I82.40 vs I82.4Y
I82.40 (Acute embolism and thrombosis of unspecified deep veins of lower extremity) compared with I82.4Y (Acute embolism and thrombosis of unspecified deep veins of proximal lower extremity), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. I82.40 carries an Excludes1 note covering I82.4Y: “acute embolism and thrombosis of unspecified deep veins of proximal lower extremity (I82.4Y-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| I82.40Acute embolism and thrombosis of unspecified deep veins of lower extremity | I82.4YAcute embolism and thrombosis of unspecified deep veins of proximal lower extremity | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | I00-I99 — Diseases of the Circulatory System (I00-I99) |
| Definition | Acute embolism and thrombosis of unspecified deep veins of lower extremity is a non-billable ICD-10-CM category code (I82.40). | Acute embolism and thrombosis of unspecified deep veins of proximal lower extremity is a non-billable ICD-10-CM category code (I82.4Y). |
| Includes | Deep vein thrombosis NOS DVT NOS | Acute embolism and thrombosis of deep vein of thigh NOS Acute embolism and thrombosis of deep vein of upper leg NOS |
| Code first | venous embolism and thrombosis complicating: abortion, ectopic or molar pregnancy (O00-O07, O08.7) | venous embolism and thrombosis complicating: abortion, ectopic or molar pregnancy (O00-O07, O08.7) |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources