Unsp inj blood vessels at shldr/up arm, unsp arm, sequela

This code describes a long-term complication or residual effect stemming from an unspecified injury to blood vessels in the shoulder or upper arm. This could include conditions like chronic pain, nerve damage, or impaired circulation that persist after the initial vascular trauma has healed. The specific arm affected is not documented.

Use this code when documenting a sequela (late effect) of a past, unspecified blood vessel injury in the shoulder or upper arm region. This is appropriate when the acute phase of the injury has passed, and the patient presents with ongoing issues directly attributable to that prior vascular trauma, without specifying which arm was affected.

• Requires a seventh character 'S' to indicate sequela, meaning the patient is seen for a complication or late effect of the initial injury.
• Only use when the specific blood vessel and the nature of the injury are not documented, and the affected arm is also unspecified.
• Always sequence this code after the code(s) for the specific sequela being treated (e.g., chronic pain, nerve palsy).