C50.412 ICD-10-CM Code: Malignant neoplasm of upper-outer quadrant of left female breast
C50.412 is the billable ICD-10-CM code for “Malignant neoplasm of upper-outer quadrant of left female breast” in the FY 2027 U.S. code set, effective Oct 1, 2026.
Official description
C50.412Malignant neoplasm of upper-outer quadrant of left female breast
ICD-10-CM diagnosis code · United States clinical modification
Coding tips for C50.412
The same condition on the other side
This code carries the side. Use the one the note supports; codes for an unspecified side should rarely be used.
Where C50.412 sits
- 1
Chapter 2
Neoplasms (C00-D49)
- 2
Section
Malignant neoplasms of breast (C50)
- 3
Category C50
Malignant neoplasm of breast
- 4
Subcategory C50.41
Malignant neoplasm of upper-outer quadrant of breast, female
- 5
Code C50.412
Malignant neoplasm of upper-outer quadrant of left female breast
Notes for this code
Inclusion terms
No inclusion terms are listed for C50.412.
Code first
No “code first” instruction is listed for C50.412.
Use additional code
No “use additional code” instruction is listed for C50.412.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for C50.412.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for C50.412.
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 C50.412 mean?
C50.412 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of upper-outer quadrant of left female breast.”
Is C50.412 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, C50.412 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is C50.412 located in ICD-10-CM?
C50.412 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 C50.41, Malignant neoplasm of upper-outer quadrant of breast, female.
What coding notes are listed for C50.412?
No inclusion terms are listed for C50.412 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.