R22Header code — not billable
Localized swelling, mass and lump of skin and subcutaneous tissue
Short description: Localized swelling, mass and lump of skin, subcu
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R22
- Effective date
- October 1, 2026
Related codes in category R22
R22.0Localized swelling, mass and lump, headYesR22.1Localized swelling, mass and lump, neckYesR22.2Localized swelling, mass and lump, trunkYesR22.3Localized swelling, mass and lump, upper limbR22.30Localized swelling, mass and lump, unspecified upper limbYesR22.31Localized swelling, mass and lump, right upper limbYesR22.32Localized swelling, mass and lump, left upper limbYesR22.33Localized swelling, mass and lump, upper limb, bilateralYesR22.4Localized swelling, mass and lump, lower limbR22.40Localized swelling, mass and lump, unspecified lower limbYesR22.41Localized swelling, mass and lump, right lower limbYesR22.42Localized swelling, mass and lump, left lower limbYes
Frequently asked questions
What is ICD-10 code R22?
R22 is an ICD-10-CM diagnosis code for Localized swelling, mass and lump of skin and subcutaneous tissue.
Is R22 a billable code?
No. R22 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is R22 in?
R22 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R22 become effective?
R22 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R22?
R22 belongs to category R22, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.