Is C06.89 a billable ICD-10 code?

Yes. C06.89 (Malignant neoplasm of overlapping sites of other parts of mouth) is billable and can be used for insurance claims. Always verify payer-specific requirements.

C06.89 ✓ Billable

Malignant neoplasm of overlapping sites of other parts of mouth

Q: What is ICD-10 code C06.89?

ICD-10-CM code C06.89 stands for "Malignant neoplasm of overlapping sites of other parts of mouth". It is a billable code in the Neoplasms chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Neoplasms

Code

C06.89

System

ICD-10-CM

Billable

Yes — valid for submission

Effective

FY2026

Chapter

Neoplasms

Source

CMS / CDC NCHS

⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.

Frequently asked questions

What is ICD-10 code C06.89?

ICD-10-CM code C06.89 represents Malignant neoplasm of overlapping sites of other parts of mouth. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.

Is C06.89 billable?

Yes. C06.89 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is C06.89 in?

C06.89 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.

Related codes in the C06 category

C06 Malignant neoplasm of other and unspecified parts of mouth Non-billable C06.0 Malignant neoplasm of cheek mucosa Billable C06.1 Malignant neoplasm of vestibule of mouth Billable C06.2 Malignant neoplasm of retromolar area Billable C06.8 Malignant neoplasm of overlapping sites of other and unspecified parts of mouth Non-billable C06.9 Malignant neoplasm of mouth, unspecified Billable C06.80 Malignant neoplasm of overlapping sites of unspecified parts of mouth Billable

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