C50.5
Non-billableMalignant neoplasm of lower-outer quadrant of breast
Malignant neoplasm of lower-outer quadrant of breast
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- connective tissue of breast
- Paget's disease of breast
- Paget's disease of nipple
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Use Additional Code
Additional codes that should follow this code
- code to identify estrogen, and other hormones and factors receptor status (Z17.-)
Child Codes (2)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code C50.5?
ICD-10-CM code C50.5 represents "Malignant neoplasm of lower-outer quadrant of breast". It is a non-billable header code — use a more specific child code for billing purposes.
Is C50.5 a billable code?
No, C50.5 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 C50.5.
What chapter is C50.5 in?
C50.5 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C50.5?
C50.5 has Excludes1 notes indicating codes that cannot be used together with it, including: skin of breast (C44.501, C44.511, C44.521, C44.591).
What are the subcategories under C50.5?
C50.5 has 2 child codes, including: C50.51 (Malignant neoplasm of lower-outer quadrant of breast, female), C50.52 (Malignant neoplasm of lower-outer quadrant of breast, male).
Are additional codes required with C50.5?
Yes, when using C50.5 you should also code: code to identify estrogen, and other hormones and factors receptor status (Z17.-).
What are the UMLS CUIs for C50.5?
C50.5 is linked to 1 UMLS Concept Unique Identifier: C0496811. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.