Billable / Specific Code
ICD-10-CM I87.091 is the diagnosis code for Postthrombotic syndrome with other complications of right 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 I87.091 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I87.091 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I87.091 is the ICD-10-CM diagnosis code for "Postthrombotic syndrome with other complications of right lower extremity". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I87.091 is I87.09 ("Postthrombotic syndrome with other complications"). I87.091 provides a more specific classification within this category.
I87.091 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.
Use I87.091 when the patients documented diagnosis matches "Postthrombotic syndrome with other complications of right 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 Postthrombotic syndrome with other complications of right lower extremity is I87.091.
Yes, I87.091 can be used as a primary diagnosis code since it is billable and specific.
I87.091 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I87.091 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.