C09.9

Billable

Malignant neoplasm of tonsil, unspecified

C09.9 is the ICD-10-CM code for Malignant neoplasm of tonsil, unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
C00-D49
Parent
C09
Edition
FY2026

C00-D49 Neoplasms

Includes

  • Malignant neoplasm of tonsil NOS
  • Malignant neoplasm of faucial tonsils
  • Malignant neoplasm of palatine tonsils

Frequently asked questions

What is ICD-10 code C09.9?
C09.9 is the ICD-10-CM code for "Malignant neoplasm of tonsil, unspecified". It falls under C00-D49 Neoplasms.
Is C09.9 a billable code?
Yes — C09.9 is a billable, specific ICD-10-CM code valid for reimbursement.

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

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