Question 1

Is I81 a billable ICD-10 code?

Accepted Answer

Yes, I81 is a valid billable ICD-10-CM code for portal vein thrombosis. It can be used for medical billing and reimbursement purposes.

Question 2

What does ICD-10 code I81 mean?

Accepted Answer

ICD-10-CM code I81 represents Portal vein thrombosis. This code is part of the International Classification of Diseases, 10th Revision, Clinical Modification used for medical coding and billing in the United States.

Question 3

When was ICD-10 code I81 introduced?

Accepted Answer

Code I81 has been part of ICD-10-CM since 2016, when the coding system was mandated for use in the United States. This code was included in the original US implementation.

Question 4

What is the parent category for ICD-10 code I81?

Accepted Answer

The parent category for I81 is section:I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)). This hierarchical classification helps organize related diagnoses for more accurate coding.

Question 5

What conditions should be coded separately from I81?

Accepted Answer

Code I81 has Type 2 Excludes including: hepatic vein thrombosis (I82.0); phlebitis of portal vein (K75.1). These conditions are not included in I81 but can be coded together if the patient has both conditions.

I812026

Excludes212Not included here

Notes1Additional information

Also Known As10Alternative terms

Is I81 a billable ICD-10 code?

What does ICD-10 code I81 mean?

When was ICD-10 code I81 introduced?

What is the parent category for ICD-10 code I81?

What conditions should be coded separately from I81?

What DRGs may include ICD-10 code I81?

How common is hospitalization for I81?