ICD-10-CM · Chapter 14 · N00-N99
N60 Benign mammary dysplasia
Includes
- fibrocystic mastopathy
Subcodes
Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.
| Code | Description | Billable |
|---|---|---|
| N60..0 | Solitary cyst of breast | No |
| N60..01 | Solitary cyst of right breast | Yes |
| N60..02 | Solitary cyst of left breast | Yes |
| N60..09 | Solitary cyst of unspecified breast | Yes |
| N60..1 | Diffuse cystic mastopathy | No |
| N60..11 | Diffuse cystic mastopathy of right breast | Yes |
| N60..12 | Diffuse cystic mastopathy of left breast | Yes |
| N60..19 | Diffuse cystic mastopathy of unspecified breast | Yes |
| N60..2 | Fibroadenosis of breast | No |
| N60..21 | Fibroadenosis of right breast | Yes |
| N60..22 | Fibroadenosis of left breast | Yes |
| N60..29 | Fibroadenosis of unspecified breast | Yes |
| N60..3 | Fibrosclerosis of breast | No |
| N60..31 | Fibrosclerosis of right breast | Yes |
| N60..32 | Fibrosclerosis of left breast | Yes |
| N60..39 | Fibrosclerosis of unspecified breast | Yes |
| N60..4 | Mammary duct ectasia | No |
| N60..41 | Mammary duct ectasia of right breast | Yes |
| N60..42 | Mammary duct ectasia of left breast | Yes |
| N60..49 | Mammary duct ectasia of unspecified breast | Yes |
| N60..8 | Other benign mammary dysplasias | No |
| N60..81 | Other benign mammary dysplasias of right breast | Yes |
| N60..82 | Other benign mammary dysplasias of left breast | Yes |
| N60..89 | Other benign mammary dysplasias of unspecified breast | Yes |
| N60..9 | Unspecified benign mammary dysplasia | No |
| N60..91 | Unspecified benign mammary dysplasia of right breast | Yes |
| N60..92 | Unspecified benign mammary dysplasia of left breast | Yes |
| N60..99 | Unspecified benign mammary dysplasia of unspecified breast | Yes |
Last reviewed: September 2026