C18.7

Billable

Malignant neoplasm of sigmoid colon

C18.7 is the ICD-10-CM code for Malignant neoplasm of sigmoid colon. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
C00-D49
Parent
C18
Edition
FY2026

C00-D49 Neoplasms

Includes

  • Malignant neoplasm of sigmoid (flexure)

Excludes1 — not coded here

  • malignant neoplasm of rectosigmoid junction (C19)

Frequently asked questions

What is ICD-10 code C18.7?
C18.7 is the ICD-10-CM code for "Malignant neoplasm of sigmoid colon". It falls under C00-D49 Neoplasms.
Is C18.7 a billable code?
Yes — C18.7 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from C18.7?
Excludes1 (not coded here): malignant neoplasm of rectosigmoid junction (C19).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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