2024 ICD-10-CM Diagnosis Code C33

Malignant neoplasm of trachea

  • C33 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM C33 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of C33 – other international versions of ICD-10 C33 may differ.

Use Additional

  • code to identify:
  • 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)

The following code(s) above C33 contain annotation back-references

 that may be applicable to C33:

  • C00-D49  Neoplasms
  • C30-C39  Malignant neoplasms of respiratory and intrathoracic organs

Approximate Synonyms

  • Cancer of the trachea
  • Primary malignant neoplasm of trachea

Clinical Information

  • A primary or metastatic malignant neoplasm involving the trachea

ICD-10-CM C33 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 180 Respiratory neoplasms with mcc
  • 181 Respiratory neoplasms with cc
  • 182 Respiratory neoplasms without cc/mcc

Convert C33 to ICD-9-CMCode 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
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to C33: