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ICD-10 Coding for Apical Thrombus(I51.3)

Complete ICD-10-CM coding and documentation guide for Apical Thrombus. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

Intracardiac ThrombusLeft Ventricular Thrombus

Related ICD-10 Code Ranges

Complete code families applicable to Apical Thrombus

I51.3Primary Range

Intracardiac thrombosis, not elsewhere classified

Primary code for thrombus located in the heart chambers excluding coronary arteries.

Acute coronary thrombosis not resulting in myocardial infarction

Used for coronary thrombosis, not applicable for intracardiac thrombus.

Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction

Used for thrombus directly complicating acute MI.

Key Information: ICD-10 code for apical thrombus

Essential facts and insights about Apical Thrombus

The ICD-10 code for apical thrombus is I51.3, used for thrombus located in non-coronary cardiac chambers.

Primary ICD-10-CM Code for apical thrombus

Intracardiac thrombosis, not elsewhere classified
Billable Code

Decision Criteria

clinical Criteria

  • Thrombus confirmed in non-coronary cardiac chamber via imaging.

documentation Criteria

  • Specific location and morphology of thrombus documented.

Applicable To

  • Thrombus in left ventricular apex
  • Thrombus in atrial appendage

Excludes

  • Coronary thrombosis (I24.0)
  • Post-MI complications (I23.6)

Clinical Validation Requirements

  • Imaging confirmation via echocardiography or CMR
  • Documentation of thrombus location and morphology

Code-Specific Risks

  • Misclassification as coronary thrombosis
  • Lack of specific location documentation

Coding Notes

  • Ensure detailed documentation of thrombus location and morphology to avoid misclassification.

Ancillary Codes

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

Atrial fibrillation and flutter

I48.X
Use when atrial fibrillation is present and related to thrombus formation.

Long-term (current) use of anticoagulants

Z79.01
Use to indicate ongoing anticoagulation therapy.

Differential Codes

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

Acute coronary thrombosis not resulting in myocardial infarction

I24.0
Use for thrombus in coronary arteries, not intracardiac chambers.

Thrombosis as current complications following acute myocardial infarction

I23.6
Use when thrombus forms during initial MI hospitalization.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Apical Thrombus to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I51.3.

Impact

Clinical: Potential mismanagement of anticoagulation therapy., Regulatory: Non-compliance with coding standards., Financial: Incorrect billing and potential claim denials.

Mitigation Strategy

Ensure imaging reports are included in the patient's chart., Train staff on the importance of detailed documentation.

Impact

Reimbursement: Incorrect DRG assignment leading to potential overpayment., Compliance: Risk of non-compliance with coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Ensure documentation specifies non-coronary location.

Impact

High risk of audits if thrombus location is not clearly documented.

Mitigation Strategy

Implement regular training and audits of documentation practices.

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 Apical Thrombus, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Apical Thrombus

Use these documentation templates to ensure complete and accurate documentation for Apical Thrombus. These templates include all required elements for proper coding and billing.

Apical thrombus in a patient with atrial fibrillation

Specialty: Cardiology

Required Elements

  • Thrombus location and size
  • Imaging modality
  • Anticoagulation plan

Example Documentation

Patient with chronic AF presents with 1.5 cm apical thrombus on TEE. Initiated on warfarin.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Thrombus seen on echo.
Good Documentation Example
1.5 cm apical thrombus confirmed on TEE. Anticoagulation initiated.
Explanation
The good example specifies thrombus size, location, and treatment plan.

Need help with ICD-10 coding for Apical Thrombus? Ask your questions below.

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