ICD10BillableValid for clinical use
ICD-10 Code I82.522: Chronic embolism and thrombosis of left iliac vein
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).
When is it used?
- May be used when a clinician documents chronic embolism and thrombosis of left iliac vein in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I80-I89Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
category
I82Other venous embolism and thrombosis
category
I82.5Chronic embolism and thrombosis of deep veins of lower extremity
category
I82.52Chronic embolism and thrombosis of iliac vein
currentI82.52
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
CardiologistGeneral Physician
Related codes
Sibling codes
Coverage-related procedures and services
CPT 93970high
DUPLEX SCAN OF EXTREMITY VEINS INCLUDING RESPONSES TO COMPRESSION AND OTHER MANEUVERS; COMPLETE BILATERAL STUDY
Source: CMS coverage guidance
CPT 93971high
DUPLEX SCAN OF EXTREMITY VEINS INCLUDING RESPONSES TO COMPRESSION AND OTHER MANEUVERS; UNILATERAL OR LIMITED STUDY
Source: CMS coverage guidance
CPT 37182high
INSERTION OF TRANSVENOUS INTRAHEPATIC PORTOSYSTEMIC SHUNT(S) (TIPS) (INCLUDES VENOUS ACCESS, HEPATIC AND PORTAL VEIN CATHETERIZATION, PORTOGRAPHY WITH HEMODYNAMIC EVALUATION, INTRAHEPATIC TRACT FORMATION/DILATATION, STENT PLACEMENT AND ALL ASSOCIATED IMAGING GUIDANCE AND DOCUMENTATION)
Source: CMS coverage guidance
CPT 37183high
REVISION OF TRANSVENOUS INTRAHEPATIC PORTOSYSTEMIC SHUNT(S) (TIPS) (INCLUDES VENOUS ACCESS, HEPATIC AND PORTAL VEIN CATHETERIZATION, PORTOGRAPHY WITH HEMODYNAMIC EVALUATION, INTRAHEPATIC TRACT RECANNULIZATION/DILATATION, STENT PLACEMENT AND ALL ASSOCIATED IMAGING GUIDANCE AND DOCUMENTATION)
Source: CMS coverage guidance
CPT 37239high
TRANSCATHETER PLACEMENT OF AN INTRAVASCULAR STENT(S), OPEN OR PERCUTANEOUS, INCLUDING RADIOLOGICAL SUPERVISION AND INTERPRETATION AND INCLUDING ANGIOPLASTY WITHIN THE SAME VESSEL, WHEN PERFORMED; EACH ADDITIONAL VEIN (LIST SEPARATELY IN ADDITION TO CODE FOR PRIMARY PROCEDURE)
Source: CMS coverage guidance
CPT 37238high
TRANSCATHETER PLACEMENT OF AN INTRAVASCULAR STENT(S), OPEN OR PERCUTANEOUS, INCLUDING RADIOLOGICAL SUPERVISION AND INTERPRETATION AND INCLUDING ANGIOPLASTY WITHIN THE SAME VESSEL, WHEN PERFORMED; INITIAL VEIN
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Chronic embolism and thrombosis of left iliac vein
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.