I82.5Z – Chronic embolism and thrombosis of unspecified deep veins of distal lower extremity
ICD-10-CM 2027 diagnosis code · Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified
- Code
I82.5Z(claims format:I825Z)- Description
- Chronic embolism and thrombosis of unspecified deep veins of distal lower extremity
- Short description
- Chr emblsm and thombos unsp deep veins of distal low extrm
- Billable
- No – use a more specific code below
- 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
Billable codes under I82.5Z
I82.5Z is a header code and cannot be used on claims. Choose the most specific code:
- I82.5Z1 – Chronic embolism and thrombosis of unspecified deep veins of right distal lower extremityBillable
- I82.5Z2 – Chronic embolism and thrombosis of unspecified deep veins of left distal lower extremityBillable
- I82.5Z3 – Chronic embolism and thrombosis of unspecified deep veins of distal lower extremity, bilateralBillable
- I82.5Z9 – Chronic embolism and thrombosis of unspecified deep veins of unspecified distal lower extremityBillable
Notes for I82.5Z
- Chronic embolism and thrombosis of deep veins of calf NOS
- Chronic embolism and thrombosis of deep veins of lower leg NOS
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
I82.5 – Chronic embolism and thrombosis of deep veins of lower extremity
- personal history of venous embolism and thrombosis (Z86.718)
- code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
Index terms for I82.5Z
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I82.5
- I82.50 – Chronic embolism and thrombosis of unspecified deep veins of lower extremityHeader
- I82.51 – Chronic embolism and thrombosis of femoral veinHeader
- I82.52 – Chronic embolism and thrombosis of iliac veinHeader
- I82.53 – Chronic embolism and thrombosis of popliteal veinHeader
- I82.54 – Chronic embolism and thrombosis of tibial veinHeader
- I82.55 – Chronic embolism and thrombosis of peroneal veinHeader
- I82.56 – Chronic embolism and thrombosis of calf muscular veinHeader
- I82.59 – Chronic embolism and thrombosis of other specified deep vein of lower extremityHeader
- I82.5Y – Chronic embolism and thrombosis of unspecified deep veins of proximal lower extremityHeader
Frequently asked questions
What is ICD-10 code I82.5Z?
I82.5Z is the ICD-10-CM code for chronic embolism and thrombosis of unspecified deep veins of distal lower extremity, in the block I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).
Is I82.5Z a billable code?
No. I82.5Z is a header code with more specific child codes; report one of the billable codes listed above.
What category does I82.5Z 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.