Anpheros Search · Condition

Acute lymphadenitis

General information only. Anpheros does not diagnose and does not recommend treatment. Talk to a doctor or pharmacist about your situation. In an emergency, call 112 (or your local emergency number).

In short

The lymphatic system is a network of tissues and organs made up of lymph, lymph vessels, and lymph nodes. Along with the spleen, lymph nodes are glands found throughout the lymph vessels where white blood cells fight infection. The lymphatic system clears away infection and keeps body fluids in balance, but problems can include infections, blockage, cancer, and swelling called lymphedema.

Source: MedlinePlus, National Library of Medicine.

AI-generated summary of the sources cited on this page, checked automatically against them. Not reviewed by a clinician; not medical advice.

Codes

ICD-10
L04
ICD-11
BD90.0 Acute lymphadenitis

Description

The lymphatic system is a network of tissues and organs. It is made up of:

  • Lymph - a fluid that contains white blood cells that defend against germs
  • Lymph vessels - vessels that carry lymph throughout your body. They are different from blood vessels.
  • Lymph nodes - glands found throughout the lymph vessels. Along with your spleen, these nodes are where white blood cells fight infection.

Your bone marrow and thymus produce the cells in lymph. They are part of the system, too.

The lymphatic system clears away infection and keeps your body fluids in balance. If it's not working properly, fluid builds in your tissues and causes swelling, called lymphedema. Other lymphatic system problems can include infections, blockage, and cancer.

Source: MedlinePlus, National Library of Medicine.

Next to it in ICD-10

Neighbouring codes in the classification, not a medical link.

External resources

Questions

What is the ICD-10 code for Acute lymphadenitis?

L04 (WHO, International Classification of Diseases, 10th Revision).

What is the ICD-11 code for Acute lymphadenitis?

BD90.0: Acute lymphadenitis (WHO, ICD-11 for Mortality and Morbidity Statistics).

Sources and attribution

  • ICD-11 for Mortality and Morbidity Statistics, © World Health Organization, licensed under CC BY-ND 3.0 IGO.
  • Names other than the official source titles: Anpheros translations and plain-language names, made with AI assistance and checked automatically; the source names are in English.
  • Source: MedlinePlus, National Library of Medicine.
  • ICD-10 codes and titles © World Health Organization. Source: WHO, International Classification of Diseases, 10th Revision (2019).

Anpheros Search catalog 2026.10.5, published 17 October 2026. About the data →