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Home/Diagnosis/ICD-10 Coding for Bundle-Branch Block

ICD-10 Coding for Bundle-Branch Block

I44.2
I45.2
I45.3

Complete ICD-10-CM coding and documentation guide for icd-10 coding for bundle-branch block includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Left Bundle-Branch Block
Right Bundle-Branch Block
Bifascicular Block
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Key Information: ICD-10 Coding for Bundle-Branch Block

Essential facts and insights about ICD-10 Coding for Bundle-Branch Block

Use ICD-10 code I44.2 for left bundle-branch block (lbbb), ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Left bundle-branch block (LBBB)

Billable Code
I44.2
Billable

Diagnostic Criteria

  • • QRS duration ≥120ms
  • • Broad R wave in leads I and V6
  • • ST-T discordance

Applicable To

  • • Complete left bundle-branch block

Important Notes

  • • Ensure documentation specifies LBBB with ECG validation.

Right bundle-branch block and left anterior fascicular block

Billable Code
I45.2
Billable

Diagnostic Criteria

  • • rsR' pattern in V1
  • • Left axis deviation

Applicable To

  • • Bifascicular block

Important Notes

  • • Document specific fascicular involvement for accurate coding.

Right bundle-branch block and left posterior fascicular block

Billable Code
I45.3
Billable

Diagnostic Criteria

  • • rsR' pattern in V1
  • • Right axis deviation

Applicable To

  • • Bifascicular block

Important Notes

  • • Ensure documentation specifies posterior fascicular involvement.

Unspecified bundle-branch block

Billable Code
I44.7
Billable

Diagnostic Criteria

  • • Pending further diagnostic workup

Important Notes

  • • Transition to specific codes as soon as possible.
Ancillary Codes

Additional codes that may be used with this diagnosis

I50.9

Heart failure, unspecified

Use when LBBB is associated with heart failure.

I21.9

Acute myocardial infarction, unspecified

Use when bifascicular block is associated with an acute MI.

I25.2

Old myocardial infarction

Use when bifascicular block is related to a previous MI.

R00.1

Bradycardia, unspecified

Use when unspecified BBB is associated with bradycardia.

Frequently Asked Questions

What is the ICD-10 code for left bundle-branch block?

The ICD-10 code for left bundle-branch block is I44.2, used when specific ECG criteria are documented.

How do you code a bifascicular block?

Bifascicular block is coded as I45.2 or I45.3, depending on the fascicular involvement, with specific ECG findings.

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