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v1.0.0
ICD-10 Guide
DiagnosesRight Axillary Mass

Right Axillary Mass

ICD-10 Coding for Right Axillary Mass(R22.31, N63.31, C77.3)

PRIMARY SPECIALTYSurgery
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Right Axillary Mass?
Essential facts and insights about Right Axillary Mass

Key Clinical Considerations:

  • Palpable mass in the right axillary region
  • Possible associated symptoms: pain, swelling, or tenderness
  • History of recent infections or trauma

Clinical Information

Clinical Criteria & Documentation Requirements

  • Detailed description of the mass (size, consistency, mobility)
  • History of present illness and relevant past medical history
  • Physical exam findings including lymphadenopathy or skin changes

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for coding soft tissue masses.
  • Common errors include misclassifying the mass type.

Code Exclusions

Important Exclusions

  • Malignant neoplasms of the axilla
  • Infectious processes like abscesses

Related ICD-10 Codes

Primary Codes
R22.31
Localized swelling, mass and lump, right axilla
Differential Codes
N63.31
C77.3
R22.31

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Surgery

Specialty Applications

  • Adults and children with axillary masses
  • Outpatient and inpatient surgical settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Include detailed descriptions of the mass and associated symptoms.

Billing considerations?

Ensure accurate coding to reflect the complexity of the case.