N60.1
Diffuse cystic mastopathy
N60.1 is a non-billable ICD-10-CM code header for diffuse cystic mastopathy. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N60.11 Diffuse cystic mastopathy of right breast, N60.12 Diffuse cystic mastopathy of left breast and N60.19 Diffuse cystic mastopathy of unspecified breast. Its coding notes include 2 Excludes1 entries and 8 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
- diffuse cystic mastopathy with epithelial proliferation (N60.3-)
Also from chapter/block level (1 note)
- disorders of breast associated with childbirth (O91-O92)
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (8 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Includes
Further defines or gives examples of the content of the category.
- fibrocystic mastopathy
Inclusion terms
Conditions classified to this code.
- Cystic breast
- Fibrocystic disease of breast
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 1 entry