2026 ICD-10-CM Diagnosis Code C50.A
Malignant inflammatory neoplasm of breast
- ICD-10-CM Code:
- C50.A
- ICD-10 Code for:
- Malignant inflammatory neoplasm of breast
- Is Billable?
- Not Valid for Submission
- Code Navigator:
C50.A is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of malignant inflammatory neoplasm of breast. The code is not specific and is NOT valid for the year 2026 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.
The following anatomical sites found in the Table of Neoplasms reference this diagnosis code given the correct histological behavior: Neoplasm, neoplastic breast (connective tissue) (glandular tissue) (soft parts) inflammatory .
Specific Coding Applicable to Malignant inflammatory neoplasm of breast
Non-specific codes like C50.A require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for malignant inflammatory neoplasm of breast:
Tabular List of Diseases and Injuries
The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.
Inclusion Terms
Inclusion TermsThese terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
- Inflammatory breast cancer (IBC)
Table of Neoplasms
This code is referenced in the table of neoplasms by anatomical site. For each site there are six possible code numbers according to whether the neoplasm in question is malignant, benign, in situ, of uncertain behavior, or of unspecified nature. The description of the neoplasm will often indicate which of the six columns is appropriate.
Where such descriptors are not present, the remainder of the Index should be consulted where guidance is given to the appropriate column for each morphological (histological) variety listed. However, the guidance in the Index can be overridden if one of the descriptors mentioned above is present.
| Neoplasm, neoplastic | Malignant Primary |
Malignant Secondary |
CaInSitu | Benign | Uncertain Behavior |
Unspecified Behavior |
|---|---|---|---|---|---|---|
| »Neoplasm, neoplastic »breast (connective tissue) (glandular tissue) (soft parts) »inflammatory | C50.A |
Code History
- FY 2026 - No Change, effective from 10/1/2025 through 9/30/2026
