AutoICD API

C79.81

Billable

Secondary malignant neoplasm of breast

Secondary malignant neoplasm of breast

Status

Billable / Specific

Block

C76-C80

Parent Code

C79.8

Coding Notes

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

  • secondary carcinoid tumors (C7B.-)
  • secondary neuroendocrine tumors (C7B.-)
Related Codes(2)
C79.82

Secondary malignant neoplasm of genital organs

BillableC79.89

Secondary malignant neoplasm of other specified sites

Billable
Also Known As / Clinical Terms(161)

SNOMED CT

UMLS

Clinical Terms

  • Metastatic malignant neoplasm to areola
  • Metastatic carcinoma of bone, connective tissue, skin and breast
  • Metastatic Neoplasm to the Breast
  • Secondary carcinoma of lower outer quadrant of breast
  • Metastatic malignant neoplasm to left breast
  • Secondary malignant neoplasm of right breast
  • Metastatic malignant neoplasm to both breasts
  • Metastatic malignant neoplasm to ectopic site of breast
  • Secondary carcinoma of upper outer quadrant of breast
  • Metastatic carcinoma to upper inner quadrant of breast
  • Secondary malignant neoplasm of both breasts
  • Metastatic Tumor to the Breast
  • Metastatic malignant neoplasm of right breast
  • Bilateral metastatic malignant neoplasm to breasts
  • metastases breast
  • Metastatic malignant neoplasm to right breast
  • Metastatic carcinoma to lower inner quadrant of breast
  • Metastatic malignant neoplasm to nipple
  • Metastatic carcinoma to upper outer quadrant of breast
  • Metastatic scirrhous carcinoma to breast
  • Metastatic carcinoma of lower inner quadrant of breast
  • Neoplasm of areola
  • Metastases to breast
  • Metastatic infiltrating duct carcinoma to breast
  • Breast Metastases
  • Metastatic malignant neoplasm to breast
  • Metastatic malignant neoplasm to upper inner quadrant of breast
  • Metastatic metaplastic carcinoma of breast
  • metastasis breast
  • Adenocarcinoma of breast
  • Malignant neoplasm of areola
  • Secondary carcinoma of bone, connective tissue, skin and breast
  • Secondary carcinoma of lower inner quadrant of breast
  • Malignant neoplasm of nipple
  • Scirrhous carcinoma of breast
  • Metastatic carcinoma of breast
  • Metastatic carcinoma of axillary tail of breast
  • Metaplastic carcinoma of breast
  • Metastatic carcinoma to bone, connective tissue, skin and breast
  • Secondary malignant neoplasm of left breast
  • Metastatic malignant neoplasm of breast
  • Metastatic malignant neoplasm to lower outer quadrant of breast
  • Secondary carcinoma of upper inner quadrant of breast
  • Secondary carcinoma of axillary tail of breast
  • Metastatic infiltrating duct carcinoma of breast
  • Metastatic carcinoma to breast
  • Metastatic carcinoma to axillary tail of breast
  • Metastatic malignant neoplasm of both breasts
  • Metastatic malignant neoplasm to axillary tail of breast
  • Metastatic malignant neoplasm to central portion of breast
  • Metastatic malignant neoplasm to upper outer quadrant of breast
  • Breast Metastasis
  • Metastatic scirrhous carcinoma of breast
  • Metastatic carcinoma of upper inner quadrant of breast
  • Secondary infiltrating duct carcinoma of breast
  • Metastatic carcinoma of upper outer quadrant of breast
  • Metastatic malignant neoplasm to bilateral breasts
  • Metastatic Cancer to the Breast
  • Metastatic carcinoma to lower outer quadrant of breast
  • Secondary scirrhous carcinoma of breast
  • Metastatic malignant neoplasm of left breast
  • Metastatic Malignant Neoplasm to the Breast
  • Metastatic Malignant Neoplasm in the Breast
  • Metastatic malignant neoplasm to breast (disorder)
  • Neoplasm of ectopic site of breast
  • Malignant neoplasm of ectopic site of breast
  • Metastatic metaplastic carcinoma to breast
  • Metastatic malignant neoplasm of axillary tail of breast
  • Secondary malignant neoplasm of axillary tail of breast
  • Bilateral secondary malignant neoplasm of breasts
  • Secondary metaplastic carcinoma of breast
  • Metastatic malignant neoplasm of bilateral breasts
  • Malignant neoplasm of bone, connective tissue, skin and breast
  • Secondary carcinoma of breast
  • Metastatic malignant neoplasm to lower inner quadrant of breast
  • Metastatic carcinoma of lower outer quadrant of breast
  • Secondary malignant neoplasm of bilateral breasts
Frequently Asked Questions
What is the ICD-10 code for secondary malignant neoplasm of breast?

The ICD-10-CM code for secondary malignant neoplasm of breast is C79.81. The full clinical description is "Secondary malignant neoplasm of breast". C79.81 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C79.81 mean?

ICD-10-CM code C79.81 represents “Secondary malignant neoplasm of breast”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C79.81 a billable code?

Yes, C79.81 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C79.81 in?

C79.81 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C79.81?

C79.81 has Excludes1 notes indicating codes that cannot be used together with it, including: secondary carcinoid tumors (C7B.-); secondary neuroendocrine tumors (C7B.-).

What SNOMED CT codes does C79.81 map to?

C79.81 maps to 32 SNOMED CT concepts: 865954003, 12246641000119104, 1306309009, 271467005, 1306294005, and 27 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C79.81?

C79.81 is linked to 1 UMLS Concept Unique Identifier: C5441655. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C79.81 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like secondary malignant neoplasm of breast 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 C79.81?

There is no direct ICD-11 mapping available for C79.81 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.

Try FreeView API Docs

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.