I82.409 – Acute embolism and thrombosis of unspecified deep veins of unspecified 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 I82.409

Code: I82.409 (claims format: I82409)
Description: Acute embolism and thrombosis of unspecified deep veins of unspecified lower extremity
Short description: Acute embolism and thombos unsp deep vn unsp 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: I82 › I82.4 › I82.40

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.-)

I82.40 – Acute embolism and thrombosis of unspecified deep veins of lower extremity

Applicable to:

Deep vein thrombosis NOS
DVT NOS

Excludes1 (not coded here):

acute embolism and thrombosis of unspecified deep veins of distal lower extremity (I82.4Z-)
acute embolism and thrombosis of unspecified deep veins of proximal lower extremity (I82.4Y-)

Related codes in I82.40

Frequently asked questions

What is ICD-10 code I82.409?

I82.409 is the ICD-10-CM code for acute embolism and thrombosis of unspecified deep veins of unspecified lower extremity, in the block I80-I89 (Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified).

Is I82.409 a billable code?

Yes. I82.409 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does I82.409 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.