ICD-10-CM Codes
I00-I99
I30-I5A
I45-
2023 ICD-10-CM Diagnosis Code I45.3

2023 ICD-10-CM Diagnosis Code I45.3

Trifascicular block

2016

2017

2018

2019

2020

2021

2022

2023

Billable/Specific Code

I45.3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2023 edition of ICD-10-CM I45.3 became effective on October 1, 2022.
This is the American ICD-10-CM version of I45.3 - other international versions of ICD-10 I45.3 may differ.

The following code(s) above I45.3 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to I45.3:

I00-I99
2023 ICD-10-CM Range I00-I99
Diseases of the circulatory system
Type 2 Excludes
- 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.-)
Diseases of the circulatory system

ICD-10-CM I45.3 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):

308 Cardiac arrhythmia and conduction disorders with mcc
309 Cardiac arrhythmia and conduction disorders with cc
310 Cardiac arrhythmia and conduction disorders without cc/mcc
791 Prematurity with major problems
793 Full term neonate with major problems

Convert I45.3 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Diagnosis Index entries containing back-references to I45.3:

Block, blocked
- trifascicular I45.3

ICD-10-CM Codes Adjacent To I45.3

I44.6 Other and unspecified fascicular block

I44.60 Unspecified fascicular block

I44.69 Other fascicular block

I44.7 Left bundle-branch block, unspecified

I45 Other conduction disorders

I45.0 Right fascicular block

I45.1 Other and unspecified right bundle-branch block

I45.10 Unspecified right bundle-branch block

I45.19 Other right bundle-branch block

I45.2 Bifascicular block

I45.3 Trifascicular block

I45.4 Nonspecific intraventricular block

I45.5 Other specified heart block

I45.6 Pre-excitation syndrome

I45.8 Other specified conduction disorders

I45.81 Long QT syndrome

I45.89 Other specified conduction disorders

I45.9 Conduction disorder, unspecified

I46 Cardiac arrest

I46.2 Cardiac arrest due to underlying cardiac condition

I46.8 Cardiac arrest due to other underlying condition

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code I45.3

Trifascicular block

Diseases of the circulatory system