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Home/Diagnosis/ICD-10 Coding for Metastatic Colon Cancer

ICD-10 Coding for Metastatic Colon Cancer

C18.9
C78.7

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

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

Essential facts and insights about ICD-10 Coding for Metastatic Colon Cancer

Use ICD-10 code C18.9 for malignant neoplasm of colon, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Malignant neoplasm of colon, unspecified

Billable Code
C18.9
Billable

Diagnostic Criteria

  • • Document the specific site within the colon if known.

Applicable To

  • • Colon cancer not otherwise specified

Important Notes

  • • Ensure documentation specifies whether the colon cancer is primary or secondary.

Secondary malignant neoplasm of liver and intrahepatic bile duct

Billable Code
C78.7
Billable

Diagnostic Criteria

    Applicable To

    • • Liver metastasis from colon cancer

    Important Notes

    • • Sequence this code first if treatment is directed at the liver metastasis.
    Ancillary Codes

    Additional codes that may be used with this diagnosis

    Z51.11

    Encounter for antineoplastic chemotherapy

    Use when chemotherapy is the primary reason for the encounter.

    D64.81

    Anemia due to malignancy

    Use when anemia is a documented complication.

    Frequently Asked Questions

    What is the ICD-10 code for metastatic colon cancer?

    The ICD-10 code for metastatic colon cancer includes C18.9 for the primary site and C78.7 for liver metastasis.

    How do you code colon cancer with liver metastasis?

    Code C18.9 for the primary colon cancer and C78.7 for liver metastasis, ensuring documentation supports both.

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