N64.9
BillableDisorder of breast, unspecified
Disorder of breast, unspecified
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •mechanical complication of breast prosthesis and implantT85.4
Related Codes(7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(61)
SNOMED CT
UMLS
- BREAST DISC0006145
- Breast DiseaseC0006145
- Breast DiseasesC0006145
- Breast DisorderC0006145
- Breast diseaseC0006145
- Breast disorderC0006145
- Breast disorder NOSC0006145
- Breast disordersC0006145
- Disease, BreastC0006145
- Diseases, BreastC0006145
- Disorder of breastC0006145
- Disorder of breast (disorder)C0006145
- Disorder of breast, unspecifiedC0006145
- Disorders of breast (N60-N65)C0006145
- MastopathyC0006145
- Unspecified breast disorderC0006145
- breast diseaseC0006145
- breast diseasesC0006145
- breast disorderC0006145
- breast disordersC0006145
- disease of breastC0006145
- diseases of breastC0006145
- diseases of the breastC0006145
- mammary disorderC0006145
- mastopathyC0006145
Clinical Terms
- Breast disorder NOS
- Breast disease
- Breast disorders
- Disorder of breast (disorder)
- Nipple problem
- Breast Diseases
- Problem of chest
- Breast problem
- Disorders of breast (N60-N65)
- Breast disorder
- Diseases, Breast
- disease of breast
- Disorder of nipple
- Problem of thorax
- Unspecified breast disorder
- Nipple abnormality
- diseases of the breast
- diseases of breast
- mammary disorder
- Mastopathy
- Lesion of breast
- Disease, Breast
- Chronic disease of breast
- Abnormal nipple
- BREAST DIS
Frequently Asked Questions
What is the ICD-10 code for disorder of breast, unspecified?
The ICD-10-CM code for disorder of breast, unspecified is N64.9. The full clinical description is "Disorder of breast, unspecified". N64.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code N64.9 mean?
ICD-10-CM code N64.9 represents “Disorder of breast, unspecified”. It is classified under Chapter 14: Diseases of the Genitourinary System and is a billable/specific code that can be used on a claim.
Is N64.9 a billable code?
Yes, N64.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is N64.9 in?
N64.9 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N64.9?
N64.9 has Excludes1 notes indicating codes that cannot be used together with it, including: disorders of breast associated with childbirth (O91-O92).
What SNOMED CT codes does N64.9 map to?
N64.9 maps to 8 SNOMED CT concepts: 700153004, 79604008, 290085007, 128529002, 237460007, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for N64.9?
N64.9 is linked to 1 UMLS Concept Unique Identifier: C0006145. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does N64.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like disorder of breast, unspecified affect a person's functioning: body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of N64.9?
N64.9 maps to the ICD-11 code: GB2Y (Other specified disorders of breast).
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.