What is the ICD-10 code for cardiac arrest?

The ICD-10 code for unspecified cardiac arrest is I46.9. Use I46.2 if the arrest is due to a cardiac condition.

How should cardiac arrest be documented?

Document the time of arrest, witness status, initial rhythm, interventions, and outcomes to ensure accurate coding and clinical management.

ICD-10 Coding for Cardiac Arrest(I46.9, I21.09, I46.2)

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Learn about ICD-10 coding for cardiac arrest, including code I46.9 for unspecified cases and I46.2 for cardiac-related arrests. Ensure accurate documentation and coding compliance.

Related ICD-10 Code Ranges

Complete code families applicable to Cardiac Arrest

I00-I99Primary Range

Diseases of the circulatory system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
I46.9	Cardiac arrest, unspecified	Use when the cause of cardiac arrest is not specified in the documentation.	Documentation of cardiac arrest without a specified cause
I46.2	Cardiac arrest due to cardiac condition	Use when cardiac arrest is directly linked to a cardiac condition.	Documentation linking cardiac arrest to a cardiac condition such as myocardial infarction

Primary ICD-10-CM Codes

Cardiac arrest, cause unspecified

I46.9Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Cardiac arrest due to cardiac conditionI46.2

Use when cardiac arrest is directly linked to a cardiac condition like myocardial infarction.

Cardiac arrest, unspecifiedI46.9

Use when the cause of cardiac arrest is not specified.

Documentation & Coding Risks

Avoid these common issues when documenting Cardiac Arrest.

Omitting I46.x in cases of death due to cardiac arrest.

Impact

Clinical: Leads to incomplete clinical records., Regulatory: Non-compliance with coding standards., Financial: Potential loss of reimbursement for services rendered.

Mitigation

Ensure all cases of cardiac arrest are coded, regardless of outcome., Educate staff on the importance of coding cardiac arrest in death cases.

Coding cardiac arrest with R57.0 (cardiogenic shock) when I46.x is more appropriate.

Impact

Reimbursement: Incorrect coding can lead to improper DRG assignment affecting reimbursement., Compliance: Non-compliance with coding guidelines can result in audit issues., Data Quality: Impacts the accuracy of clinical data and patient records.

Mitigation

Use I46.x for cardiac arrest and avoid R57.0 unless shock is present without arrest.

Cardiac arrest coding accuracy

Impact

Risk of incorrect coding due to lack of specificity or improper sequencing.

Mitigation

Regular training and audits to ensure compliance with coding guidelines.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with I46.9.

Primary Code

I46.9

Cardiac arrest, cause unspecified

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ICD-10 codes5

Coding risks3

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ICD-10 Coding for Cardiac Arrest(I46.9, I21.09, I46.2)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for cardiac arrest?

How should cardiac arrest be documented?

Related condition guides