All ICD10 Codes

I45

Non-Billable
ChapterI00–I99
Rankcategory
Official Description

Other conduction disorders

Use a more specific code (7 billable, 2 non-billable)
I45.0Right fascicular blockI45.1Other and unspecified right bundle-branch blockhas subcodesI45.2Bifascicular blockI45.3Trifascicular blockI45.4Nonspecific intraventricular blockI45.5Other specified heart blockI45.6Pre-excitation syndromeI45.8Other specified conduction disordershas subcodesI45.9Conduction disorder, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • 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.-)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I30-I5AOther forms of heart disease (I30-I5A)
I45Other conduction disordersNot billable
I45.0Right fascicular blockBillable
I45.1Other and unspecified right bundle-branch blockSubcodes
I45.2Bifascicular blockBillable
I45.3Trifascicular blockBillable
I45.4Nonspecific intraventricular blockBillable
I45.5Other specified heart blockBillable
I45.6Pre-excitation syndromeBillable
I45.8Other specified conduction disordersSubcodes
I45.9Conduction disorder, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I45:

chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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