I82.4Z
⚠ Non-billable (Header)Acute embolism and thrombosis of unspecified deep veins of distal 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
Acute embolism and thrombosis of deep vein of calf NOSAcute embolism and thrombosis of deep vein of lower leg NOS
✅ No additional coding notes for I82.4Z
Child Codes (4)
I82.4Z1Acute embolism and thrombosis of unspecified deep veins of right distal lower extremityI82.4Z2Acute embolism and thrombosis of unspecified deep veins of left distal lower extremityI82.4Z3Acute embolism and thrombosis of unspecified deep veins of distal lower extremity, bilateralI82.4Z9Acute embolism and thrombosis of unspecified deep veins of unspecified distal lower extremity
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CodeI82.4Z
BillableNo — Header code
ParentI82.4
CategoryDiseases of the circulatory system (I00-I99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes4
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)