N63.4
Non-billableUnspecified lump in breast, subareolar
Unspecified lump in breast, subareolar
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)
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
Child Codes (2)
Related Codes(4)
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for unspecified lump in breast, subareolar?
The ICD-10-CM code for unspecified lump in breast, subareolar is N63.4. The full clinical description is "Unspecified lump in breast, subareolar". N63.4 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code N63.4 mean?
ICD-10-CM code N63.4 represents “Unspecified lump in breast, subareolar”. It is classified under Chapter 14: Diseases of the Genitourinary System and is a non-billable header code. Use a more specific child code for billing purposes.
Is N63.4 a billable code?
No, N63.4 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 2 child codes under N63.4.
What chapter is N63.4 in?
N63.4 is in Chapter 14: Diseases of the Genitourinary System (codes N00-N99).
What codes cannot be used with N63.4?
N63.4 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 N63.4?
N63.4 has 2 child codes, including: N63.41 (Unspecified lump in right breast, subareolar), N63.42 (Unspecified lump in left breast, subareolar).
What are the UMLS CUIs for N63.4?
N63.4 is linked to 1 UMLS Concept Unique Identifier: C4509374. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does N63.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like unspecified lump in breast, subareolar 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 N63.4?
There is no direct ICD-11 mapping available for N63.4 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.
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.