N60.4Header code — not billable
Mammary duct ectasia
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N60
- Effective date
- October 1, 2026
Related codes in category N60
N60Benign mammary dysplasiaN60.0Solitary cyst of breastN60.01Solitary cyst of right breastYesN60.02Solitary cyst of left breastYesN60.09Solitary cyst of unspecified breastYesN60.1Diffuse cystic mastopathyN60.11Diffuse cystic mastopathy of right breastYesN60.12Diffuse cystic mastopathy of left breastYesN60.19Diffuse cystic mastopathy of unspecified breastYesN60.2Fibroadenosis of breastN60.21Fibroadenosis of right breastYesN60.22Fibroadenosis of left breastYes
Frequently asked questions
What is ICD-10 code N60.4?
N60.4 is an ICD-10-CM diagnosis code for Mammary duct ectasia.
Is N60.4 a billable code?
No. N60.4 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is N60.4 in?
N60.4 falls under Chapter 14: Diseases of the genitourinary system.
When did N60.4 become effective?
N60.4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N60.4?
N60.4 belongs to category N60, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.