ICD-10-CM diagnosis code
I87.033 Postthrombotic syndrome with ulcer and inflammation of bilateral lower extremity
- Billable
- Yes, a complete code (FY2026)
- Category
- I87 Other disorders of veins
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Other codes in I87
44 complete codes in this category.
- I87.021Postthrombotic syndrome with inflammation of right lower extremity
- I87.022Postthrombotic syndrome with inflammation of left lower extremity
- I87.023Postthrombotic syndrome with inflammation of bilateral lower extremity
- I87.029Postthrombotic syndrome with inflammation of unspecified lower extremity
- I87.031Postthrombotic syndrome with ulcer and inflammation of right lower extremity
- I87.032Postthrombotic syndrome with ulcer and inflammation of left lower extremity
- I87.033Postthrombotic syndrome with ulcer and inflammation of bilateral lower extremity
- I87.039Postthrombotic syndrome with ulcer and inflammation of unspecified lower extremity
- I87.091Postthrombotic syndrome with other complications of right lower extremity
- I87.092Postthrombotic syndrome with other complications of left lower extremity
- I87.093Postthrombotic syndrome with other complications of bilateral lower extremity
- I87.099Postthrombotic syndrome with other complications of unspecified lower extremity
Documentation tips
- Make sure the note supports every element of the title, “Postthrombotic syndrome with ulcer and inflammation of bilateral 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 I87.
The international WHO ICD-10 also has I87, 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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