I45.8
Non-billableOther specified conduction disorders
Other specified conduction disorders
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
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
Child Codes (2)
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
I45.5Other specified heart block
I45.6Pre-excitation syndrome
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(1)
Frequently Asked Questions
What is the ICD-10 code for other specified conduction disorders?
The ICD-10-CM code for other specified conduction disorders is I45.8. The full clinical description is "Other specified conduction disorders". I45.8 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code I45.8 mean?
ICD-10-CM code I45.8 represents “Other specified conduction disorders”. It is classified under Chapter 9: Diseases of the Circulatory System and is a non-billable header code. Use a more specific child code for billing purposes.
Is I45.8 a billable code?
No, I45.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under I45.8.
What chapter is I45.8 in?
I45.8 is in Chapter 9: Diseases of the Circulatory System (codes I00-I99).
What are the subcategories under I45.8?
I45.8 has 2 child codes, including: I45.81 (Long QT syndrome), I45.89 (Other specified conduction disorders).
What are the UMLS CUIs for I45.8?
I45.8 is linked to 1 UMLS Concept Unique Identifier: C0155708. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does I45.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other specified conduction disorders 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 I45.8?
I45.8 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.