R94.31
BillableAbnormal electrocardiogram [ECG] [EKG]
Abnormal electrocardiogram [ECG] [EKG]
Coding Notes
Includes
Conditions included under this code
- nonspecific abnormal findings on diagnostic imaging by computerized axial tomography [CAT scan]
- nonspecific abnormal findings on diagnostic imaging by magnetic resonance imaging [MRI][NMR]
- nonspecific abnormal findings on diagnostic imaging by positron emission tomography [PET scan]
- nonspecific abnormal findings on diagnostic imaging by thermography
- nonspecific abnormal findings on diagnostic imaging by ultrasound [echogram]
- nonspecific abnormal findings on diagnostic imaging by X-ray examination
- abnormal results of radionuclide [radioisotope] uptake studies
- abnormal results of scintigraphy
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Also Known As / Clinical Terms
SNOMED CT
- Left axis deviation greater than -90 degrees by EKG398002
- Left axis deviation greater than -90 degrees by electrocardiogram398002
- Prolonged QRS complex991002
- Wide QRS complex991002
- Septal infarction by EKG1077002
- Septal infarction by electrocardiogram1077002
- EKG hypertrophy1155004
- Myocardial hypertrophy, determined by electrocardiogram1155004
- Quinidine toxicity by EKG2398007
- Quinidine toxicity by electrocardiogram2398007
- Digitalis toxicity by EKG6412007
- Digitalis toxicity by electrocardiogram6412007
- Inferior infarction by EKG7326005
- Inferior myocardial infarction on electrocardiogram7326005
- Low ventricular voltage by EKG20329001
- Low ventricular voltage by electrocardiogram20329001
- Left ventricular hypertrophy by EKG25488008
- Left ventricular hypertrophy by electrocardiogram25488008
- ST depression26141007
- ST segment depression26141007
- Left ventricular S-T changes27649004
- Left ventricular ST changes27649004
- Narrow QRS complex28630001
- Shortened QRS complex28630001
- EKG axis perpendicular to frontal plane29489007
- Electrocardiographic axis perpendicular to frontal plane29489007
- Diminished LV forces by EKG38531000
- Diminished left ventricle forces by electrocardiogram38531000
- LAD - Left axis deviation39732003
- Left axis deviation39732003
- Anterolateral infarction by EKG43630006
- Anterolateral infarction by electrocardiogram43630006
- Diminished RV forces by EKG44325009
- Diminished right ventricle forces by electrocardiogram44325009
- Right ventricular S-T changes44998009
- Right ventricular ST changes44998009
- RAD - Right axis deviation47665007
- Right axis deviation47665007
- Shortened PR interval49578007
- ECG ST segment changes55930002
- EKG ST segment changes55930002
- Electrocardiographic ST segment changes55930002
- S-T changes55930002
- Prolonged ST segment56260006
- Decreased EKG voltage59462000
- Decreased electrocardiogram voltage59462000
- Inverted T wave59931005
- T wave inversion in EKG59931005
- Counterclockwise vectorcardiographic loop61721007
- Flattened T wave66812002
- Shortened ST interval69318006
- Posterior infarction by EKG73999000
- Posterior myocardial infarction on electrocardiogram73999000
- ST segment elevation76388001
- Right atrial hypertrophy by EKG77566008
- Right atrial hypertrophy by electrocardiogram77566008
- Decreased QT interval77867006
- Shortened QT interval77867006
- Atrial hypertrophy by EKG82281000
- Hypertrophy of cardiac atrium, determined by electrocardiogram82281000
- Hypertrophy of cardiac ventricle, determined by electrocardiogram83370008
- Ventricular hypertrophy by EKG83370008
- Hypertrophy of left cardiac atrium, determined by electrocardiogram87469009
- Left atrial hypertrophy by EKG87469009
- Abnormal ECG102594003
- Abnormal EKG finding102594003
- Electrocardiogram abnormal102594003
- Ambulatory ECG abnormal164852001
- Ambulatory electrocardiogram abnormal164852001
- ECG myocardial ischaemia164861001
- EKG myocardial ischemia164861001
- Electrocardiographic myocardial ischaemia164861001
- Electrocardiographic myocardial ischemia164861001
- ECG: myocardial infarction164865005
- EKG: myocardial infarction164865005
- Electrocardiogram finding of infarction164865005
- Electrocardiographic myocardial infarction164865005
- Anteroseptal infarction on electrocardiogram164868007
- ECG: antero-septal infarct164868007
- ECG: anteroseptal infarction164868007
- Electrocardiogram: anteroseptal infarction164868007
- ECG:posterior/inferior infarct164869004
- EKG:posterior/inferior infarct164869004
- Electrocardiographic posterior/inferior infarct164869004
- ECG: lateral infarction164871004
- Electrocardiogram: lateral infarction164871004
- Lateral infarction on electrocardiogram164871004
- ECG: LVH164873001
- ECG: Left ventricular hypertrophy164873001
- ECG:left ventricle hypertrophy164873001
- EKG:left ventricle hypertrophy164873001
- Electrocardiographic left ventricle hypertrophy164873001
- ECG: RVH - right ventricle hypertrophy164877000
- ECG: right ventricle hypertrophy164877000
- EKG: right ventricle hypertrophy164877000
- Electrocardiographic right ventricular hypertrophy164877000
- ECG: ectopic beats164881000
- Electrocardiogram: ectopic beats164881000
- ECG: extrasystole164883002
- Electrocardiogram: extrasystole164883002
- ECG: PVCs - Premature ventricular complexes164884008
- ECG: ventricular ectopics164884008
- Electrocardiogram: ventricular ectopics164884008
- ECG - electrocardiogram atrial premature beats164885009
- ECG: atrial ectopics164885009
- ECG: atrial extrasystoles164885009
- ECG: atrial premature complexes164885009
- ECG: premature atrial contractions164885009
- EKG: atrial ectopics164885009
- Electrocardiographic atrial ectopics164885009
- ECG: supraventricular arrhythmia164887001
- EKG: supraventricular arrhythmia164887001
- Electrocardiographic supraventricular arrhythmia164887001
- ECG: atrial fibrillation164889003
- Electrocardiographic atrial fibrillation164889003
- ECG: atrial flutter164890007
- EKG: atrial flutter164890007
- Electrocardiographic atrial flutter164890007
- ECG: paroxysmal atrial tachycardia164891006
- Electrocardiogram: paroxysmal atrial tachycardia164891006
- ECG: ventricular arrhythmia164893009
- EKG: ventricular arrhythmia164893009
- Electrocardiographic ventricular arrhythmia164893009
- ECG: ventricular tachycardia164895002
- EKG: ventricular tachycardia164895002
- Electrocardiographic ventricular tachycardia164895002
- ECG: ventricular fibrillation164896001
- EKG: ventricular fibrillation164896001
- Electrocardiographic ventricular fibrillation164896001
- ECG: heart block164898000
- EKG: heart block164898000
- Electrocardiographic heart block164898000
- ECG: partial sinoatrial block164900003
- Electrocardiogram: partial sinoatrial block164900003
- ECG: partial atrioventricular block - long PR164902006
- Electrocardiogram: partial atrioventricular block - long PR164902006
- ECG: partial atrioventricular block - 2:1164903001
- Electrocardiogram: partial atrioventricular block - 2:1164903001
- ECG: partial atrioventricular block - 3:1164904007
- Electrocardiogram: partial atrioventricular block - 3:1164904007
- ECG: right bundle branch block164907000
- EKG: right bundle branch block164907000
- Electrocardiographic right bundle branch block164907000
- Right bundle branch block (RBBB) on electrocardiogram164907000
- ECG: LBBB - left bundle branch block164909002
- ECG: left bundle branch block164909002
- EKG: left bundle branch block164909002
- Electrocardiographic left bundle branch block164909002
- ECG: P wave abnormal164912004
- EKG: P wave abnormal164912004
- Electrocardiographic P wave abnormal164912004
- P mitrale164913009
- P mitrale by EKG164913009
- P mitrale by electrocardiogram164913009
- P pulmonale164914003
- P pulmonale by EKG164914003
- P pulmonale by electrocardiogram164914003
- ECG: Q wave abnormal164917005
- EKG: Q wave abnormal164917005
- Electrocardiographic Q wave abnormal164917005
- Pathological Q wave164918000
- ECG: R wave abnormal164921003
- EKG: R wave abnormal164921003
- Electrocardiographic R wave abnormal164921003
- Tall R wave164922005
- ECG: S wave abnormal164925007
- EKG: S wave abnormal164925007
- Electrocardiographic S wave abnormal164925007
- Deep S wave164926008
- ECG: S-T interval abnormal164930006
- ECG: ST interval abnormal164930006
- Electrocardiographic ST interval abnormal164930006
- ECG: T wave abnormal164934002
- EKG: T wave abnormal164934002
- Electrocardiographic T wave abnormal164934002
- ECG: U wave abnormal164937009
- EKG: U wave abnormal164937009
- Electrocardiographic U wave abnormal164937009
- ECG: U wave exaggerated164938004
- Electrocardiogram: U wave exaggerated164938004
- ECG: F wave - finding164940009
- Finding of electrocardiogram F wave164940009
- ECG: F wave absent164941008
- Electrocardiogram: F wave absent164941008
- ECG: P-R interval abnormal164946003
- EKG: P-R interval abnormal164946003
- Electrocardiographic P-R interval abnormal164946003
- Prolonged P-R interval164947007
- Prolonged PR interval164947007
- ECG: QRS complex abnormal164951009
- EKG: QRS complex abnormal164951009
- Electrocardiographic QRS complex abnormal164951009
- ECG: Q-T interval abnormal164956004
- Electrocardiogram: Q-T interval abnormal164956004
- Type A Wolff-Parkinson-White pattern251116002
- Type B Wolff-Parkinson-White pattern251117006
- rSr pattern in V1 and V2251126009
- Borderline abnormal ECG251136001
- Borderline abnormal electrocardiogram251136001
- Inadequate ECG tracing251138000
- Inadequate electrocardiogram tracing251138000
- ECG artefacts251143007
- ECG artifact251143007
- Electrocardiogram artefact251143007
- Electrocardiogram artifact251143007
- Low QRS voltages251146004
- Low QRS voltages in the limb leads251147008
- Low QRS voltages in the precordial leads251148003
- P wave left axis deviation251193006
- P wave right axis deviation251194000
- P wave axis superior251195004
- Superior axis251197007
- Clockwise cardiac rotation251198002
- Anticlockwise cardiac rotation251199005
- Counterclockwise cardiac rotation251199005
- Prolonged P wave251205003
- Shortened P wave251206002
- Shortened ST segment251209009
- Prolonged T wave251211000
- Shortened T wave251212007
- Prolonged TU interval251214008
- Shortened TU interval251215009
- Prolonged U wave251217001
- Shortened U wave251218006
- Inverted P wave251221008
- Flattened P wave251222001
- Tall P wave251223006
- Q wave height increased251225004
- Q wave height decreased251226003
- R wave height increased251228002
- R wave height decreased251229005
- S wave height increased251231001
- S wave height decreased251232008
- QRS complex height increased251234009
- QRS complex height decreased251235005
- Tall T wave251237002
- Tall tented T wave251238007
- Inverted U wave251240002
- Flattened U wave251241003
- Tall U wave251242005
- PR elevation251244006
- PR depression251245007
- Bifid P wave251248009
- Sloping PR interval251255006
- Sloping ST segment251256007
- Reverse tick ST segment251257003
- Bifid T wave251258008
- High T-voltage251259000
- TU elevation251260005
- TU depression251261009
- Flat U wave251262002
- Low U wave251263007
- Bifid U wave251264001
- Finding of TU interval301118005
- Observation of TU interval301118005
- Finding of electrocardiogram P wave365410006
- P wave - finding365410006
- Finding of ECG PR interval365411005
- Finding of electrocardiogram PR interval365411005
- PR interval - finding365411005
- Finding of electrocardiogram Q wave365412003
- Q wave - finding365412003
- Finding of electrocardiogram R wave365413008
- R wave - finding365413008
- Finding of electrocardiogram S wave365414002
- S wave - finding365414002
- Finding of electrocardiogram QRS complex365415001
- QRS complex - finding365415001
- Finding of electrocardiogram QT interval365417009
- QT interval - finding365417009
- Finding of ECG T wave duration365419007
- Finding of electrocardiogram T wave duration365419007
- T wave duration - finding365419007
- ECG voltage - finding366166009
- Finding of ECG voltage366166009
- Finding of electrocardiogram voltage366166009
- Finding of ECG P wave axis366169002
- Finding of electrocardiogram P wave axis366169002
- P wave axis - finding366169002
- Finding of ECG QRS Axis366170001
- Finding of electrocardiogram QRS Axis366170001
- QRS Axis - finding366170001
- Cardiac conduction pattern - finding366175006
- Finding of cardiac conduction pattern366175006
- Atrioventricular conduction pattern - finding366177003
- Finding of atrioventricular conduction pattern366177003
- ECG: left ventricular strain370365005
- EKG: left ventricular strain370365005
- Electrocardiographic left ventricular strain370365005
- Electrical alternans423863005
- Electrical alternation of heart423863005
- ECG: paroxysmal ventricular tachycardia425856008
- Electrocardiogram: paroxysmal ventricular tachycardia425856008
- Cardiac pacemaker active on ECG (electrocardiogram)426083000
- Cardiac pacemaker active on electrocardiogram426083000
- ECG: idioventricular rhythm426151009
- Electrocardiogram: idioventricular rhythm426151009
- ECG: sinus bradycardia426177001
- Electrocardiogram: sinus bradycardia426177001
- ECG: junctional rhythm426307007
- Electrocardiogram: junctional rhythm426307007
- ECG: paced rhythm426453001
- Electrocardiogram: paced rhythm426453001
- ECG: bradycardia426627000
- Electrocardiogram: bradycardia426627000
- ECG: junctional tachycardia426648003
- Electrocardiogram: junctional tachycardia426648003
- ECG: accelerated junctional rhythm426664006
- EKG: accelerated junctional rhythm426664006
- Electrocardiographic accelerated junctional rhythm426664006
- ECG: ectopic beats - unifocal premature ventricular contractions426669001
- Electrocardiogram: ectopic beats with unifocal premature ventricular contractions426669001
- ECG: supraventricular tachycardia426761007
- EKG: supraventricular tachycardia426761007
- Electrocardiographic supraventricular tachycardia426761007
- ECG: sinus rhythm426783006
- Electrocardiogram: sinus rhythm426783006
- ECG: torsades de pointes426882006
- ECG: ventricular tachycardia, polymorphic with long QT interval426882006
- EKG: torsades de pointes426882006
- Electrocardiographic torsades de pointes426882006
- ECG: pulseless electrical activity426975008
- Electrocardiogram: pulseless electrical activity426975008
- ECG: junctional escape rhythm426995002
- EKG: junctional escape rhythm426995002
- Electrocardiographic junctional escape rhythm426995002
- ECG: sinus tachycardia427084000
- Electrocardiogram: sinus tachycardia427084000
- ECG: premature ventricular contractions427172004
- Electrocardiogram: premature ventricular contractions427172004
- ECG: ectopic beats - premature atrial contraction427212000
- Electrocardiogram: ectopic beats with premature atrial contraction427212000
- ECG: sinus arrhythmia427393009
- Electrocardiogram: sinus arrhythmia427393009
- ECG: asystole427485008
- EKG: asystole427485008
- Electrocardiographic asystole427485008
- ECG: ectopic beats with multifocal premature ventricular contractions427581001
- Electrocardiogram: ectopic beats with multifocal premature ventricular contractions427581001
- T wave alternans on electrocardiogram428418001
- Secondary ST-T abnormality on electrocardiogram428549008
- Nonspecific ST-T abnormality428750005
- Nonspecific ST-T abnormality on electrocardiogram428750005
- Paired ventricular premature complexes on electrocardiogram428844006
- Paired ventricular premature complexes on electrocardiogram (EKG)428844006
- Ventricular escape rhythm on electrocardiogram429288002
- Ventricular escape rhythm on electrocardiogram (EKG)429288002
- Anterior myocardial infarction on electrocardiogram429731003
- Anterior myocardial infarction on electrocardiogram (EKG)429731003
- Inverted biphasic anterior T wave704996001
- Wellens' syndrome variant704996001
- Wellens' variant T wave704996001
- Inferior ST segment depression704997005
- Diffuse ST segment depression704998000
- Anterior T wave inversion704999008
- Lateral ST segment elevation705006002
- Inferior ST segment elevation705007006
- Anterior ST segment elevation705008001
- Posterior ST segment depression705009009
- Posterior ST segment elevation705010004
- Anterior ST segment depression705011000
- Anterior and lateral ST segment elevation705012007
- Inferior and lateral ST segment elevation705013002
- Inferior and right sided ST segment elevation705095008
- Deep symmetric anterior T wave inversion705096009
- Wellens syndrome705096009
- Electrocardiogram showing paced rhythm with electrical capture711447007
- Electrocardiogram showing electrical capture following temporary pacing711449005
- ECG: ventricular tachycardia polymorphic713420008
- EKG ventricular tachycardia polymorphic713420008
- Electrocardiographic ventricular tachycardia polymorphic713420008
- ECG ventricular tachycardia monomorphic713421007
- EKG ventricular tachycardia monomorphic713421007
- Electrocardiographic ventricular tachycardia monomorphic713421007
- ECG: atrial tachycardia713422000
- EKG: atrial tachycardia713422000
- Electrocardiographic atrial tachycardia713422000
- ECG: multifocal atrial tachycardia713423005
- EKG: multifocal atrial tachycardia713423005
- Electrocardiographic multifocal atrial tachycardia713423005
- ECG: focal atrial tachycardia713424004
- EKG: focal atrial tachycardia713424004
- Electrocardiographic focal atrial tachycardia713424004
- Ventricular inversion electrocardiogram pattern827077001
- Brugada electrocardiograph pattern1204168008
- Provoked Brugada electrocardiograph pattern1208851000
- QRS complex dropped1259283004
Frequently Asked Questions
What is the ICD-10 code for abnormal electrocardiogram [ecg] [ekg]?
The ICD-10-CM code for abnormal electrocardiogram [ecg] [ekg] is R94.31. The full clinical description is "Abnormal electrocardiogram [ECG] [EKG]". R94.31 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code R94.31 mean?
ICD-10-CM code R94.31 represents "Abnormal electrocardiogram [ECG] [EKG]". It is classified under Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings and is a billable/specific code that can be used on a claim.
Is R94.31 a billable code?
Yes, R94.31 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is R94.31 in?
R94.31 is in Chapter 18: Symptoms, Signs and Abnormal Clinical and Laboratory Findings (codes R00-R99).
What codes cannot be used with R94.31?
R94.31 has Excludes1 notes indicating codes that cannot be used together with it, including: abnormal findings on antenatal screening of mother (O28.-); diagnostic abnormal findings classified elsewhere - see Alphabetical Index; long QT syndrome (I45.81).
What SNOMED CT codes does R94.31 map to?
R94.31 maps to 201 SNOMED CT concepts: 164922005, 251237002, 251242005, 102594003, 164852001, and 196 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for R94.31?
R94.31 is linked to 1 UMLS Concept Unique Identifier: C2830610. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.