R22 — Localized swelling, mass and lump of skin and subcutaneous tissue
Is R22 billable?
No — R22 is a non-billable header code. R22 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 12 billable codes beneath R22.
Billable codes under this header
- R22.0Localized swelling, mass and lump, head
- R22.1Localized swelling, mass and lump, neck
- R22.2Localized swelling, mass and lump, trunk
- R22.9Localized swelling, mass and lump, unspecified
- R22.30Localized swelling, mass and lump, unspecified upper limb
- R22.31Localized swelling, mass and lump, right upper limb
- R22.32Localized swelling, mass and lump, left upper limb
- R22.33Localized swelling, mass and lump, upper limb, bilateral
- R22.40Localized swelling, mass and lump, unspecified lower limb
- R22.41Localized swelling, mass and lump, right lower limb
- R22.42Localized swelling, mass and lump, left lower limb
- R22.43Localized swelling, mass and lump, lower limb, bilateral
R22 at a glance
| Code | R22 |
|---|---|
| Description | Localized swelling, mass and lump of skin and subcutaneous tissue |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with R22 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Includes
Conditions classified to R22.
- subcutaneous nodules (localized)(superficial)
Excludes2 — not included here — inherited from Chapter 18
The conditions below are not part of R22, but a patient may have both at the same time. When documentation supports it, R22 and the excluded code may both be reported.
Excludes2 — not included here — inherited from R20-R23
The conditions below are not part of R22, but a patient may have both at the same time. When documentation supports it, R22 and the excluded code may both be reported.
- symptoms relating to breast (N64.4-N64.5)
What codes fall under R22? (6)
- 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 limbnot billable
- R22.4Localized swelling, mass and lump, lower limbnot billable
- R22.9Localized swelling, mass and lump, unspecified
How long has R22 existed?
R22 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with R22?
ICD-10-CM declares these codes mutually exclusive with R22 — exactly one of each pair can be correct for a given encounter.