Oth injury of unspecified internal jugular vein, sequela

This code signifies a long-term complication or late effect resulting from a previously sustained injury to an unspecified internal jugular vein. This could include conditions like chronic pain, scarring, persistent swelling, or impaired blood flow that developed after the initial acute injury has healed.

Use this code when documenting a patient presenting with a current condition directly attributable to an old injury of an internal jugular vein, where the specific vein (left or right) was not documented or is unknown. The medical record must clearly link the current sequela to the past injury.

• Requires a seventh character 'S' to indicate sequela, meaning the initial injury has healed and the current condition is a residual effect.
• Always sequence the sequela code first, followed by codes for the specific manifestation(s) of the sequela (e.g., chronic pain, venous insufficiency).
• Ensure documentation specifies "unspecified" internal jugular vein if the laterality is not known; otherwise, use a more specific code.