ICD-10-CM diagnosis code
I82.5Z9 Chronic embolism and thrombosis of unspecified deep veins of unspecified distal lower extremity
- Billable
- Yes, a complete code (FY2026)
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Other codes in I82
145 complete codes in this category.
- I82.5Y2Chronic embolism and thrombosis of unspecified deep veins of left proximal lower extremity
- I82.5Y3Chronic embolism and thrombosis of unspecified deep veins of proximal lower extremity, bilateral
- I82.5Y9Chronic embolism and thrombosis of unspecified deep veins of unspecified proximal lower extremity
- I82.5Z1Chronic embolism and thrombosis of unspecified deep veins of right distal lower extremity
- I82.5Z2Chronic embolism and thrombosis of unspecified deep veins of left distal lower extremity
- I82.5Z3Chronic embolism and thrombosis of unspecified deep veins of distal lower extremity, bilateral
- I82.5Z9Chronic embolism and thrombosis of unspecified deep veins of unspecified distal lower extremity
- I82.601Acute embolism and thrombosis of unspecified veins of right upper extremity
- I82.602Acute embolism and thrombosis of unspecified veins of left upper extremity
- I82.603Acute embolism and thrombosis of unspecified veins of upper extremity, bilateral
- I82.609Acute embolism and thrombosis of unspecified veins of unspecified upper extremity
- I82.611Acute embolism and thrombosis of superficial veins of right upper extremity
Documentation tips
- Make sure the note supports every element of the title, “Chronic embolism and thrombosis of unspecified deep veins of unspecified distal lower extremity”: each detail in it should be traceable to the history, examination or assessment.
- Code to the highest specificity the documentation supports. If a detail is missing from the note, add it to the note rather than choosing a less specific code by default.
- Check the Tabular List and official guidelines for instructional notes (“code first”, “use additional code”, Excludes1/Excludes2) that apply to I82.
The international WHO ICD-10 also has I82, with its inclusion and exclusion notes; titles and detail can differ from ICD-10-CM.
ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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