AutoICD API

C45.1

Billable

Mesothelioma of peritoneum

Mesothelioma of peritoneum

Status

Billable / Specific

Block

C45-C49

Parent Code

C45

ICD-11 Mapping

1 equivalent

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 mapping

Corresponding ICD-11 codes from the WHO crosswalk mapping

Also Known As / Clinical Terms(104)

SNOMED CT

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.