Billable / Specific Code
ICD-10-CM I89.9 is the diagnosis code for Noninfective disorder of lymphatic vessels and lymph nodes, unspecified. 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.
Understanding where I89.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, I89.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
I89.9 is the ICD-10-CM diagnosis code for "Noninfective disorder of lymphatic vessels and lymph nodes, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of I89.9 is I89 ("Other noninfective disorders of lymphatic vessels and lymph nodes"). I89.9 provides a more specific classification within this category.
I89.9 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 I89.9 when the patients documented diagnosis matches "Noninfective disorder of lymphatic vessels and lymph nodes, unspecified" 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 Noninfective disorder of lymphatic vessels and lymph nodes, unspecified is I89.9.
Yes, I89.9 can be used as a primary diagnosis code since it is billable and specific.
I89.9 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I89.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.