I87.012 – Postthrombotic syndrome with ulcer of left lower extremity

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

Billable code

ICD-10-CM code I87.012

Code: I87.012 (claims format: I87012)
Description: Postthrombotic syndrome with ulcer of left lower extremity
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: I87 › I87.0 › I87.01

Notes inherited from parent codes

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

I87.0 – Postthrombotic syndrome

Applicable to:

Chronic venous hypertension due to deep vein thrombosis
Postphlebitic syndrome

Excludes1 (not coded here):

chronic venous hypertension without deep vein thrombosis (I87.3-)

I87.01 – Postthrombotic syndrome with ulcer

Use additional code:

code to specify site and severity of ulcer (L97.-)

Related codes in I87.01

Frequently asked questions

What is ICD-10 code I87.012?

I87.012 is the ICD-10-CM code for postthrombotic syndrome with ulcer of left lower extremity, in the block I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).

Is I87.012 a billable code?

Yes. I87.012 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I87.012 belong to?

It belongs to category I87 – Other disorders of veins.

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.