2023

  1. ICD-10-CM Codes
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  2. C00-D49
    3. ›
  3. C00-C14
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  4. C00-
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  5. 2023 ICD-10-CM Diagnosis Code C00.6

2023 ICD-10-CM Diagnosis Code C00.6

Malignant neoplasm of commissure of lip, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • C00.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM C00.6 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of C00.6 - other international versions of ICD-10 C00.6 may differ.
The following code(s) above C00.6 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 C00.6:
  • C00-D49
    2023 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
  • C00
    ICD-10-CM Diagnosis Code C00

    Malignant neoplasm of lip

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • malignant melanoma of lip (C43.0)
    • Merkel cell carcinoma of lip (C4A.0)
    • other and unspecified malignant neoplasm of skin of lip (C44.0-)
    Use Additional
    • code to identify:
    • alcohol abuse and dependence (F10.-)
    • history of tobacco dependence (Z87.891)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Malignant neoplasm of lip
Approximate Synonyms
  • Cancer, lip commissure
  • Primary malignant neoplasm of commissure of lip
  • Primary squamous cell carcinoma of commissure of lip
  • Squamous cell carcinoma, commissure of lip
ICD-10-CM C00.6 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 146 Ear, nose, mouth and throat malignancy with mcc
  • 147 Ear, nose, mouth and throat malignancy with cc
  • 148 Ear, nose, mouth and throat malignancy without cc/mcc

Convert C00.6 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To C00.6
B99 Other and unspecified infectious diseases
B99.8 Other infectious disease
B99.9 Unspecified infectious disease
C00 Malignant neoplasm of lip
C00.0 Malignant neoplasm of external upper lip
C00.1 Malignant neoplasm of external lower lip
C00.2 Malignant neoplasm of external lip, unspecified
C00.3 Malignant neoplasm of upper lip, inner aspect
C00.4 Malignant neoplasm of lower lip, inner aspect
C00.5 Malignant neoplasm of lip, unspecified, inner aspect
C00.6 Malignant neoplasm of commissure of lip, unspecified
C00.8 Malignant neoplasm of overlapping sites of lip
C00.9 Malignant neoplasm of lip, unspecified
C01 Malignant neoplasm of base of tongue
C02 Malignant neoplasm of other and unspecified parts of tongue
C02.0 Malignant neoplasm of dorsal surface of tongue
C02.1 Malignant neoplasm of border of tongue
C02.2 Malignant neoplasm of ventral surface of tongue
C02.3 Malignant neoplasm of anterior two-thirds of tongue, part unspecified
C02.4 Malignant neoplasm of lingual tonsil
C02.8 Malignant neoplasm of overlapping sites of tongue

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

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