I49.8
BillableOther specified cardiac arrhythmias
Other specified cardiac arrhythmias
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Brugada syndrome
- Coronary sinus rhythm disorder
- Ectopic rhythm disorder
- Nodal rhythm disorder
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
- bradycardia NOS (R00.1)
- neonatal dysrhythmia (P29.1-)
- sinoatrial bradycardia (R00.1)
- sinus bradycardia (R00.1)
- vagal bradycardia (R00.1)
Also Known As / Clinical Terms
SNOMED CT
- AV junctional rhythm11849007
- Atrioventricular junctional rhythm11849007
- Junctional rhythm11849007
- Nodal rhythm11849007
- Atrial arrhythmia17366009
- Congenital absence of proximal portion of limb22841008
- Phocomelia22841008
- Phocomelic dwarf22841008
- Ectopic rhythm29320008
- Sick sinus syndrome36083008
- Embryocardia46220003
- Tic-tac rhythm46220003
- Left atrial rhythm49760004
- Nodal arrhythmia71792006
- Nodal rhythm disorder71792006
- Sinus arrhythmia71792006
- Palpitations80313002
- AV node arrhythmia88412007
- Atrio-ventricular node arrhythmia88412007
- Atrial rhythm106068003
- Optic nerve finding106152006
- Second cranial nerve finding106152006
- Fluttering heart161969004
- Palpitations - fluttering161969004
- Wandering atrial pacemaker195101003
- AV (atrioventricular) nodal re-entry tachycardia233896004
- AVNRT - atrioventricular nodal re-entrant tachycardia233896004
- AVRNT - atrioventricular re-entrant nodal tachycardia233896004
- Atrioventricular nodal re-entry tachycardia233896004
- Re-entrant atrioventricular node tachycardia233896004
- AVRT - Atrioventricular re-entrant tachycardia233897008
- Re-entrant atrioventricular tachycardia233897008
- Orthodromic atrioventricular re-entrant tachycardia233898003
- Antidromic atrioventricular re-entrant tachycardia233899006
- Chronic intestinal pseudo-obstruction235828008
- Marked sinus arrhythmia251152003
- Slow ventricular response251161003
- AV-junctional (nodal) bradycardia251162005
- Atrio-ventricular-junctional (nodal) bradycardia251162005
- Nodal escape bradycardia251162005
- AV junctional (nodal) arrest251163000
- Atrio-ventricular junctional (nodal) arrest251163000
- Ventricular escape complex251186007
- Atrial escape complex251187003
- Finding related to awareness of heart beat366182005
- Brugada syndrome418818005
- Bradyarrhythmia421869004
- PEHO (progressive encephalopathy with edema, hypsarrhythmia and optic atrophy) syndrome442511009
- PEHO (progressive encephalopathy with oedema, hypsarrhythmia and optic atrophy) syndrome442511009
- PEHO syndrome442511009
- Progressive encephalopathy with edema, hypsarrhythmia and optic atrophy syndrome442511009
- Progressive encephalopathy with oedema, hypsarrhythmia and optic atrophy syndrome442511009
- Familial short QT syndrome698272007
- Genetic short QT syndrome698272007
- Short QT syndrome698272007
- Postoperative fluttering heart709065005
- Phocomelia, ectrodactyly, deafness and sinus arrhythmia syndrome715506001
- Stoll Lévy Francfort syndrome715506001
- CAID (chronic atrial and intestinal dysrhythmia) syndrome720507006
- Chronic atrial and intestinal dysrhythmia720507006
- Congenital conductive hearing loss737344003
- Supraventricular bradyarrhythmia762534000
- Ankyrin-B syndrome764457005
- Cardiac arrhythmia ankyrin-B related764457005
- PEHO-like syndrome770678005
- PEHOL (progressive encephalopathy with edema, hypsarrhythmia, and optic atrophy-like) syndrome770678005
- PEHOL (progressive encephalopathy with oedema, hypsarrhythmia, and optic atrophy-like) syndrome770678005
- Progressive encephalopathy with edema, hypsarrhythmia, and optic atrophy-like syndrome770678005
- Progressive encephalopathy with oedema, hypsarrhythmia, and optic atrophy-like syndrome770678005
- Acquired Brugada syndrome789693005
- Stable bradyarrhythmia1296782003
UMLS
- Arrhythmia nodalC0264893
- Arrhythmia nodal (NOS)C0264893
- Nodal ArrhythmiaC0264893
- Nodal Arrhythmia by ECG FindingC0264893
- Nodal Arrhythmia by EKG FindingC0264893
- Nodal arrhythmiaC0264893
- Nodal rhythm disorderC0264893
- Nodal rhythm disorder (disorder)C0264893
- Brugada SyndromeC1142166
- Brugada syndromeC1142166
- Brugada syndrome (disorder)C1142166
- Idiopathic ventricular fibrillation, Brugada typeC1142166
- RIGHT BUNDLE BRANCH BLOCK, ST SEGMENT ELEVATION, AND SUDDEN DEATH SYNDROMEC1142166
- Right Bundle Branch Block, ST Segment Elevation, and Sudden Death SyndromeC1142166
- SUDDEN UNEXPLAINED NOCTURNAL DEATH SYNDROMEC1142166
- SUDSC1142166
- SUNDSC1142166
- Sudden Unexplained Death SyndromeC1142166
- Sudden Unexplained Nocturnal Death SyndromeC1142166
- Sudden Unexplained Nocturnal Death Syndrome (SUNDS)C1142166
- Sudden unexplained death syndromeC1142166
- brugada syndromeC1142166
- brugadas syndromeC1142166
- Coronary sinus rhythm disorderC0428908
- Dysfunction, Sinus NodeC0428908
- Dysfunctions, Sinus NodeC0428908
- SINUS NODE DISEASEC0428908
- SNDC0428908
- Sinoatrial node dysfunctionC0428908
- Sinus Node DiseaseC0428908
- Sinus Node DiseasesC0428908
- Sinus Node DysfunctionC0428908
- Sinus node diseaseC0428908
- Sinus node dysfunctionC0428908
- Sinus node dysfunction (disorder)C0428908
- sinoatrial node dysfunctionC0428908
- sinus node dysfunctionC0428908
- Ectopic rhythmC1399226
- Ectopic rhythm (disorder)C1399226
- Ectopic rhythm disorderC1399226
- ectopic rhythmC1399226
- Other specified cardiac arrhythmiasC0348626
Frequently Asked Questions
What is ICD-10 code I49.8?
ICD-10-CM code I49.8 represents "Other specified cardiac arrhythmias". It is a billable/specific code that can be used on a claim.
Is I49.8 a billable code?
Yes, I49.8 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I49.8 in?
I49.8 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What SNOMED CT codes does I49.8 map to?
I49.8 maps to 39 SNOMED CT concepts: 233896004, 251163000, 11849007, 88412007, 251162005, and 34 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I49.8?
I49.8 is linked to 5 UMLS Concept Unique Identifiers: C0264893, C1142166, C0428908, C1399226, C0348626. 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.