C16.4
BillableMalignant neoplasm of pylorus
Malignant neoplasm of pylorus
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Malignant neoplasm of prepylorus
- Malignant neoplasm of pyloric canal
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •gastrointestinal stromal tumorsA-)C49
- malignant carcinoid tumor of the stomach (C7A.092)
Use Additional Code
Additional codes that should follow this code
- code to identify:
- •alcohol abuse and dependenceF10
Related Codes(8)
C16.0Malignant neoplasm of cardia
C16.1Malignant neoplasm of fundus of stomach
C16.2Malignant neoplasm of body of stomach
C16.3Malignant neoplasm of pyloric antrum
C16.5Malignant neoplasm of lesser curvature of stomach, unsp
C16.6Malignant neoplasm of greater curvature of stomach, unsp
C16.8Malignant neoplasm of overlapping sites of stomach
C16.9Malignant neoplasm of stomach, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(37)
SNOMED CT
- Primary malignant neoplasm of pylorus93977003
- Malignant neoplasm of pylorus187736009
- Malignant neoplasm of pylorus of stomach187736009
- Malignant tumor of pylorus187736009
- Malignant tumour of pylorus187736009
- Malignant neoplasm of pyloric canal of stomach187738005
- Carcinoma of pylorus254561006
- Lymphoma of pylorus of stomach447656001
- Leiomyosarcoma of stomach447785000
- Primary adenocarcinoma of pyloric antrum of stomach721632008
- Leiomyosarcoma of pylorus of stomach1144303008
- Primary carcinoma of pylorus1259354000
- Primary adenocarcinoma of pylorus681941000119107
UMLS
- Malignant Pylorus NeoplasmC0153418
- Malignant neoplasm of prepylorusC0153418
- Malignant neoplasm of pyloric canalC0153418
- Malignant neoplasm of pylorusC0153418
- Malignant neoplasm of pylorus of stomachC0153418
- Malignant neoplasm of pylorus of stomach (disorder)C0153418
- Malignant tumor of pylorusC0153418
- Malignant tumour of pylorusC0153418
Clinical Terms
- Primary malignant neoplasm of pylorus
- Malignant neoplasm of prepylorus
- Malignant neoplasm of pylorus of stomach
- Malignant tumor of pylorus
- Primary adenocarcinoma of pyloric antrum of stomach
- Malignant Pylorus Neoplasm
- Malignant neoplasm of pyloric canal
- Malignant neoplasm of pylorus of stomach (disorder)
- Primary carcinoma of pylorus
- Primary adenocarcinoma of pylorus
- Carcinoma of pylorus
- Malignant neoplasm of pyloric canal of stomach
- Lymphoma of pylorus of stomach
- Leiomyosarcoma of pylorus of stomach
- Leiomyosarcoma of stomach
- Malignant tumour of pylorus
Frequently Asked Questions
What is the ICD-10 code for malignant neoplasm of pylorus?
The ICD-10-CM code for malignant neoplasm of pylorus is C16.4. The full clinical description is "Malignant neoplasm of pylorus". C16.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C16.4 mean?
ICD-10-CM code C16.4 represents “Malignant neoplasm of pylorus”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C16.4 a billable code?
Yes, C16.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C16.4 in?
C16.4 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C16.4?
C16.4 has Excludes1 notes indicating codes that cannot be used together with it, including: Kaposi's sarcoma of gastrointestinal sites (C46.4).
Are additional codes required with C16.4?
Yes, when using C16.4, also report: ; alcohol abuse and dependence (F10.-).
What SNOMED CT codes does C16.4 map to?
C16.4 maps to 10 SNOMED CT concepts: 254561006, 1144303008, 447785000, 447656001, 187738005, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C16.4?
C16.4 is linked to 1 UMLS Concept Unique Identifier: C0153418. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C16.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of pylorus 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 C16.4?
C16.4 maps to the ICD-11 code: 2B72.Z (Malignant neoplasms of stomach, unspecified).
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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.