均为发现。它们的标尺对于编码型发现可能是名义型，而对于叙述型文本之中所报告的发现，则可能是叙述型。;发现物;所见;结果;结论 时刻;随机;随意;瞬间 活动 神经学;神经科;神经内科;神经内;神内;脑神经科 结果阳性 肌肉 自发性活动;自发型活动;自发式活动;自发运动 自发活动（自发性活动、自发型活动、自发式活动、自发运动）.正锐波（正尖波） 试验阳性 试验阳性的 阳性结果

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=98720-6