N64 ICD-10-CA category: Other disorders of breast
N64 isn’t a code on its own. Choose one of the 8 codes beneath it, the one the documentation supports.
Official description
N64Other disorders of breast
ICD-10-CA · Canada
Codes in N64
N64 isn’t a code on its own. Open the code that matches what the note documents.
Notes for N64
As CIHI prints them, with any note N64 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Disorders of breast associated with childbirth (O91-O92)From N60-N64 Disorders of breast
- Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)
Where N64 sits
- 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
- 2Block N60-N64Disorders of breast
- 3Category N64Other disorders of breast
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is N64 a valid ICD-10-CA code?
No. N64 (Other disorders of breast) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 8 codes; record the one the documentation supports.
Where is N64 in ICD-10-CA?
N64 sits under N60-N64 Disorders of breast, within Chapter 14: Diseases of the genitourinary system (N00-N99).
What coding notes apply to N64?
ICD-10-CA lists Excludes notes for N64, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.