I21 vs I82.469
I21 (Acute myocardial infarction) compared with I82.469 (Acute embolism and thrombosis of unspecified calf muscular vein), from the official CMS tabular data. Both may be reported when both conditions are documented (Excludes2).
Can these codes be reported together?
Yes, when both are documented. I82.469 carries an Excludes2 note covering I21: “coronary (I21-I25)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
Side by side
| I21Acute myocardial infarction | I82.469Acute embolism and thrombosis of unspecified calf muscular vein | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | I00-I99 — Diseases of the Circulatory System (I00-I99) | I00-I99 — Diseases of the Circulatory System (I00-I99) |
| Definition | Acute myocardial infarction is a non-billable ICD-10-CM category code (I21). | Acute embolism and thrombosis of unspecified calf muscular vein is a billable ICD-10-CM diagnosis code (I82.469). |
| Includes | cardiac infarction coronary (artery) embolism coronary (artery) occlusion coronary (artery) rupture | — |
| Use additional code | code, if applicable, to identify: exposure to environmental tobacco smoke (Z77.22) history of tobacco dependence (Z87.891) | — |
| Code first | — | 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