DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

N60 Benign mammary dysplasia

  • Header · not billable

N60 is not billable. The category heads 21 billable codes in FY2027, grouped under 7 subdivisions.

Index → code

  • Fibroadenosis, breast (chronic) (cystic) (diffuse) (periodic) (segmental) → N60.2-
  • Fibrosclerosisbreast → N60.3-
  • Ectasia, ectasismammary duct → N60.4-

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N60-N65 Disorders of breast (N60-N65)
  3. N60 Benign mammary dysplasia
Billable codes
21
Subdivisions
7
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
11

Codes in N60

  1. N60.0
    Solitary cyst of breast
    Header
    Inclusion terms 1

    Inclusion terms

    • Cyst of breast
  2. N60.01
    Solitary cyst of right breast
    Billable
  3. N60.02
    Solitary cyst of left breast
    Billable
  4. N60.09
    Solitary cyst of unspecified breast
    Billable
  5. N60.1
    Diffuse cystic mastopathy
    Header
    Inclusion terms 2, Excludes1 1

    Inclusion terms

    • Cystic breast
    • Fibrocystic disease of breast

    Excludes1

    • diffuse cystic mastopathy with epithelial proliferation (N60.3-) N60.3
  6. N60.11
    Diffuse cystic mastopathy of right breast
    Billable
  7. N60.12
    Diffuse cystic mastopathy of left breast
    Billable
  8. N60.19
    Diffuse cystic mastopathy of unspecified breast
    Billable
  9. N60.2
    Fibroadenosis of breast
    Header
    Inclusion terms 1, Excludes2 1

    Inclusion terms

    • Adenofibrosis of breast

    Excludes2

    • fibroadenoma of breast (D24.-) D24
  10. N60.21
    Fibroadenosis of right breast
    Billable
  11. N60.22
    Fibroadenosis of left breast
    Billable
  12. N60.29
    Fibroadenosis of unspecified breast
    Billable
  13. N60.3
    Fibrosclerosis of breast
    Header
    Inclusion terms 1

    Inclusion terms

    • Cystic mastopathy with epithelial proliferation
  14. N60.31
    Fibrosclerosis of right breast
    Billable
  15. N60.32
    Fibrosclerosis of left breast
    Billable
  16. N60.39
    Fibrosclerosis of unspecified breast
    Billable
  17. N60.4
    Mammary duct ectasia
    Header
  18. N60.41
    Mammary duct ectasia of right breast
    Billable
  19. N60.42
    Mammary duct ectasia of left breast
    Billable
  20. N60.49
    Mammary duct ectasia of unspecified breast
    Billable
  21. N60.8
    Other benign mammary dysplasias
    Header
  22. N60.81
    Other benign mammary dysplasias of right breast
    Billable
  23. N60.82
    Other benign mammary dysplasias of left breast
    Billable
  24. N60.89
    Other benign mammary dysplasias of unspecified breast
    Billable
  25. N60.9
    Unspecified benign mammary dysplasia
    Header
  26. N60.91
    Unspecified benign mammary dysplasia of right breast
    Billable
  27. N60.92
    Unspecified benign mammary dysplasia of left breast
    Billable
  28. N60.99
    Unspecified benign mammary dysplasia of unspecified breast
    Billable

Sources of each column.

Instructions

At N60

Includes

  • fibrocystic mastopathy

Notes that also apply

Block N60-N65 instructions (Excludes1 1): printed on the block page.

Chapter 14 instructions (Excludes2 8): printed on the chapter 14 page.

Index entries

  • Fibroadenosis, breast (chronic) (cystic) (diffuse) (periodic) (segmental) → N60.2-
  • Cyst (colloid) (mucous) (simple) (retention)breast (benign) (blue dome) (pedunculated) (solitary) → N60.0-
  • Mastopathy, mastopathiacystic (chronic) (diffuse) → N60.1-
  • Fibrosclerosisbreast → N60.3-
  • Ectasia, ectasismammary duct → N60.4-
  • Dysplasiamammary (gland) (benign) → N60.9-
  • Mastopathy, mastopathiacystic (chronic) (diffuse)with epithelial proliferation → N60.3-
  • Dysplasiamammary (gland) (benign)specified type NEC → N60.8-
  • Hyperplasia, hyperplasticbreastatypical, atypia → N60.9-
  • Hyperplasia, hyperplasticbreastatypical, atypiaductal → N60.9-
  • Hyperplasia, hyperplasticbreastatypical, atypialobular → N60.9-

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy