D12.1
Billable

Benign neoplasm of appendix

Billable / Specific Code

What is Benign neoplasm of appendix?

ICD-10-CM D12.1 is the diagnosis code for Benign neoplasm of appendix. This code falls under the section "Benign neoplasms, except benign neuroendocrine tumors" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for D12.1

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as D12.1. They are mutually exclusive:

  • benign carcinoid tumor of the appendix (D3A.020)

ICD-10-CM Code Hierarchy

Understanding where D12.1 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is D12.1 a billable ICD-10-CM code?

Yes, D12.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does D12.1 mean?

D12.1 is the ICD-10-CM diagnosis code for "Benign neoplasm of appendix". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of D12.1?

The parent code of D12.1 is D12 ("Benign neoplasm of colon, rectum, anus and anal canal"). D12.1 provides a more specific classification within this category.

What section is D12.1 in?

D12.1 is located in Section D10-D36 — "Benign neoplasms, except benign neuroendocrine tumors" within Chapter 2 of the ICD-10-CM Tabular List.

When should I use D12.1?

Use D12.1 when the patients documented diagnosis matches "Benign neoplasm of appendix" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Benign neoplasm of appendix?

The ICD-10-CM code for Benign neoplasm of appendix is D12.1.

Can D12.1 be used for primary diagnosis?

Yes, D12.1 can be used as a primary diagnosis code since it is billable and specific.

What chapter is D12.1 in?

D12.1 is in Chapter 2 of the ICD-10-CM Tabular List.

What conditions are excluded from D12.1?

Type 1 Excludes for D12.1 include: benign carcinoid tumor of the appendix (D3A.020).

Is D12.1 valid for 2026?

Yes, D12.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousD12.0Benign neoplasm of cecumNext →D12.2Benign neoplasm of ascending colon
Code Details
D12.1
Benign neoplasm of appendix
Billable / Specific Code
2 — Neoplasms (C00-D49)
D10-D36 — Benign neoplasms, except benign neuroendocrine tumors
2026 ICD-10-CM