C45.1
BillableMesothelioma of peritoneum
Mesothelioma of peritoneum
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Mesothelioma of cul-de-sac
- Mesothelioma of mesentery
- Mesothelioma of mesocolon
- Mesothelioma of omentum
- Mesothelioma of peritoneum (parietal) (pelvic)
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Related Codes(4)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(104)
SNOMED CT
- Primary malignant neoplasm of parietal peritoneum93947009
- Primary malignant neoplasm of pelvic peritoneum93952004
- Primary malignant neoplasm of omentum94090003
- Overlapping malignant neoplasm of retroperitoneum and peritoneum109851002
- Cancer of the peritoneum, mesothelioma109853004
- Malignant mesothelioma of peritoneum109853004
- Malignant mesothelioma of parietal peritoneum109854005
- Malignant mesothelioma of pelvic peritoneum109855006
- Malignant mesothelioma of mesentery109856007
- Malignant mesothelioma of omentum109858008
- Neoplasm of the mesocolon126870000
- Neoplasm of omentum126871001
- Neoplasm of the omentum126871001
- Malignant neoplasm of peritoneum and retroperitoneum187801002
- Malignant neoplasm of retroperitoneum and peritoneum187801002
- Malignant tumor of peritoneum and retroperitoneum187801002
- Malignant tumour of peritoneum and retroperitoneum187801002
- Malignant neoplasm of mesocolon187809000
- Neoplasm of peritoneum and retroperitoneum236019001
- Tumor of peritoneum and retroperitoneum236019001
- Tumour of peritoneum and retroperitoneum236019001
- CA - Cancer of omentum363421004
- Cancer of omentum363421004
- Malignant neoplasm of omentum363421004
- Primary malignant neoplasm of the mesentery372015000
- Primary mesothelioma of overlapping sites of retroperitoneum, peritoneum and omentum722677008
- Primary mesothelioma overlapping lesion of retroperitoneum peritoneum and omentum722677008
- Primary malignant mesothelioma of pelvic peritoneum1259717007
- Primary malignant mesothelioma of mesentery1259718002
- Primary malignant mesothelioma of omentum1259719005
- Primary malignant mesothelioma of parietal peritoneum1259788009
- Primary malignant mesothelioma of peritoneum1268712008
- Malignant mesothelioma of mesocolon227481000119105
UMLS
- Cancer of the peritoneum, mesotheliomaC0346109
- Malignant Mesothelioma of PeritoneumC0346109
- Malignant Mesothelioma of the PeritoneumC0346109
- Malignant Peritoneal MesotheliomaC0346109
- Malignant mesothelioma of peritoneumC0346109
- Malignant mesothelioma of peritoneum (disorder)C0346109
- Mesothelioma of peritoneumC0346109
- Peritoneal Malignant MesotheliomaC0346109
- Peritoneal mesotheliomaC0346109
- Peritoneal mesothelioma malignantC0346109
- mesothelioma of peritoneumC0346109
- mesothelioma peritoneumC0346109
- Malignant mesothelioma of mesenteryC1263718
- Malignant mesothelioma of mesentery (disorder)C1263718
- Mesothelioma of mesenteryC1263718
- Malignant mesothelioma of mesocolonC3714724
- Malignant mesothelioma of mesocolon (disorder)C3714724
- Mesothelioma of mesocolonC3714724
- Malignant mesothelioma of omentumC1263720
- Malignant mesothelioma of omentum (disorder)C1263720
- Mesothelioma of omentumC1263720
- Mesothelioma of cul-de-sacC2838020
- Mesothelioma of peritoneum (parietal) (pelvic)C2838021
Clinical Terms
- Peritoneal mesothelioma malignant
- Malignant mesothelioma of peritoneum
- Neoplasm of omentum
- Tumour of peritoneum and retroperitoneum
- Mesothelioma of mesentery
- Cancer of the peritoneum, mesothelioma
- Malignant neoplasm of omentum
- Malignant mesothelioma of peritoneum (disorder)
- Neoplasm of peritoneum and retroperitoneum
- Mesothelioma of omentum
- Mesothelioma of peritoneum (parietal) (pelvic)
- Primary malignant mesothelioma of mesentery
- Malignant mesothelioma of parietal peritoneum
- Malignant neoplasm of mesocolon
- Primary malignant mesothelioma of peritoneum
- Neoplasm of the mesocolon
- Primary malignant mesothelioma of pelvic peritoneum
- CA - Cancer of omentum
- Malignant mesothelioma of pelvic peritoneum
- Mesothelioma of mesocolon
- Mesothelioma of cul-de-sac
- Malignant mesothelioma of mesocolon (disorder)
- mesothelioma peritoneum
- Malignant Peritoneal Mesothelioma
- Primary malignant mesothelioma of omentum
- Malignant mesothelioma of mesocolon
- Primary malignant neoplasm of the mesentery
- Malignant tumour of peritoneum and retroperitoneum
- Tumor of peritoneum and retroperitoneum
- Peritoneal Malignant Mesothelioma
- Primary malignant neoplasm of omentum
- Primary malignant neoplasm of pelvic peritoneum
- Malignant neoplasm of peritoneum and retroperitoneum
- Malignant mesothelioma of omentum (disorder)
- Malignant mesothelioma of mesentery
- Malignant mesothelioma of omentum
- Malignant Mesothelioma of the Peritoneum
- Neoplasm of the omentum
- Malignant neoplasm of retroperitoneum and peritoneum
- Overlapping malignant neoplasm of retroperitoneum and peritoneum
- Malignant mesothelioma of mesentery (disorder)
- Peritoneal mesothelioma
- Primary malignant mesothelioma of parietal peritoneum
- Cancer of omentum
- Primary malignant neoplasm of parietal peritoneum
- Malignant tumor of peritoneum and retroperitoneum
- Primary mesothelioma of overlapping sites of retroperitoneum, peritoneum and omentum
- Primary mesothelioma overlapping lesion of retroperitoneum peritoneum and omentum
Frequently Asked Questions
What is the ICD-10 code for mesothelioma of peritoneum?
The ICD-10-CM code for mesothelioma of peritoneum is C45.1. The full clinical description is "Mesothelioma of peritoneum". C45.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C45.1 mean?
ICD-10-CM code C45.1 represents “Mesothelioma of peritoneum”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C45.1 a billable code?
Yes, C45.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C45.1 in?
C45.1 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C45.1?
C45.1 has Excludes1 notes indicating codes that cannot be used together with it, including: other malignant neoplasm of soft tissue of peritoneum (C48.-).
What SNOMED CT codes does C45.1 map to?
C45.1 maps to 23 SNOMED CT concepts: 363421004, 109853004, 109856007, 227481000119105, 109858008, and 18 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C45.1?
C45.1 is linked to 6 UMLS Concept Unique Identifiers: C0346109, C1263718, C3714724, C1263720, C2838020, and 1 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C45.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like mesothelioma of peritoneum 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 C45.1?
C45.1 maps to the ICD-11 code: 2C51.2Z (Mesotheliomas of peritoneum, site 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.