Non-Billable / Non-Specific Code
ICD-10-CM I82.40 is the diagnosis code for Acute embolism and thrombosis of unspecified deep veins of lower extremity. This code falls under the section "Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as I82.40. They are mutually exclusive:
Understanding where I82.40 sits in the ICD-10-CM classification helps ensure proper coding:
No, I82.40 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I82.40 is the ICD-10-CM diagnosis code for "Acute embolism and thrombosis of unspecified deep veins of lower extremity". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I82.40 is I82.4 ("Acute embolism and thrombosis of deep veins of lower extremity"). I82.40 provides a more specific classification within this category.
I82.40 is located in Section I80-I89 — "Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified" within Chapter 9 of the ICD-10-CM Tabular List.
I82.40 has 4 sub-code(s) that provide more specific detail: I82.401, I82.402, I82.403, I82.409.
Use I82.40 when the patients documented diagnosis matches "Acute embolism and thrombosis of unspecified deep veins of lower extremity" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Acute embolism and thrombosis of unspecified deep veins of lower extremity is I82.40.
No, I82.40 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I82.40 is in Chapter 9 of the ICD-10-CM Tabular List.
Type 1 Excludes for I82.40 include: 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-).
Yes, I82.40 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.