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ICD-10 C17 - Malignant neoplasm of small intestine
Chapter 2 Section C15-C26

C17

ICD-10 Not billable

Malignant neoplasm of small intestine

Specifically for this code:
  • malignant carcinoid tumors of the small intestine (C7A.01)
From Section C15-C26:
  • Kaposi's sarcoma of gastrointestinal sites (C46.4)
From Chapter 2:
  • 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 (C25.9).
From Section C15-C26:
  • gastrointestinal stromal tumors (C49.A-)
C17 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
C17.0
Malignant neoplasm of duodenum
Billable
10
C17.1
Malignant neoplasm of jejunum
Billable
10
C17.2
Malignant neoplasm of ileum
Billable
10
C17.3
Meckel's diverticulum, malignant
Billable
10
C17.8
Malignant neoplasm of overlapping sites of small intestine
Billable
10
C17.9
Malignant neoplasm of small intestine, unspecified
Billable
      
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