C50.42 ICD-10-CM Code: Malignant neoplasm of upper-outer quadrant of breast, male
C50.42 isn’t billable on its own. Choose one of the 3 billable codes beneath it, the one the documentation supports.
Official description
C50.42Malignant neoplasm of upper-outer quadrant of breast, male
ICD-10-CM diagnosis code · United States clinical modification
Billable codes under C50.42
C50.42 can’t be reported on its own. Choose the code below that matches what the note documents.
Where C50.42 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of breast (C50)
- 3
Category C50
Malignant neoplasm of breast
- 4
Subcategory C50.4
Malignant neoplasm of upper-outer quadrant of breast
- 5
Code C50.42
Malignant neoplasm of upper-outer quadrant of breast, male
Notes for this code
Inclusion terms
No inclusion terms are listed for C50.42.
Code first
No “code first” instruction is listed for C50.42.
Use additional code
No “use additional code” instruction is listed for C50.42.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C50.42.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C50.42.
Source and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Frequently asked questions
What does ICD-10-CM code C50.42 mean?
C50.42 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of upper-outer quadrant of breast, male.”
Is C50.42 a billable or specific ICD-10-CM code?
No. C50.42 has 3 billable codes beneath it in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.
Where is C50.42 located in ICD-10-CM?
C50.42 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of breast (C50) (C50–C50), under category C50, Malignant neoplasm of breast and subcategory C50.4, Malignant neoplasm of upper-outer quadrant of breast.
What coding notes are listed for C50.42?
No inclusion terms are listed for C50.42 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.