- C22.1 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 C22.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of C22.1 – other international versions of ICD-10 C22.1 may differ.
ICD-10-CM C22.1 is grouped within Diagnostic Related Group(s):
- 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
Applicable To
- Cholangiocarcinoma
Type 1 Excludes
- malignant neoplasm of hepatic duct (C24.0)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
Diagnosis Index entries containing back-references to C22.1:
- bile duct type > Adenocarcinoma
- liver > bile duct type C22.1
- unspecified site > bile duct type C22.1
- bile duct type liver > Cancer
- liver > bile duct C22.0
- unspecified site > bile duct C22.0
- liver > Cholangiocarcinoma
- unspecified site > Cholangiocarcinoma
- bile duct > Cystadenocarcinoma