Unspecified type of carcinoma in situ of unspecified breast refers to a malignant neoplasm confined to the breast tissue without invasion into surrounding structures. This condition is clinically significant as it may indicate an early stage of breast cancer, necessitating prompt diagnosis and treatment. The ICD-10 Code D05.90 facilitates accurate documentation, billing, and public health reporting, ensuring that healthcare providers can track and manage breast cancer effectively.
ICD-10 Code D05.90 represents an unspecified type of carcinoma in situ of the breast, indicating the presence of abnormal cells that have not invaded surrounding breast tissue. This code is used in clinical documentation and billing when a definitive diagnosis of the specific type of carcinoma is not established, yet the presence of carcinoma in situ is confirmed.
Unspecified type of carcinoma in situ of unspecified breast is characterized by the presence of malignant cells within the breast ducts or lobules without invasion into surrounding tissues. This condition requires medical attention due to its potential progression to invasive breast cancer if left untreated.
ICD-10 Code D05.90 is utilized in SOAP notes to document the diagnosis of carcinoma in situ of the breast. It plays a crucial role in capturing patient symptoms, assessment findings, and treatment plans, ensuring comprehensive care in both acute and chronic settings.
In SOAP notes, ICD-10 Code D05.90 connects subjective patient reports and objective clinical findings to a formal diagnosis of carcinoma in situ. This code is essential for ensuring continuity of care, supporting accurate billing, and meeting EHR documentation standards.
The management of unspecified type of carcinoma in situ of the breast often requires a multidisciplinary approach, including surgical and medical interventions.


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Learn moreICD-10 Code D05.90 is critical in medical billing, particularly in hospital and outpatient settings for breast cancer care.
| CPT Code | Description |
|---|---|
| 19120 | Biopsy of breast, needle core, percutaneous. |
| 19301 | Mastectomy, total, for malignancy. |
| 19302 | Mastectomy, modified radical, for malignancy. |
Common Questions About Using ICD-10 Code D05.90 for Unspecified type of carcinoma in situ of unspecified breast
What does carcinoma in situ mean?
Carcinoma in situ refers to a group of abnormal cells that are confined to the location where they originated and have not invaded surrounding tissues. It is considered an early stage of cancer.
How is carcinoma in situ diagnosed?
Carcinoma in situ is typically diagnosed through imaging studies such as mammograms and confirmed with a biopsy, which examines the tissue for abnormal cells.
What are the treatment options for carcinoma in situ?
Treatment options may include surgical removal of the affected tissue, radiation therapy, and in some cases, hormone therapy, depending on the specific characteristics of the carcinoma.
Is carcinoma in situ considered cancer?
Yes, carcinoma in situ is classified as a type of cancer, but it is non-invasive, meaning it has not spread beyond the original site.
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