Other diseases of pulmonary vessels

This code signifies various less common or unspecified conditions affecting the pulmonary arteries, veins, or capillaries that are not classified elsewhere. It encompasses a range of non-atherosclerotic or non-embolic disorders impacting the pulmonary vasculature.

Use this code when documentation specifies a pulmonary vascular disease that doesn't fit more specific ICD-10-CM codes, such as pulmonary hypertension, embolism, or atherosclerosis. Examples include certain forms of pulmonary vasculitis, pulmonary veno-occlusive disease, or other rare or ill-defined pulmonary vascular anomalies.

• Always strive for a more specific code if available; this code should be used when no other specific diagnosis applies.
• Review documentation carefully for precise anatomical location and etiology to ensure the most accurate code selection.
• Consider sequencing with codes for underlying systemic diseases if the pulmonary vascular condition is a manifestation of another primary disorder.