ICD-10-CM · Chapter 18 · R00-R99
R22 Localized swelling, mass and lump of skin and subcutaneous tissue
Includes
- subcutaneous nodules (localized)(superficial)
Excludes 1 (cannot be coded together)
- abnormal findings on diagnostic imaging (R90-R93)
- edema (R60.-)
- enlarged lymph nodes (R59.-)
- localized adiposity (E65)
- swelling of joint (M25.4-)
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| R22..0 | Localized swelling, mass and lump, head | Yes |
| R22..1 | Localized swelling, mass and lump, neck | Yes |
| R22..2 | Localized swelling, mass and lump, trunk | Yes |
| R22..3 | Localized swelling, mass and lump, upper limb | No |
| R22..30 | Localized swelling, mass and lump, unspecified upper limb | Yes |
| R22..31 | Localized swelling, mass and lump, right upper limb | Yes |
| R22..32 | Localized swelling, mass and lump, left upper limb | Yes |
| R22..33 | Localized swelling, mass and lump, upper limb, bilateral | Yes |
| R22..4 | Localized swelling, mass and lump, lower limb | No |
| R22..40 | Localized swelling, mass and lump, unspecified lower limb | Yes |
| R22..41 | Localized swelling, mass and lump, right lower limb | Yes |
| R22..42 | Localized swelling, mass and lump, left lower limb | Yes |
| R22..43 | Localized swelling, mass and lump, lower limb, bilateral | Yes |
| R22..9 | Localized swelling, mass and lump, unspecified | Yes |
Last reviewed: September 2026