Full Answer
Malignant neoplasm of ectopic tissue
The distinction between primary bone cancer and metastatic bone cancer is that primary bone cancers begin in the bone and metastatic bone cancers occur when the bone is invaded by a cancer from another organ, such as the breast or lung.
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This may make patients worry that their cancer will spread while waiting for results, which can sometimes take two to four weeks. Outcomes, or how a person does with the disease, are what is most important.
If the documentation states the cancer is a metastatic cancer, but does not state the site of the metastasis, the coder will assign a code for the primary cancer, followed by code C79.9 secondary malignant neoplasm of unspecified site.
If the site of the primary cancer is not documented, the coder will assign a code for the metastasis first, followed by C80.1 malignant (primary) neoplasm, unspecified. For example, if the patient was being treated for metastatic bone cancer, but the primary malignancy site is not documented, assign C79.51, C80.1.
When a current cancer is no longer receiving treatment of any kind, it is coded as a history code. For instance, the patient had breast cancer (C50.xx) and underwent a mastectomy, followed by chemoradiation. The provider documents that the patient has no evidence of disease (NED).
When coding malignant neoplasms, there are several coding guidelines we must follow:#N#To properly code a malign ant neoplasm, the coder must first determine from the documentation if the neoplasm is a primary malignancy or a metastatic (secondary) malignancy stemming from a primary cancer.
A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere.
Thyroid cancer metastatic to bone. Clinical Information. Cancer that has spread from the original (primary) tumor to the bone. The spread of a malignant neoplasm from a primary site to the skeletal system. The majority of metastatic neoplasms to the bone are carcinomas.
The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes. Primary malignant neoplasms overlapping site boundaries.
secondary carcinoid tumors ( C 7B.-) secondary neuroendocrine tumors ( C7B.-) Cancer that has spread from the original (primary) tumor to the bone.
secondary carcinoid tumors ( C7B.-) secondary neuroendocrine tumors ( C7B.-) Cancer that has spread from the original (primary) tumor to the bone. The spread of a malignant neoplasm from a primary site to the skeletal system.
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Metastatic breast cancer is when a cancer begins in the breasts and spread to other parts of the body. This happens because cancer cells break away and enter the blood stream, allowing the cancer to spread. Breast cancer most commonly spreads to the bones but can spread to any part of the body.