ICD-10-CM Section C45-C49
Malignant neoplasms of mesothelial and soft tissue
- C45 Mesothelioma NON-BILLABLE
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- BILLABLE C45.0 Mesothelioma of pleura
- BILLABLE C45.1 Mesothelioma of peritoneum
- BILLABLE C45.2 Mesothelioma of pericardium
- BILLABLE C45.7 Mesothelioma of other sites
- BILLABLE C45.9 Mesothelioma, unspecified
- C46 Kaposi's sarcoma NON-BILLABLE
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- BILLABLE C46.0 Kaposi's sarcoma of skin
- BILLABLE C46.1 Kaposi's sarcoma of soft tissue
- BILLABLE C46.2 Kaposi's sarcoma of palate
- BILLABLE C46.3 Kaposi's sarcoma of lymph nodes
- BILLABLE C46.4 Kaposi's sarcoma of gastrointestinal sites
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- C46.50 Kaposi's sarcoma of unspecified lung BILLABLE
- C46.51 Kaposi's sarcoma of right lung BILLABLE
- C46.52 Kaposi's sarcoma of left lung BILLABLE
- BILLABLE C46.7 Kaposi's sarcoma of other sites
- BILLABLE C46.9 Kaposi's sarcoma, unspecified
- C47 Malignant neoplasm of peripheral nerves and autonomic nervous system NON-BILLABLE
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- BILLABLE C47.0 Malignant neoplasm of peripheral nerves of head, face and neck
- BILLABLE C47.3 Malignant neoplasm of peripheral nerves of thorax
- BILLABLE C47.4 Malignant neoplasm of peripheral nerves of abdomen
- BILLABLE C47.5 Malignant neoplasm of peripheral nerves of pelvis
- BILLABLE C47.6 Malignant neoplasm of peripheral nerves of trunk, unspecified
- BILLABLE C47.8 Malignant neoplasm of overlapping sites of peripheral nerves and autonomic nervous system
- BILLABLE C47.9 Malignant neoplasm of peripheral nerves and autonomic nervous system, unspecified
- C49 Malignant neoplasm of other connective and soft tissue NON-BILLABLE
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- BILLABLE C49.0 Malignant neoplasm of connective and soft tissue of head, face and neck
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- C49.10 Malignant neoplasm of connective and soft tissue of unspecified upper limb, including shoulder BILLABLE
- C49.11 Malignant neoplasm of connective and soft tissue of right upper limb, including shoulder BILLABLE
- C49.12 Malignant neoplasm of connective and soft tissue of left upper limb, including shoulder BILLABLE
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- C49.20 Malignant neoplasm of connective and soft tissue of unspecified lower limb, including hip BILLABLE
- C49.21 Malignant neoplasm of connective and soft tissue of right lower limb, including hip BILLABLE
- C49.22 Malignant neoplasm of connective and soft tissue of left lower limb, including hip BILLABLE
- BILLABLE C49.3 Malignant neoplasm of connective and soft tissue of thorax
- BILLABLE C49.4 Malignant neoplasm of connective and soft tissue of abdomen
- BILLABLE C49.5 Malignant neoplasm of connective and soft tissue of pelvis
- BILLABLE C49.6 Malignant neoplasm of connective and soft tissue of trunk, unspecified
- BILLABLE C49.8 Malignant neoplasm of overlapping sites of connective and soft tissue
- BILLABLE C49.9 Malignant neoplasm of connective and soft tissue, unspecified
Coding Notes for Section C45-C49
- Section Notes:
- Functional activity
- All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
- Morphology [Histology]
- Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. 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
- 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. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
- Malignant neoplasm of ectopic tissue
- Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified code C25.9.