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ICD-10 Coding for Portal Vein Thrombosis(I81)

Complete ICD-10-CM coding and documentation guide for Portal Vein Thrombosis. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

PVTThrombosis of Portal Vein

Related ICD-10 Code Ranges

Complete code families applicable to Portal Vein Thrombosis

I80-I89Primary Range

Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified

This range includes codes for various venous conditions, including portal vein thrombosis.

Key Information: ICD-10 code for portal vein thrombosis

Essential facts and insights about Portal Vein Thrombosis

The ICD-10 code for portal vein thrombosis is I81, used for both acute and chronic forms.

Primary ICD-10-CM Code for portal vein thrombosis

Portal vein thrombosis
Billable Code

Decision Criteria

clinical Criteria

  • Imaging shows non-occlusive thrombus in portal vein.

documentation Criteria

  • Documentation specifies acute or chronic PVT.

Applicable To

  • Acute portal vein thrombosis
  • Chronic portal vein thrombosis

Excludes

  • Hepatic vein thrombosis (I82.0)
  • Phlebitis of portal vein (K75.1)

Clinical Validation Requirements

  • Imaging confirmation (Doppler ultrasound/CT/MRI)
  • Symptoms like abdominal pain, ascites, splenomegaly

Code-Specific Risks

  • Assuming chronic without documentation
  • Confusing with hepatic vein thrombosis

Coding Notes

  • Ensure documentation specifies acute vs. chronic and any underlying conditions.

Ancillary Codes

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

Hepatocellular carcinoma

C22.0
Use when PVT is related to tumor invasion.

Cirrhosis

K74.6
Use when PVT is a complication of cirrhosis.

Differential Codes

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

Hepatic vein thrombosis

I82.0
Presence of hepatic congestion and elevated liver enzymes.

Phlebitis of portal vein

K75.1
Presence of inflammation and septic clinical picture.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Portal Vein Thrombosis to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I81.

Impact

Clinical: Inaccurate treatment planning., Regulatory: Potential audit issues., Financial: Reduced reimbursement.

Mitigation Strategy

Always document underlying conditions like cirrhosis or malignancy.

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation Strategy

Use I82.0 for Budd-Chiari syndrome.

Impact

Using I81 without specifying acute or chronic.

Mitigation Strategy

Ensure documentation specifies acuity.

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 Portal Vein Thrombosis, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Portal Vein Thrombosis

Use these documentation templates to ensure complete and accurate documentation for Portal Vein Thrombosis. These templates include all required elements for proper coding and billing.

Acute PVT in cirrhosis

Specialty: Gastroenterology

Required Elements

  • History of liver disease
  • Imaging reports
  • Anticoagulation status

Example Documentation

62M with HCV cirrhosis presents with RUQ pain. CT shows non-occlusive thrombus in portal vein.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Portal vein thrombosis
Good Documentation Example
Acute non-tumoral PVT with thrombus extending to splenic vein, confirmed by CT.
Explanation
The good example specifies acuity, anatomical extent, and imaging confirmation.

Need help with ICD-10 coding for Portal Vein Thrombosis? Ask your questions below.

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