I89.0 — Lymphedema, not elsewhere classified

I89.0

ICD-10 Chapter 9: Circulatory System — illustrative image — Chapter 9: Diseases of the circulatory system (I00–I99) — illustrative image

What this code means

Lymphoedema is swelling caused by a build-up of lymph fluid when the lymphatic system cannot drain properly.

Also called: lymphedema, lymphoedema.

When this code is used

Used for lymphoedema, not elsewhere classified.

Where it sits in ICD-10-CM

Code I89.0 belongs to Chapter 9: Diseases of the circulatory system, which covers codes I00–I99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related symptoms

Swelling in one leg

Watch: related videos

▶ WatchTreatment options for lymphedema ▶ WatchExercises for leg lymphedema swelling or edema ▶ WatchIs lymphedema reversible

Frequently asked questions

What is ICD-10-CM code I89.0?

I89.0 is the ICD-10-CM diagnosis code for “Lymphedema, not elsewhere classified”. Lymphoedema is swelling caused by a build-up of lymph fluid when the lymphatic system cannot drain properly.

When is code I89.0 used?

Used for lymphoedema, not elsewhere classified. It belongs to Chapter 9 of ICD-10-CM (Diseases of the circulatory system).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.