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BillableAcute lymphadenitis of face, head and neck
L04.0 is the ICD-10-CM code for Acute lymphadenitis of face, head and neck. It is a billable, specific code valid for reimbursement.
L00-L99 Diseases of the skin and subcutaneous tissue
What this means — in plain language
MedlinePlus · NIHThe 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…
Read more about Lymphatic Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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