I49.5
BillableSick sinus syndrome
Sick sinus syndrome
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Tachycardia-bradycardia syndrome
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations, and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •systemic connective tissue disordersM30-M36
- •transient cerebral ischemic attacks and related syndromesG45
- •bradycardia NOSR00.1
- •neonatal dysrhythmiaP29.1
- •sinoatrial bradycardiaR00.1
- •sinus bradycardiaR00.1
- •vagal bradycardiaR00.1
Code First
The underlying condition must be sequenced before this code
- cardiac arrhythmia complicating:
- •abortion or ectopic or molar pregnancy,O00-O07, O08.8
- •obstetric surgery and proceduresO75.4
Related Codes(7)
I49.0Ventricular fibrillation and flutter
I49.1Atrial premature depolarization
I49.2Junctional premature depolarization
I49.3Ventricular premature depolarization
I49.4Other and unspecified premature depolarization
I49.8Other specified cardiac arrhythmias
I49.9Cardiac arrhythmia, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(65)
SNOMED CT
- Complete deafness8531006
- Sick sinus syndrome36083008
- Brady-tachy syndrome74615001
- Bradycardia-tachycardia syndrome74615001
- Tachycardia bradycardia syndrome74615001
- Tachycardia-bradycardia74615001
- Congenital deafness95828007
- Familial sick sinus syndrome233913007
- Postoperative sinoatrial disease233914001
- Postoperative sinus node dysfunction233914001
- Sinus node dysfunction following surgical procedure233914001
- Sinoatrial node dysfunction and deafness770784003
- Autosomal recessive sick sinus syndrome1156821008
- Cardiac arrhythmia following operative procedure1230406008
- Postoperative cardiac arrhythmia1230406008
UMLS
- Brady-tachy syndromeC0221047
- Bradycardia-tachycardia syndromeC0221047
- Tachycardia bradycardia syndromeC0221047
- Tachycardia-bradycardiaC0221047
- Tachycardia-bradycardia (disorder)C0221047
- Tachycardia-bradycardia syndromeC0221047
- brady-tachy syndromeC0221047
- bradycardia tachycardia syndromeC0221047
- bradycardia-tachycardia syndromeC0221047
- tachy-brady syndromeC0221047
- tachycardia bradycardiaC0221047
- tachycardia-bradycardia syndromeC0221047
- SSSC0037052
- Sick Sinus Node SyndromeC0037052
- Sick Sinus SyndromeC0037052
- Sick sinus syndromeC0037052
- Sick sinus syndrome (disorder)C0037052
- Sinoatrial node diseaseC0037052
- Syndrome sick sinusC0037052
- Syndrome, Sick SinusC0037052
- sick sinus syndromeC0037052
- sick syndrome sinusC0037052
- sinus sick syndromeC0037052
Clinical Terms
- Tachycardia-bradycardia (disorder)
- tachycardia-bradycardia syndrome
- Sinoatrial node disease
- bradycardia tachycardia syndrome
- Syndrome sick sinus
- Complete deafness
- tachy-brady syndrome
- Postoperative sinus node dysfunction
- tachycardia bradycardia
- brady-tachy syndrome
- sick syndrome sinus
- Postoperative sinoatrial disease
- Tachycardia bradycardia syndrome
- Bradycardia-tachycardia syndrome
- Sinoatrial node dysfunction and deafness
- Syndrome, Sick Sinus
- Postoperative cardiac arrhythmia
- sinus sick syndrome
- Congenital deafness
- Sick Sinus Node Syndrome
- Autosomal recessive sick sinus syndrome
- Cardiac arrhythmia following operative procedure
- Sick sinus syndrome (disorder)
- Sinus node dysfunction following surgical procedure
- Tachycardia-bradycardia
- SSS
- Familial sick sinus syndrome
Frequently Asked Questions
What is the ICD-10 code for sick sinus syndrome?
The ICD-10-CM code for sick sinus syndrome is I49.5. The full clinical description is "Sick sinus syndrome". I49.5 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I49.5 mean?
ICD-10-CM code I49.5 represents “Sick sinus syndrome”. It is classified under Chapter 9: Diseases of the Circulatory System and is a billable/specific code that can be used on a claim.
Is I49.5 a billable code?
Yes, I49.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I49.5 in?
I49.5 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What SNOMED CT codes does I49.5 map to?
I49.5 maps to 9 SNOMED CT concepts: 1156821008, 74615001, 1230406008, 8531006, 95828007, and 4 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I49.5?
I49.5 is linked to 2 UMLS Concept Unique Identifiers: C0221047, C0037052. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I49.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like sick sinus syndrome affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of I49.5?
I49.5 maps to the ICD-11 code: BC80.20 (Sick sinus syndrome).
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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.