2024 ICD-10-CM Diagnosis Code C23

Malignant neoplasm of gallbladder

  • C23 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 C23 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of C23 – other international versions of ICD-10 C23 may differ.

The following code(s) above C23 contain annotation back-references

 that may be applicable to C23:

  • C00-D49  Neoplasms
  • C15-C26  Malignant neoplasms of digestive organs

Approximate Synonyms

  • Cancer of the gallbladder
  • Cancer of the gallbladder, adenocarcinoma
  • Primary adenocarcinoma of gallbladder
  • Primary malignant neoplasm of gallbladder

Clinical Information

  • A primary or metastatic malignant neoplasm that affects the gallbladder. Representative examples include carcinoma, lymphoma, melanoma, and sarcoma.
  • Primary or metastatic malignant neoplasm of the gallbladder.

ICD-10-CM C23 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 435 Malignancy of hepatobiliary system or pancreas with mcc
  • 436 Malignancy of hepatobiliary system or pancreas with cc
  • 437 Malignancy of hepatobiliary system or pancreas without cc/mcc

Convert C23 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