Right Breast Cancer ICD-10-CM Codes

Learn which ICD-10 codes you can use for right breast cancer diagnoses and billing.

By Matt Olivares on Aug 8, 2025.

What ICD-10 codes are used for right breast cancer?

ICD-10 codes are used in healthcare to classify and code diseases, symptoms, and procedures. Here are some commonly utilized codes for right breast cancer:

C50.911: Malignant neoplasm of unspecified site of right female breast: This code is used when the specific location of cancer within the right breast isn't identified.
C50.011: Malignant neoplasm of nipple and areola, right female breast: This is the code is applied when the cancer is in the nipple or areolar region.
C50.111: Malignant neoplasm of the central portion of the right female breast: The central portion refers to the area directly behind the nipple.
C50.211: Malignant neoplasm of upper-inner quadrant of right female breast: The breast is divided into four quadrants, and this code applies when cancer is found in the upper inner section.
C50.411: Malignant neoplasm of upper-outer quadrant of right female breast. It's used when the cancer is located in the lower inner quadrant.
C50.511: Malignant neoplasm of lower-outer quadrant of right female breast: When the cancer is localized in the lower outer section of the right breast, this code is applied.

Each of these codes is used to accurately describe the location of cancer within the right breast, which can be crucial for treatment planning and prognosis. Understanding these codes can help healthcare professionals to communicate effectively about each patient's diagnosis and treatment plan.

Moreover, accurate coding is vital for billing purposes. Using the correct ICD-10 code ensures that healthcare providers are reimbursed appropriately. For more information on how these codes are used in medical billing and coding, check out this Right Breast Cancer ICD Codes resource.

Do note that these are all for the right breast. If you're dealing with cases of breast cancer of the left female breast, please use the correct ICD 10 codes for those.

You can also use Z17.0 - Estrogen receptor positive status [ER+], which is used to identify estrogen and factors receptor status. However, this is only when you're also examining estrogen and how it affects breast cancer in a patient.

Which right breast cancer ICD codes are billable?

Here are some commonly used ICD-10 codes for right breast cancer and their billable status:

C50.911 - Malignant neoplasm of unspecified site of the right female breast: Yes, this is a billable code.
C50.011 - Malignant neoplasm of nipple and areola, right female breast: Yes, this is a billable code.
C50.111 - Malignant neoplasm of the central portion of the right female breast: Yes, this is a billable code.
C50.211 - Malignant neoplasm of an upper-inner quadrant of the right female breast: Yes, this is a billable code.
C50.411 - Malignant neoplasm of a lower-inner quadrant of the right female breast: Yes, this is a billable code.
C50.511 - Malignant neoplasm of a lower-outer quadrant of the right female breast: Yes, this is a billable code.

All these codes are billable, meaning they can be used in claims to insurance providers for reimbursement. They represent specific diagnoses that require treatment, making them eligible for billing.

Clinical information

ICD-10 codes categorize diseases and conditions. They provide a uniform language that accurately describes medical, surgical, and diagnostic services, helping in reliable nationwide data collection.
Right breast cancer refers to cancer cells in the right breast. Its severity and treatment options depend on the cancer stage and its location within the breast.
The ICD-10 codes for right breast cancer help specify the cancer's exact location. For instance, C50.011 is used for cancer in the nipple and areola, while C50.211 indicates cancer in the upper-inner quadrant of the right breast.
Breast cancer treatments are medical approaches used to remove, kill, or control the growth of cancer cells in the breast. Common treatments include surgery, chemotherapy, radiation therapy, hormone therapy, and targeted therapy, often used in combination depending on the cancer’s type and stage.
A combination of genetic, hormonal, and environmental factors can cause breast cancer. Common causes include inherited gene mutations, age, family history, hormonal imbalances, and lifestyle factors such as alcohol use, obesity, and lack of physical activity.

Synonyms include

Malignant tumor of the right breast
Right-sided breast cancer
Cancer of the right female breast
Right breast carcinoma
Right mammary cancer
Malignant neoplasm of upper inner quadrant of right female breast
Breast Paget's disease
Malignant neoplasm of breast
Malignant breast disorders
Malignant neoplasm of overlapping sites of right female breast

Popular search terms for right breast cancer ICD codes

Right breast cancer ICD-10 code
ICD-10 right breast cancer
Right breast cancer diagnosis codes
ICD-10 codes for right breast cancer

Commonly asked questions

You should use a right breast cancer ICD code when diagnosing a patient with cancer in the right breast. The specific code used will depend on the precise location of the cancer within the breast.

Yes, they are billable. The ICD-10 codes such as C50.911, C50.011, C50.111, C50.211, C50.411, and C50.511, are all billable codes. These can be used in claims for insurance reimbursement.

The treatments depend on the specific diagnosis, the stage of the cancer, and the patient's overall health. Common treatments may include surgery (lumpectomy, mastectomy), radiation therapy, chemotherapy, hormone therapy, targeted therapy, or a combination.

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