I82.5Y
⚠ Non-billable (Header)Chronic embolism and thrombosis of unspecified deep veins of proximal lower extremity
Diseases of the circulatory system (I00-I99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
Also Known As
Chronic embolism and thrombosis of deep veins of thigh NOSChronic embolism and thrombosis of deep veins of upper leg NOS
❌ Excludes1
inherited from I82.5Rules from parent category I82.5: Chronic embolism and thrombosis of deep veins of lower extremity
- • personal history of venous embolism and thrombosis (Z86.718)
📋 Code Instructions
from I82.5- • code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
Child Codes (4)
I82.5Y1Chronic embolism and thrombosis of unspecified deep veins of right proximal lower extremityI82.5Y2Chronic embolism and thrombosis of unspecified deep veins of left proximal lower extremityI82.5Y3Chronic embolism and thrombosis of unspecified deep veins of proximal lower extremity, bilateralI82.5Y9Chronic embolism and thrombosis of unspecified deep veins of unspecified proximal lower extremity
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CodeI82.5Y
BillableNo — Header code
ParentI82.5
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)