N64
Non-billableOther disorders of breast
Other disorders of breast
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- disorders of breast associated with childbirth (O91-O92)
Excludes 2
Conditions not included here, but the patient may have both
- 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)
- mechanical complication of breast prosthesis and implant (T85.4-)
Child Codes (8)
N64.0Fissure and fistula of nipple
N64.1Fat necrosis of breast
N64.2Atrophy of breast
N64.3Galactorrhea not associated with childbirth
N64.4Mastodynia
N64.5Other signs and symptoms in breast
N64.8Other specified disorders of breast
N64.9Disorder of breast, unspecified
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code N64?
ICD-10-CM code N64 represents "Other disorders of breast". It is a non-billable header code — use a more specific child code for billing purposes.
Is N64 a billable code?
No, N64 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 8 child codes under N64.
What chapter is N64 in?
N64 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N64?
N64 has Excludes1 notes indicating codes that cannot be used together with it, including: disorders of breast associated with childbirth (O91-O92).
What are the subcategories under N64?
N64 has 8 child codes, including: N64.0 (Fissure and fistula of nipple), N64.1 (Fat necrosis of breast), N64.2 (Atrophy of breast), N64.3 (Galactorrhea not associated with childbirth), and 4 more.
What are the UMLS CUIs for N64?
N64 is linked to 1 UMLS Concept Unique Identifier: C0156320. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.