Billable / Specific Code
ICD-10-CM I82.5Y9 is the diagnosis code for Chronic embolism and thrombosis of unspecified deep veins of unspecified proximal 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where I82.5Y9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I82.5Y9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I82.5Y9 is the ICD-10-CM diagnosis code for "Chronic embolism and thrombosis of unspecified deep veins of unspecified proximal lower extremity". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I82.5Y9 is I82.5Y ("Chronic embolism and thrombosis of unspecified deep veins of proximal lower extremity"). I82.5Y9 provides a more specific classification within this category.
I82.5Y9 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.
I82.5Y9 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use I82.5Y9 when the patients documented diagnosis matches "Chronic embolism and thrombosis of unspecified deep veins of unspecified proximal 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 Chronic embolism and thrombosis of unspecified deep veins of unspecified proximal lower extremity is I82.5Y9.
Yes, I82.5Y9 can be used as a primary diagnosis code since it is billable and specific.
I82.5Y9 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I82.5Y9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.