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Home/Diagnosis/ICD-10 Coding for Axillary Mass

ICD-10 Coding for Axillary Mass

N63.32
R22.3

Complete ICD-10-CM coding and documentation guide for icd-10 coding for axillary mass includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Axillary Lump
Lump in Armpit
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Key Information: ICD-10 Coding for Axillary Mass

Essential facts and insights about ICD-10 Coding for Axillary Mass

Use ICD-10 code N63.32 for unspecified lump in axillary tail of left breast, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Unspecified lump in axillary tail of left breast

Billable Code
N63.32
Billable

Diagnostic Criteria

clinical:
  • • Mass confirmed in axillary tail via imaging
documentation:
  • • Specify laterality and breast tissue involvement

Applicable To

  • • Lump in axillary tail of left breast

Important Notes

  • • Ensure imaging or clinical exam confirms axillary tail involvement.

Localized swelling, mass and lump, upper limb

Non-Billable
R22.3
Non-Billable

Diagnostic Criteria

clinical:
  • • Clinical exam or imaging showing mass in axilla without breast involvement

Applicable To

  • • Lump in axilla not involving breast tissue

Important Notes

  • • Ensure documentation specifies lack of breast involvement.
Ancillary Codes

Additional codes that may be used with this diagnosis

C77.3

Secondary and unspecified malignant neoplasm of axillary lymph nodes

Use with primary malignancy code when metastasis to axillary nodes is confirmed.

Frequently Asked Questions

How is an axillary mass coded in ICD-10?

An axillary mass is coded based on its location and involvement. Use N63.32 for masses in the axillary tail of the breast and R22.3 for non-breast related axillary masses.

What documentation is needed for coding an axillary mass?

Documentation should specify the exact location, laterality, and imaging findings to support the correct ICD-10 code selection.

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