Is D12.1 a billable ICD-10 code?

Yes. D12.1 (Benign neoplasm of appendix) is billable and can be used for insurance claims. Always verify payer-specific requirements.

D12.1 ✓ Billable

Benign neoplasm of appendix

Q: What is ICD-10 code D12.1?

ICD-10-CM code D12.1 stands for "Benign neoplasm of appendix". It is a billable code in the Neoplasms chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Neoplasms

Code

D12.1

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 D12.1?

ICD-10-CM code D12.1 represents Benign neoplasm of appendix. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.

Is D12.1 billable?

Yes. D12.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is D12.1 in?

D12.1 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.

Related codes in the D12 category

D12 Benign neoplasm of colon, rectum, anus and anal canal Non-billable D12.0 Benign neoplasm of cecum Billable D12.2 Benign neoplasm of ascending colon Billable D12.3 Benign neoplasm of transverse colon Billable D12.4 Benign neoplasm of descending colon Billable D12.5 Benign neoplasm of sigmoid colon Billable D12.6 Benign neoplasm of colon, unspecified Billable D12.7 Benign neoplasm of rectosigmoid junction Billable

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