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Home/Diagnosis/ICD-10 Coding for Metastatic Cholangiocarcinoma

ICD-10 Coding for Metastatic Cholangiocarcinoma

C22.1
C78.7

Complete ICD-10-CM coding and documentation guide for icd-10 coding for metastatic cholangiocarcinoma includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Bile Duct Cancer with Metastasis
Secondary Cholangiocarcinoma
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Key Information: ICD-10 Coding for Metastatic Cholangiocarcinoma

Essential facts and insights about ICD-10 Coding for Metastatic Cholangiocarcinoma

Use ICD-10 code C22.1 for intrahepatic cholangiocarcinoma, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Intrahepatic cholangiocarcinoma

Billable Code
C22.1
Billable

Diagnostic Criteria

  • • Confirmed intrahepatic origin via imaging and biopsy.

Applicable To

  • • Intrahepatic bile duct carcinoma

Important Notes

  • • Ensure anatomical specificity in documentation to avoid misclassification.

Secondary malignant neoplasm of liver

Billable Code
C78.7
Billable

Diagnostic Criteria

  • • Imaging showing liver lesions
  • • Biopsy confirming metastatic origin

Applicable To

  • • Liver metastasis

Important Notes

  • • Sequence as primary when the focus of treatment is on the metastasis.
Ancillary Codes

Additional codes that may be used with this diagnosis

R18.0

Malignant ascites

Use when ascites is present as a complication.

Frequently Asked Questions

What is the ICD-10 code for metastatic cholangiocarcinoma?

The ICD-10 code for metastatic cholangiocarcinoma primarily involves C22.1 for intrahepatic origin and C78.7 for liver metastasis.

How do you code metastatic cholangiocarcinoma?

Code the primary site (e.g., C22.1 for intrahepatic) and the metastatic site (e.g., C78.7 for liver) based on clinical documentation.

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