R22.3 Localized swelling, mass and lump, upper limbNon-billable header with 4 child codes.
R22.30 Localized swelling, mass and lump, unspecified upper limbR22.31 Localized swelling, mass and lump, right upper limbR22.32 Localized swelling, mass and lump, left upper limbR22.33 Localized swelling, mass and lump, upper limb, bilateralR22 Localized swelling, mass and lump of skin and subcutaneous tissueR22.0 Localized swelling, mass and lump, headR22.1 Localized swelling, mass and lump, neckR22.2 Localized swelling, mass and lump, trunkR22.3 Localized swelling, mass and lump, upper limb (this code)R22.30 Localized swelling, mass and lump, unspecified upper limbR22.31 Localized swelling, mass and lump, right upper limbR22.32 Localized swelling, mass and lump, left upper limbR22.33 Localized swelling, mass and lump, upper limb, bilateralR22.4 Localized swelling, mass and lump, lower limb