I45.5
BillableOther specified heart block
Other specified heart block
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Sinoatrial block
- Sinoauricular block
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
Related Codes(8)
I45.0Right fascicular block
I45.1Other and unspecified right bundle-branch block
I45.2Bifascicular block
I45.3Trifascicular block
I45.4Nonspecific intraventricular block
I45.6Pre-excitation syndrome
I45.8Other specified conduction disorders
I45.9Conduction disorder, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(64)
SNOMED CT
- Sinus arrest5609005
- Sinoatrial arrest with nodal/ventricular escape13395001
- Sinoatrial block65778007
- Sinoatrial exit block65778007
- Sinoauricular block65778007
- ECG: partial sinoatrial block164900003
- Electrocardiogram: partial sinoatrial block164900003
- ECG: complete sinoatrial block164901004
- EKG: complete sinoatrial block164901004
- Electrocardiographic complete sinoatrial block164901004
- Sinus arrest with atrial escape251092003
- Sinus arrest with junctional escape251093008
- Sinus arrest with ventricular escape251094002
- Progressive familial heart block698249005
- Progressive familial heart block, type II698251009
UMLS
- Block, SinoatrialC0037188
- Block, Sinoatrial ExitC0037188
- Blocks, SinoatrialC0037188
- Blocks, Sinoatrial ExitC0037188
- Exit Block, SinoatrialC0037188
- Exit Blocks, SinoatrialC0037188
- Heart block sinoatrialC0037188
- Heart block sinoauricularC0037188
- SA blockC0037188
- Sinoatrial BlockC0037188
- Sinoatrial BlocksC0037188
- Sinoatrial Exit BlockC0037188
- Sinoatrial Exit BlocksC0037188
- Sinoatrial blockC0037188
- Sinoatrial block (disorder)C0037188
- Sinoatrial exit blockC0037188
- Sinoauricular blockC0037188
- sa blockC0037188
- sinoatrial blockC0037188
- sinoatrial heart blockC0037188
- Other specified heart blockC0348624
Clinical Terms
- Sinoatrial block
- Sinoatrial arrest with nodal/ventricular escape
- Block, Sinoatrial Exit
- Progressive familial heart block, type II
- Sinoatrial Blocks
- Sinus arrest with ventricular escape
- Sinoatrial exit block
- Blocks, Sinoatrial
- SA block
- Block, Sinoatrial
- Exit Block, Sinoatrial
- Progressive familial heart block
- Exit Blocks, Sinoatrial
- Electrocardiogram: partial sinoatrial block
- ECG: complete sinoatrial block
- Heart block sinoauricular
- Sinoauricular block
- Electrocardiographic complete sinoatrial block
- Sinus arrest
- Sinoatrial block (disorder)
- EKG: complete sinoatrial block
- Heart block sinoatrial
- Sinus arrest with atrial escape
- sinoatrial heart block
- Sinoatrial Exit Blocks
- Sinus arrest with junctional escape
- Blocks, Sinoatrial Exit
- ECG: partial sinoatrial block
Frequently Asked Questions
What is the ICD-10 code for other specified heart block?
The ICD-10-CM code for other specified heart block is I45.5. The full clinical description is "Other specified heart block". I45.5 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code I45.5 mean?
ICD-10-CM code I45.5 represents “Other specified heart block”. 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 I45.5 a billable code?
Yes, I45.5 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is I45.5 in?
I45.5 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What codes cannot be used with I45.5?
I45.5 has Excludes1 notes indicating codes that cannot be used together with it, including: heart block NOS (I45.9).
What SNOMED CT codes does I45.5 map to?
I45.5 maps to 10 SNOMED CT concepts: 164901004, 164900003, 698249005, 698251009, 13395001, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for I45.5?
I45.5 is linked to 2 UMLS Concept Unique Identifiers: C0037188, C0348624. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I45.5 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other specified heart block 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 I45.5?
I45.5 maps to the ICD-11 code: BC63.Z (Conduction disorders, unspecified).
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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.