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ICD-10 Coding for Second-Degree Atrioventricular Block(I44.1)

Complete ICD-10-CM coding and documentation guide for Second-Degree Atrioventricular Block. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Second Degree AV BlockMobitz Type IMobitz Type II

Related ICD-10 Code Ranges

Complete code families applicable to Second-Degree Atrioventricular Block

I44.0-I44.7Primary Range

Conduction disorders

This range includes all AV block types, with I44.1 specifically for second-degree AV block.

Key Information: ICD-10 code for second-degree atrioventricular block

Essential facts and insights about Second-Degree Atrioventricular Block

The ICD-10 code for second-degree atrioventricular block, including Mobitz Type I and II, is I44.1.

Primary ICD-10-CM Code for second degree atrioventricular block

Atrioventricular block, second degree
Billable Code

Decision Criteria

clinical Criteria

  • ECG findings consistent with second-degree AV block

documentation Criteria

  • Detailed ECG report specifying Mobitz type

Applicable To

  • Mobitz Type I
  • Mobitz Type II

Excludes

  • Complete heart block (I44.2)

Clinical Validation Requirements

  • ECG showing constant PR intervals with intermittent non-conducted P waves for Mobitz II
  • ECG showing progressive PR prolongation for Mobitz I

Code-Specific Risks

  • Confusion between Mobitz I and II can lead to incorrect coding.

Coding Notes

  • Ensure documentation specifies Mobitz type and any underlying causes.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Acute myocardial infarction

I21.-
Use if AV block is due to an acute MI.

Adverse effect of beta-blockers

T46.7x5A
Use if AV block is drug-induced.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Complete heart block

I44.2
Complete heart block involves no conduction from atria to ventricles, unlike second-degree block.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Second-Degree Atrioventricular Block to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I44.1.

Impact

Clinical: Inaccurate diagnosis and treatment planning., Regulatory: Non-compliance with coding standards., Financial: Potential claim denials.

Mitigation Strategy

Ensure ECG reports are detailed., Train staff on documentation standards.

Impact

Reimbursement: Incorrect coding can lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data recording.

Mitigation Strategy

Correct to I44.1; I44.2 is for third-degree block.

Impact

Inadequate documentation of Mobitz type can lead to audit issues.

Mitigation Strategy

Implement thorough documentation practices and regular audits.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Second-Degree Atrioventricular Block, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Second-Degree Atrioventricular Block

Use these documentation templates to ensure complete and accurate documentation for Second-Degree Atrioventricular Block. These templates include all required elements for proper coding and billing.

Emergency Department Presentation

Specialty: Cardiology

Required Elements

  • Patient symptoms
  • ECG findings
  • Mobitz type
  • Treatment plan

Example Documentation

75yo male presents with syncope. ECG reveals second-degree AV block, Mobitz Type II: constant PR interval (180ms) with 3:1 conduction ratio. No reversible causes identified. Cardiology recommends permanent pacemaker.

Examples: Poor vs. Good Documentation

Poor Documentation Example
AV block seen on ECG.
Good Documentation Example
Second-degree AV block, Mobitz Type II: 4:1 conduction ratio with wide QRS (140ms). Patient reports 2 syncopal episodes in 24hrs. No reversible causes identified.
Explanation
The good example provides specific ECG findings and patient symptoms, allowing for accurate coding.

Need help with ICD-10 coding for Second-Degree Atrioventricular Block? Ask your questions below.

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