ICD-10-CM
ICD-10 code for Mass superficial (localized): R22.9
The ICD-10-CM index points "Mass superficial (localized)" to R22.9, Localized swelling, mass and lump, unspecified. R22.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in R22
A header groups codes and is not billed. A billable code is one you can report.
- R22Localized swelling, mass and lump of skin and subcutaneous tissueHeader
- R22.0Localized swelling, mass and lump, headBillable
- R22.1Localized swelling, mass and lump, neckBillable
- R22.2Localized swelling, mass and lump, trunkBillable
- R22.3Localized swelling, mass and lump, upper limbHeader
- R22.30Localized swelling, mass and lump, unspecified upper limbBillable
- R22.31Localized swelling, mass and lump, right upper limbBillable
- R22.32Localized swelling, mass and lump, left upper limbBillable
- R22.33Localized swelling, mass and lump, upper limb, bilateralBillable
- R22.4Localized swelling, mass and lump, lower limbHeader
- R22.40Localized swelling, mass and lump, unspecified lower limbBillable
- R22.41Localized swelling, mass and lump, right lower limbBillable
- R22.42Localized swelling, mass and lump, left lower limbBillable
- R22.43Localized swelling, mass and lump, lower limb, bilateralBillable
- R22.9Localized swelling, mass and lump, unspecifiedBillable
Excludes1
Excludes1 means these codes are not reported together.
From R22. A note on a category applies to every code under it.
Related conditions
Related pages
- R22.9 code detailsNotes, nearby codes, CMS-HCC group
- Category R22Every code under it
- Chapter 18Symptoms, signs and abnormal clinical findings
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Mass superficial (localized)?
The ICD-10-CM index points "Mass superficial (localized)" to R22.9, Localized swelling, mass and lump, unspecified. R22.9 is a billable code.
Is R22.9 billable?
Yes. R22.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to R22.9?
The CDC tabular list gives 5 Excludes1 notes (not coded together) for R22.9 and the categories above it. They are listed on this page.
What chapter is R22.9 in?
Chapter 18. Symptoms, signs and abnormal clinical findings.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.