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Home/Diagnosis/ICD-10 Coding for Colon Mass

ICD-10 Coding for Colon Mass

C18.9
D12.6
K63.5

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

Also Known as:
Colonic Mass
Intestinal Mass
Abdominal Mass
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Key Information: ICD-10 Coding for Colon Mass

Essential facts and insights about ICD-10 Coding for Colon Mass

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

clinical:
  • • Biopsy confirms adenocarcinoma
documentation:
  • • Site of tumor not specified

Applicable To

  • • Colon cancer not otherwise specified

Important Notes

  • • Ensure malignancy is confirmed via biopsy before coding.

Benign neoplasm of colon, unspecified

Billable Code
D12.6
Billable

Diagnostic Criteria

clinical:
  • • Histology report confirming benign nature

Applicable To

  • • Colon adenoma not otherwise specified

Important Notes

  • • Ensure benign nature is confirmed via histology.

Polyp of colon

Billable Code
K63.5
Billable

Diagnostic Criteria

clinical:
  • • Endoscopic findings of non-neoplastic polyp

Applicable To

  • • Hyperplastic polyp

Important Notes

  • • Ensure polyp is non-neoplastic before coding.
Ancillary Codes

Additional codes that may be used with this diagnosis

C78.5

Secondary malignant neoplasm of large intestine

Use for metastasis to the colon from another primary site.

Frequently Asked Questions

What is the ICD-10 code for a colon mass?

The ICD-10 code for a malignant colon mass is C18.9, while benign masses are coded as D12.6. Ensure biopsy confirmation for accurate coding.

How do you code a benign colon mass?

Benign colon masses are coded as D12.6. Ensure histology confirms the benign nature before coding.

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