ICD-10-CM > I00-I99 > I80-I89 > I82 > I82.9 I82.9 Embolism and thrombosis of unspecified vein Non-Billable/Non-Specific Codes I82.90Acute embolism and thrombosis of unspecified veinI82.91Chronic embolism and thrombosis of unspecified vein