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ICD-10 D37.05 - Neoplasm of uncertain behavior of pharynx
Chapter 2 Section D37-D48

D37.05

ICD-10 Billable

Neoplasm of uncertain behavior of pharynx

Inclusion terms:
  • Neoplasm of uncertain behavior of aryepiglottic fold of pharynx NOS
  • Neoplasm of uncertain behavior of hypopharyngeal aspect of aryepiglottic fold of pharynx
  • Neoplasm of uncertain behavior of marginal zone of aryepiglottic fold of pharynx
From Section D37-D48:
  • Categories D37-D44, and D48 classify by site neoplasms of uncertain behavior, i.e., histologic confirmation whether the neoplasm is malignant or benign cannot be made.
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 D37-D48:
  • neoplasms of unspecified behavior (D49.-)

235.1

ICD-9 Billable

Neoplasm of uncertain behavior of lip, oral cavity, and pharynx