R22
ICD-10Non-billable categoryLocalized swelling, mass and lump of skin, subcu
Official ICD-10-CM descriptor (FY2026)
Localized swelling, mass and lump of skin and subcutaneous tissue
R22 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- subcutaneous nodules (localized)(superficial)
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- abnormal findings on diagnostic imaging (R90-R93)
- edema (R60.-)
- enlarged lymph nodes (R59.-)
- localized adiposity (E65)
- swelling of joint (M25.4-)
More specific codes under R22
- R22.0Localized swelling, mass and lump, head
- R22.1Localized swelling, mass and lump, neck
- R22.2Localized swelling, mass and lump, trunk
- R22.3Localized swelling, mass and lump, upper limbcategory
- R22.4Localized swelling, mass and lump, lower limbcategory
- R22.9Localized swelling, mass and lump, unspecified
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.