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Home/Diagnosis/ICD-10 Coding for Gastrointestinal Cancer

ICD-10 Coding for Gastrointestinal Cancer

C18.9
C16.9

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

Also Known as:
GI Cancer
Digestive System Cancer
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Key Information: ICD-10 Coding for Gastrointestinal Cancer

Essential facts and insights about ICD-10 Coding for Gastrointestinal 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

clinical:
  • • Histological confirmation of malignancy
documentation:
  • • Detailed pathology report specifying adenocarcinoma

Applicable To

  • • Colon cancer

Important Notes

  • • Ensure documentation specifies the malignancy type and location within the colon.

Malignant neoplasm of stomach, unspecified

Billable Code
C16.9
Billable

Diagnostic Criteria

clinical:
  • • Endoscopic biopsy confirming gastric adenocarcinoma
  • • CT scan showing gastric mass

Applicable To

  • • Stomach cancer

Important Notes

  • • Document the specific location and type of gastric cancer for accurate coding.
Ancillary Codes

Additional codes that may be used with this diagnosis

K63.5

Polyp of colon

Use when polyps are present alongside a malignant neoplasm.

R10.11

Right upper quadrant pain

Use when pain is a presenting symptom of gastric cancer.

Frequently Asked Questions

What is the ICD-10 code for GI cancer?

The ICD-10 code for unspecified malignant neoplasm of the digestive system is C26.9. Specific codes depend on the exact location, such as C18.9 for colon cancer.

How do you code a history of GI cancer?

Use Z85.x series codes to indicate a personal history of malignant neoplasm of the digestive organs, ensuring active treatment is not ongoing.

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