Neck Mass ICD-10-CM Codes | 2025

Read this short guide to learn about Neck Mass ICD codes you can use!

By Patricia Buenaventura on Apr 30, 2025.

Fact Checked by Gale Alagos.

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Neck Mass ICD-10-CM Codes | 2025

What ICD-10 codes are used for neck mass?

If you're looking for neck mass ICD codes, only one ICD-10 code suits it, and that's R22.1: Localized swelling, mass, and lump, neck. It is meant to be used on patients confirmed to have masses/lumps on their neck, no matter which part of the neck has them.

The code is located in the code range R20-23: Symptoms and signs involving the skin and subcutaneous tissue, specifically under R22: "Localized swelling, mass and lump of skin and subcutaneous tissue."

Which neck mass ICD codes are billable?

The lone Neck Mass ICD code, R22.1, is billable.

Clinical information

When healthcare professionals speak of a neck mass, they refer to lumps or swelling in the neck. These lumps and swellings can appear anywhere on the neck and vary in shape and size.

Some neck masses are benign, meaning, even if they are considered an abnormal finding they're not a cause for concern and may disappear in time, but some are malignant and a healthcare provider should perform a physical exam, take a medical history, and order diagnostic imaging to assess.

Any number of things could cause neck masses. Some masses are congenital and can be removed immediately to prevent potential infections. Some are caused by the following:

  • Cysts
  • Thyroid nodules
  • Enlarged lymph nodes
  • Sarcoidosis
  • Neck trauma/injuries
  • Salivary gland tumors
  • Bacterial infections
  • Cancer

Synonyms include

  • Head and neck swelling
  • Cyst of neck
  • Mass of head and/or neck
  • Mass of neck
  • Mass of skin of neck
  • Neck swelling
  • Subcutaneous mass of neck
  • Nodule of subcutaneous tissue of neck
  • Neck, localized swelling
  • Neck mass ICD 10
  • ICD 10 code for neck mass
  • ICD 10 neck mass
  • Right neck mass ICD 10
  • Left neck mass ICD 10

Frequently asked questions

Are there any ways to prevent neck masses from forming or becoming problematic?

The most basic way to prevent neck masses is by practicing good hygiene, but prevention isn’t guaranteed, given that neck masses can form because of an underlying condition. Getting regular check-ups should determine the cause, and preventive measures and treatment (depending on the cause) can prevent masses from becoming larger and problematic.

If a person notices a mass in their neck, should they see a doctor immediately?

Yes. Even if some neck masses are benign, a person should see a doctor when they notice a mass that remains even after two or three weeks. If it becomes painful and/or starts growing rapidly, that’s a cause for concern.

How do healthcare professionals detect/diagnose the cause of neck masses?

They will conduct physical examinations, imaging tests, and biopsies to confirm the cause and determine if the masses are benign or malignant.

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