I82.521
✓ Billable
Chronic embolism and thrombosis of right iliac vein
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I82.521
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code I82.521?
ICD-10-CM code I82.521 represents Chronic embolism and thrombosis of right iliac vein. It is a billable diagnosis code in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I82.521 billable?
Yes. I82.521 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is I82.521 in?
I82.521 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I82 category
I82
Other venous embolism and thrombosis
Non-billable
I82.0
Budd-Chiari syndrome
Billable
I82.1
Thrombophlebitis migrans
Billable
I82.2
Embolism and thrombosis of vena cava and other thoracic veins
Non-billable
I82.3
Embolism and thrombosis of renal vein
Billable
I82.4
Acute embolism and thrombosis of deep veins of lower extremity
Non-billable
I82.5
Chronic embolism and thrombosis of deep veins of lower extremity
Non-billable
I82.6
Acute embolism and thrombosis of veins of upper extremity
Non-billable
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