ICD-10 Code: R22.1 – Localized swelling, mass and lump, neck
ICD-10 code R22.1 corresponds to Localized swelling, mass and lump, neck. This code is classified under the chapter R22 Localized swelling, mass and lump of skin and subcutaneous tissue, which is part of the R20-R23: Symptoms and signs involving the skin and subcutaneous tissue category.
The parent chapter is Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.