R22.2 Localized swelling, mass and lump, trunk

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Localized swelling, mass and lump, trunk is R22.2 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
R20-R23: Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
Category R22
15 codes (12 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to R22.2:

  • Swelling (of) › chest, localized
  • Mass › chest
  • Mass › localized (skin) › trunk
  • Swelling (of) › localized (skin) › trunk
  • Mass › localized (skin) › chest
  • Swelling (of) › localized (skin) › chest
Excludes1
Not coded here. These conditions should NOT be coded together with R22.2.
  • intra-abdominal or pelvic mass and lump (R19.0-)
  • intra-abdominal or pelvic swelling (R19.0-)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • breast mass and lump (N63)

U.S. Hospital Utilization

  • An estimated 9,500 U.S. inpatient stays in 2023 included R22.2 among the documented diagnoses.
  • 640 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Repeated falls vs history of falling

d. Repeated falls Code R29.6, Repeated falls, is for use for encounters when a patient has recently fallen and the reason for the fall is being investigated. Code Z91.81, History of falling, is for use when a patient has fallen in the past and is at risk for future falls. When appropriate, both codes R29.6 and Z91.81 may be assigned together.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.18.d
Use of R40.20 unspecified coma; do not report for induced/sedated

e. Coma Code R40.20, Unspecified coma, should be assigned when the underlying cause of the coma is not known, or the cause is a traumatic brain injury and the coma scale is not documented in the medical record. Do not report codes for unspecified coma, individual or total Glasgow coma scale scores for a patient with a medically induced coma or a sedated patient.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.18.e

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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