Diagnosis Code: I81

Short Description: Portal vein thrombosis

Long Description: Portal vein thrombosis

The code I81 is VALID for claim submission

Code Classification:

• Diseases of the circulatory system (I00–I99)
  • Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)
    • Portal vein thrombosis (I81)
      • I81 Portal vein thrombosis

Code Version: 2022 ICD-10-CM

Synonyms

• Acute GIT vascular insufficiency
• Acute ischemia of colon due to thrombosis of mesenteric vein
• Acute occlusion of mesenteric vein
• Acute thrombosis of mesenteric vein
• Acute thrombosis of mesenteric vein
• Acute vascular insufficiency of intestine
• Acute visceral ischemia
• Chronic thrombosis of mesenteric vein
• Obstruction of visceral vein
• Obstruction of visceral vein
• Portal vein obstruction
• Portal vein thrombosis
• Thrombosis of mesenteric vein
• Thrombosis of mesenteric vein
• Thrombosis of mesenteric vein
• Visceral ischemia

Diagnostic Related Group(s)

The code I81 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)

• Disorders Of Liver Except Malignancy, Cirrhosis Or Alcoholic Hepatitis With Mcc (441)
• Disorders Of Liver Except Malignancy, Cirrhosis Or Alcoholic Hepatitis With Cc (442)
• Disorders Of Liver Except Malignancy, Cirrhosis Or Alcoholic Hepatitis Without Cc/mcc (443)

References to Index of Diseases and Injuries

The code I81 has the following ICD-10-CM references to the Index of Diseases and Injuries

• Inclusion Terms:
  • Portal (vein) obstruction
• Type 2 Excludes Notes:
  • hepatic vein thrombosis (@I82.0*)
  • phlebitis of portal vein (@K75.1*)

Crosswalk Information

Similar Codes

This page was last updated on: 10/1/2023

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