Unspecified injury of portal vein, subsequent encounter

📋Clinical Description

This code signifies an injury to the portal vein that occurred at some point in the past and is now being addressed during a follow-up visit. The specific nature or extent of the portal vein injury is not documented or is unknown. This could involve complications arising from the initial trauma or ongoing management of the previously sustained injury.

🎯When to Use

Use this code for encounters where a patient is receiving continuing care for a previously diagnosed, but unspecified, injury to the portal vein. This includes visits for monitoring, medication adjustments, or evaluation of long-term sequelae after the initial acute treatment phase has concluded. It is appropriate when the documentation indicates a prior portal vein injury without further detail regarding its type.

💡Coding Tips

Ensure documentation clearly states "subsequent encounter" or indicates follow-up care for a past injury.
If the specific type of portal vein injury (e.g., laceration, contusion) is known, a more specific code from the S35.31 series should be used.
Always review the entire medical record to determine if a more precise diagnosis or encounter type is warranted.

AI-generated reference — verify against official guidelines

Code Hierarchy

▲S35.319Unspecified injury of portal vein

S35.319D(current)

Crosswalks

V58.89ApproxICD-9

Same Category

S35Inj blood vessels at abdomen, low back and pelvis level S35.0Injury of abdominal aorta S35.00Unspecified injury of abdominal aorta S35.00XAUnspecified injury of abdominal aorta, initial encounter S35.00XDUnspecified injury of abdominal aorta, subsequent encounter