I82.523 – Chronic embolism and thrombosis of iliac vein, bilateral

ICD-10-CM 2027 diagnosis code · Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified

Billable code

ICD-10-CM code I82.523

Code: I82.523 (claims format: I82523)
Description: Chronic embolism and thrombosis of iliac vein, bilateral
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
Parent codes: I82 › I82.5 › I82.52

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

I82 – Other venous embolism and thrombosis

Excludes2 (not included here):

venous embolism and thrombosis (of):
cerebral (I63.6, I67.6)
coronary (I21-I25)
intracranial and intraspinal, septic or NOS (G08)
intracranial, nonpyogenic (I67.6)
intraspinal, nonpyogenic (G95.1)
mesenteric (K55.0-)
portal (I81)
pulmonary (I26.-)

Code first:

venous embolism and thrombosis complicating:
abortion, ectopic or molar pregnancy (O00-O07, O08.7)
pregnancy, childbirth and the puerperium (O22.-, O87.-)

I82.5 – Chronic embolism and thrombosis of deep veins of lower extremity

Excludes1 (not coded here):

personal history of venous embolism and thrombosis (Z86.718)

Use additional code:

code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)

I82.52 – Chronic embolism and thrombosis of iliac vein

Applicable to:

Chronic embolism and thrombosis of common iliac vein
Chronic embolism and thrombosis of external iliac vein
Chronic embolism and thrombosis of internal iliac vein

Related codes in I82.52

Frequently asked questions

What is ICD-10 code I82.523?

I82.523 is the ICD-10-CM code for chronic embolism and thrombosis of iliac vein, bilateral, in the block I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).

Is I82.523 a billable code?

Yes. I82.523 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I82.523 belong to?

It belongs to category I82 – Other venous embolism and thrombosis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.