D12.9
✓ BillableBenign neoplasm of anus and anal canal
Neoplasms (C00-D49)
Also Known As
❌ Excludes1
directThese codes are mutually exclusive. Never code them together.
- • benign neoplasm of anal margin (D22.5, D23.5)
- • benign neoplasm of anal skin (D22.5, D23.5)
- • benign neoplasm of perianal skin (D22.5, D23.5)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • benign carcinoid tumors of the large intestine and rectum (D3A.02-)
- • polyp of colon NOS (K63.5)
Clinical Description
ICD-10-CM code D12.9 represents benign neoplasm of anus and anal canal. This code falls under the Neoplasms (C00-D49) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that D12.9 has 3 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code D12.9?
ICD-10-CM code D12.9 is "Benign neoplasm of anus and anal canal". It belongs to the category: Neoplasms (C00-D49).
Is D12.9 a billable ICD-10 code?
Yes, D12.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with D12.9?
D12.9 has 3 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can D12.9 be coded with other codes?
D12.9 has 2 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in D12
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)