N60: Benign mammary dysplasia
Codes under N60 (Benign mammary dysplasia). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| N60.0 | Solitary cyst of breast | — |
| N60.0 | Solitary cyst of breast | — |
| N60.01 | Solitary cyst of right breast | ✓ |
| N60.01 | Solitary cyst of right breast | ✓ |
| N60.1 | Diffuse cystic mastopathy | — |
| N60.1 | Diffuse cystic mastopathy | — |
| N60.02 | Solitary cyst of left breast | ✓ |
| N60.02 | Solitary cyst of left breast | ✓ |
| N60.2 | Fibroadenosis of breast | — |
| N60.2 | Fibroadenosis of breast | — |
| N60.3 | Fibrosclerosis of breast | — |
| N60.3 | Fibrosclerosis of breast | — |
| N60.4 | Mammary duct ectasia | — |
| N60.4 | Mammary duct ectasia | — |
| N60.8 | Other benign mammary dysplasias | — |
| N60.8 | Other benign mammary dysplasias | — |
| N60.09 | Solitary cyst of unspecified breast | ✓ |
| N60.09 | Solitary cyst of unspecified breast | ✓ |
| N60.9 | Unspecified benign mammary dysplasia | — |
| N60.9 | Unspecified benign mammary dysplasia | — |
| N60.11 | Diffuse cystic mastopathy of right breast | ✓ |
| N60.11 | Diffuse cystic mastopathy of right breast | ✓ |
| N60.12 | Diffuse cystic mastopathy of left breast | ✓ |
| N60.12 | Diffuse cystic mastopathy of left breast | ✓ |
| N60.19 | Diffuse cystic mastopathy of unspecified breast | ✓ |
| N60.19 | Diffuse cystic mastopathy of unspecified breast | ✓ |
| N60.21 | Fibroadenosis of right breast | ✓ |
| N60.21 | Fibroadenosis of right breast | ✓ |
| N60.22 | Fibroadenosis of left breast | ✓ |
| N60.22 | Fibroadenosis of left breast | ✓ |
| N60.29 | Fibroadenosis of unspecified breast | ✓ |
| N60.29 | Fibroadenosis of unspecified breast | ✓ |
| N60.31 | Fibrosclerosis of right breast | ✓ |
| N60.31 | Fibrosclerosis of right breast | ✓ |
| N60.32 | Fibrosclerosis of left breast | ✓ |
| N60.32 | Fibrosclerosis of left breast | ✓ |
| N60.39 | Fibrosclerosis of unspecified breast | ✓ |
| N60.39 | Fibrosclerosis of unspecified breast | ✓ |
| N60.41 | Mammary duct ectasia of right breast | ✓ |
| N60.41 | Mammary duct ectasia of right breast | ✓ |
| N60.42 | Mammary duct ectasia of left breast | ✓ |
| N60.42 | Mammary duct ectasia of left breast | ✓ |
| N60.49 | Mammary duct ectasia of unspecified breast | ✓ |
| N60.49 | Mammary duct ectasia of unspecified breast | ✓ |
| N60.81 | Other benign mammary dysplasias of right breast | ✓ |
| N60.81 | Other benign mammary dysplasias of right breast | ✓ |
| N60.82 | Other benign mammary dysplasias of left breast | ✓ |
| N60.82 | Other benign mammary dysplasias of left breast | ✓ |
| N60.89 | Other benign mammary dysplasias of unspecified breast | ✓ |
| N60.89 | Other benign mammary dysplasias of unspecified breast | ✓ |
| N60.91 | Unspecified benign mammary dysplasia of right breast | ✓ |
| N60.91 | Unspecified benign mammary dysplasia of right breast | ✓ |
| N60.92 | Unspecified benign mammary dysplasia of left breast | ✓ |
| N60.92 | Unspecified benign mammary dysplasia of left breast | ✓ |
| N60.99 | Unspecified benign mammary dysplasia of unspecified breast | ✓ |
| N60.99 | Unspecified benign mammary dysplasia of unspecified breast | ✓ |
Frequently asked questions
What is ICD-10-CM code N60?
N60 is an ICD-10-CM category covering Benign mammary dysplasia. It contains 56 more specific diagnosis codes, 42 of which are billable.
Is N60 a billable code?
No — N60 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example N60.0 — Solitary cyst of breast). 42 of the 56 codes under N60 are billable.
What codes fall under N60?
N60 includes N60.0, N60.0, N60.01, N60.01, N60.1, plus 51 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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