D12.1
BillableBenign neoplasm of appendix
Benign neoplasm of appendix
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- benign carcinoid tumor of the appendix (D3A.020)
Excludes 2
Conditions not included here, but the patient may have both
- benign carcinoid tumors of the large intestine and rectum (D3A.02-)
- •polyp of colon NOSK63.5
Related Codes(9)
D12.0Benign neoplasm of cecum
D12.2Benign neoplasm of ascending colon
D12.3Benign neoplasm of transverse colon
D12.4Benign neoplasm of descending colon
D12.5Benign neoplasm of sigmoid colon
D12.6Benign neoplasm of colon, unspecified
D12.7Benign neoplasm of rectosigmoid junction
D12.8Benign neoplasm of rectum
D12.9Benign neoplasm of anus and anal canal
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(38)
SNOMED CT
- Benign neoplasm of appendix91981009
- Benign tumor of appendix91981009
- Benign tumour of appendix91981009
- Tubular adenoma444408007
- Leiomyoma of appendix1196825006
- Leiomyoma of large intestine1196826007
- Benign mesenchymoma of large intestine1196827003
- Benign mesenchymoma of appendix1196830005
- Benign epithelial neoplasm of appendix1196896001
- Benign tubular adenoma of large intestine1197339007
- Benign tubular adenoma of appendix1197341008
- Adenomatous polyp of appendix1303692005
UMLS
- Benign Appendix NeoplasmC0496860
- Benign Appendix TumorC0496860
- Benign Neoplasm of AppendixC0496860
- Benign Neoplasm of the AppendixC0496860
- Benign Tumor of AppendixC0496860
- Benign Tumor of the AppendixC0496860
- Benign neoplasm of appendixC0496860
- Benign neoplasm of appendix (disorder)C0496860
- Benign tumor of appendixC0496860
- Benign tumour of appendixC0496860
Clinical Terms
- Benign Appendix Tumor
- Benign Neoplasm of the Appendix
- Benign Tumor of the Appendix
- Benign Tumor of Appendix
- Tubular adenoma
- Benign epithelial neoplasm of appendix
- Benign tumour of appendix
- Benign Appendix Neoplasm
- Leiomyoma of large intestine
- Benign tubular adenoma of appendix
- Benign neoplasm of appendix (disorder)
- Leiomyoma of appendix
- Benign mesenchymoma of large intestine
- Benign tubular adenoma of large intestine
- Benign mesenchymoma of appendix
- Adenomatous polyp of appendix
Frequently Asked Questions
What is the ICD-10 code for benign neoplasm of appendix?
The ICD-10-CM code for benign neoplasm of appendix is D12.1. The full clinical description is "Benign neoplasm of appendix". D12.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code D12.1 mean?
ICD-10-CM code D12.1 represents “Benign neoplasm of appendix”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is D12.1 a billable code?
Yes, D12.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is D12.1 in?
D12.1 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with D12.1?
D12.1 has Excludes1 notes indicating codes that cannot be used together with it, including: benign carcinoid tumor of the appendix (D3A.020).
What SNOMED CT codes does D12.1 map to?
D12.1 maps to 10 SNOMED CT concepts: 1303692005, 1196896001, 1196830005, 1196827003, 91981009, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for D12.1?
D12.1 is linked to 1 UMLS Concept Unique Identifier: C0496860. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does D12.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like benign neoplasm of appendix affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of D12.1?
D12.1 maps to the ICD-11 code: 2E92.4Y (Other specified benign neoplasm of the large intestine).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.