N60-N65
Medium Complexity

Disorders of breast

Primary Specialty: General Surgery
Last Updated: 2025-09-09

ICD-10 Codes (50)

49 billable
0 category headers
N61
Billable
Inflammatory disorders of breast
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N61.0
Billable
Mastitis without abscess
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N61.1
Billable
Abscess of the breast and nipple
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N61.2
Billable
Granulomatous mastitis
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N61.20
Billable
Granulomatous mastitis, unspecified breast
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N61.21
Billable
Granulomatous mastitis, right breast
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N61.22
Billable
Granulomatous mastitis, left breast
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N61.23
Billable
Granulomatous mastitis, bilateral breast
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N62
Billable
Hypertrophy of breast
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N63
Billable
Unspecified lump in breast
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N63.0
Billable
Unspecified lump in unspecified breast
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N63.1
Billable
Unspecified lump in the right breast
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N63.10
Billable
Unspecified lump in the right breast, unspecified quadrant
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N63.11
Billable
Unspecified lump in the right breast, upper outer quadrant
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N63.12
Billable
Unspecified lump in the right breast, upper inner quadrant
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N63.13
Billable
Unspecified lump in the right breast, lower outer quadrant
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N63.14
Billable
Unspecified lump in the right breast, lower inner quadrant
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N63.15
Billable
Unspecified lump in the right breast, overlapping quadrants
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N63.2
Billable
Unspecified lump in the left breast
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N63.20
Billable
Unspecified lump in the left breast, unspecified quadrant
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N63.21
Billable
Unspecified lump in the left breast, upper outer quadrant
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N63.22
Billable
Unspecified lump in the left breast, upper inner quadrant
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N63.23
Billable
Unspecified lump in the left breast, lower outer quadrant
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N63.24
Billable
Unspecified lump in the left breast, lower inner quadrant
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N63.25
Billable
Unspecified lump in the left breast, overlapping quadrants
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N63.3
Billable
Unspecified lump in axillary tail
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N63.31
Billable
Unspecified lump in axillary tail of the right breast
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N63.32
Billable
Unspecified lump in axillary tail of the left breast
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N63.4
Billable
Unspecified lump in breast, subareolar
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N63.41
Billable
Unspecified lump in right breast, subareolar
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N63.42
Billable
Unspecified lump in left breast, subareolar
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N64
Other disorders of breast
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N64.0
Billable
Fissure and fistula of nipple
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N64.1
Billable
Fat necrosis of breast
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N64.2
Billable
Atrophy of breast
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N64.3
Billable
Galactorrhea not associated with childbirth
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N64.4
Billable
Mastodynia
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N64.5
Billable
Other signs and symptoms in breast
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N64.51
Billable
Induration of breast
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N64.52
Billable
Nipple discharge
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N64.53
Billable
Retraction of nipple
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N64.59
Billable
Other signs and symptoms in breast
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N64.8
Billable
Other specified disorders of breast
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N64.81
Billable
Ptosis of breast
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N64.82
Billable
Hypoplasia of breast
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N64.89
Billable
Other specified disorders of breast
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N64.9
Billable
Disorder of breast, unspecified
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N65
Billable
Deformity and disproportion of reconstructed breast
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N65.0
Billable
Deformity of reconstructed breast
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N65.1
Billable
Disproportion of reconstructed breast
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Updates & Changes

FY 2026 Updates

Current Year

New Codes (2)

N18.30
Chronic kidney disease, stage 3a (GFR 45-59)
N18.31
Chronic kidney disease, stage 3b (GFR 30-44)

Revised Codes (1)

N18.6
End stage renal disease - updated to align with KDIGO guidelines

Deleted Codes(1)

N18.3
Chronic kidney disease, stage 3 (moderate) - replaced by more specific 3a/3b staging

Historical Changes

  • •FY 2025: Routine maintenance updates with minor terminology clarifications
  • •FY 2024: Enhanced specificity requirements for certain code ranges
  • •FY 2023: Updated documentation guidelines for improved clarity

Upcoming Changes

  • •Proposed updates pending review by Coordination and Maintenance Committee
  • •Under consideration: Enhanced digital health integration codes

Implementation Guidance

  • •Review all FY 2026 updates for N60-N65 codes before implementation
  • •Always verify the most current codes in the ICD-10-CM manual
  • •Ensure clinical documentation supports the selected diagnosis codes
  • +3 more guidance items...

Range Overview

high priority

The ICD-10 category N60-N65 covers a range of disorders of the breast. These codes are used to document various breast conditions such as cystic mastopathy (N60), fibroadenosis (N61), mastitis (N61), other disorders of the breast (N64), and Mammographic microcalcification (N65). The codes are designed to provide detailed information about the type, location, and severity of the breast disorder, aiding in treatment planning and statistical tracking.

Key Usage Points:

  • •Always use specific codes that describe the diagnosis to the highest level of specificity.
  • •Remember to code also any associated underlying condition first.
  • •Use additional code to identify estrogen receptor status (Z17.0, Z17.1).
  • •For postprocedural disorders, code to complication of procedure (T81.-).

Coding Guidelines

When to Use:

  • ✓Patient diagnosed with fibrocystic breast disease (N60.1).
  • ✓Patient with lactational mastitis (N61.0).
  • ✓Patient with nipple discharge (N64.52).
  • ✓Patient with mammographic calcification found (N65.0).

When NOT to Use:

  • ✗Patient with breast cancer (use C50.-).
  • ✗Patient with gynecomastia (use E30.0).
  • ✗Patient with mastodynia (use N64.4).
  • ✗Patient with postprocedural disorders (use T81.-).

Code Exclusions

Always verify exclusions against the patient's medical record to ensure accurate coding.

Documentation Requirements

Documentation for disorders of the breast should include a detailed description of the condition, its location, and severity. Any associated conditions or complications should also be documented.

Clinical Information:

  • •Specific diagnosis
  • •Location of the condition
  • •Severity of the condition
  • •Any associated conditions or complications
  • •Estrogen receptor status if applicable

Supporting Evidence:

  • •Clinical notes
  • •Lab reports
  • •Imaging reports
  • •Surgical reports
Good Documentation Example:

Patient diagnosed with fibrocystic breast disease, located in the upper outer quadrant of the right breast. Condition is moderate in severity. Estrogen receptor status is positive.

Poor Documentation Example:

Patient has a breast condition.

Common Documentation Errors:

  • âš Not specifying the location of the condition
  • âš Not documenting the severity of the condition
  • âš Not documenting associated conditions or complications
  • âš Not documenting estrogen receptor status if applicable

Range Statistics

Total Codes
49
Billable
Complexity:
Medium
Primary Use:Clinical Documentation
Chapter:14

Coding Complexity

Medium
Complexity Rating

The coding complexity for disorders of the breast is considered medium. While the codes themselves are straightforward, the complexity comes from understanding the various types of breast disorders, determining the correct code based on the location and severity of the condition, identifying any associated conditions or complications, and understanding the exclusions for this category.

Key Factors:
  • â–¸Understanding the various types of breast disorders
  • â–¸Determining the correct code based on the location and severity of the condition
  • â–¸Identifying any associated conditions or complications
  • â–¸Understanding the exclusions for this category

Specialty Focus

These codes are most commonly used in specialties that deal with breast health, such as general surgery, oncology, and obstetrics and gynecology.

Primary Specialties:
General Surgery
40%
Oncology
30%
Obstetrics and Gynecology
30%
Clinical Scenarios:
  • • Patient with fibrocystic breast disease
  • • Patient with lactational mastitis
  • • Patient with nipple discharge
  • • Patient with mammographic calcification found

Resources & References

The official ICD-10 guidelines and the American Hospital Association's Coding Clinic are valuable resources for coding disorders of the breast. Clinical references such as medical textbooks and journal articles can also provide useful information.

Official Guidelines:

  • ICD-10-CM Official Guidelines for Coding and Reporting
  • American Hospital Association's Coding Clinic

Clinical References:

  • Medical textbooks
  • Journal articles

Educational Materials:

  • ICD-10 coding training materials
  • Webinars and online courses on ICD-10 coding

Frequently Asked Questions

Can I use N60-N65 codes for breast cancer?

No, breast cancer has its own specific codes in the C50.- category.