I89.1: Lymphangitis
I89.1 is the billable ICD-10-CM diagnosis code for Lymphangitis. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code I89.1?
I89.1 is the ICD-10-CM diagnosis code for Lymphangitis. It belongs to category I89 (Other noninfective disorders of lymphatic vessels and lymph nodes).
Is I89.1 a billable code?
Yes. I89.1 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does I89.1 belong to?
I89.1 is part of ICD-10-CM category I89 — Other noninfective disorders of lymphatic vessels and lymph nodes, which has 8 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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