2017/18 ICD-10-CM Diagnosis Code C09.8

Malignant neoplasm of overlapping sites of tonsil

The following code(s) above C09.8 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to C09.8:
  • C00-D49
    2018 ICD-10-CM Range C00-D49

    Neoplasms

    Note
    • 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).
    Neoplasms
  • C09
    ICD-10-CM Diagnosis Code C09

    Malignant neoplasm of tonsil

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • malignant neoplasm of lingual tonsil (C02.4)
    • malignant neoplasm of pharyngeal tonsil (C11.1)
    Use Additional
    • code to identify:
    • alcohol abuse and dependence (F10.-)
    • exposure to environmental tobacco smoke (Z77.22)
    • exposure to tobacco smoke in the perinatal period (P96.81)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Malignant neoplasm of tonsil
Approximate Synonyms ICD-10-CM C09.8 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert C09.8 to ICD-9-CM

Code History
ICD-10-CM Codes Adjacent To C09.8
C06.89 Malignant neoplasm of overlapping sites of other parts of mouth
C06.9 Malignant neoplasm of mouth, unspecified
C07 Malignant neoplasm of parotid gland
C08 Malignant neoplasm of other and unspecified major salivary glands
C08.0 Malignant neoplasm of submandibular gland
C08.1 Malignant neoplasm of sublingual gland
C08.9 Malignant neoplasm of major salivary gland, unspecified
C09 Malignant neoplasm of tonsil
C09.0 Malignant neoplasm of tonsillar fossa
C09.1 Malignant neoplasm of tonsillar pillar (anterior) (posterior)
C09.8 Malignant neoplasm of overlapping sites of tonsil
C09.9 Malignant neoplasm of tonsil, unspecified
C10 Malignant neoplasm of oropharynx
C10.0 Malignant neoplasm of vallecula
C10.1 Malignant neoplasm of anterior surface of epiglottis
C10.2 Malignant neoplasm of lateral wall of oropharynx
C10.3 Malignant neoplasm of posterior wall of oropharynx
C10.4 Malignant neoplasm of branchial cleft
C10.8 Malignant neoplasm of overlapping sites of oropharynx
C10.9 Malignant neoplasm of oropharynx, unspecified
C11 Malignant neoplasm of nasopharynx

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.