C18.7
BillableMalignant neoplasm of sigmoid colon
Malignant neoplasm of sigmoid colon
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Malignant neoplasm of sigmoid (flexure)
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- •Kaposi's sarcoma of gastrointestinal sitesC46.4
- malignant carcinoid tumors of the colon (C7A.02-)
- •malignant neoplasm of rectosigmoid junctionC19
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(9)
C18.0Malignant neoplasm of cecum
C18.1Malignant neoplasm of appendix
C18.2Malignant neoplasm of ascending colon
C18.3Malignant neoplasm of hepatic flexure
C18.4Malignant neoplasm of transverse colon
C18.5Malignant neoplasm of splenic flexure
C18.6Malignant neoplasm of descending colon
C18.8Malignant neoplasm of overlapping sites of colon
C18.9Malignant neoplasm of colon, unspecified
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(55)
SNOMED CT
- Primary malignant neoplasm of sigmoid colon94006002
- Carcinoma of sigmoid colon285312008
- Adenocarcinoma of sigmoid colon301756000
- Malignant neoplasm of sigmoid colon363410008
- Malignant tumor of sigmoid colon363410008
- Malignant tumour of sigmoid colon363410008
- Sigmoid colon cancer363410008
- Lymphoma of sigmoid colon449218003
- Primary carcinoma of sigmoid colon1259432001
- Primary carcinoma of colon1259436003
- Lymphoma of colon133751000119102
UMLS
- Cancer of SigmoidC0153436
- Cancer of the SigmoidC0153436
- Cancer, SigmoidC0153436
- Cancer, Sigmoid ColonC0153436
- Colon Cancer, SigmoidC0153436
- Malignant Neoplasm of Sigmoid ColonC0153436
- Malignant Sigmoid Colon NeoplasmC0153436
- Malignant neoplasm of sigmoid colonC0153436
- Malignant neoplasm of sigmoid colon (disorder)C0153436
- Malignant tumor of sigmoid colonC0153436
- Malignant tumour of sigmoid colonC0153436
- Sigmoid CancerC0153436
- Sigmoid Colon CancerC0153436
- Sigmoid colon cancerC0153436
- Sigmoidal CancerC0153436
- cancer colon sigmoidC0153436
- cancer sigmoidC0153436
- cancer sigmoid colonC0153436
- sigmoid cancerC0153436
- sigmoid colon cancerC0153436
- Malignant neoplasm of sigmoid (flexure)C0864870
Clinical Terms
- Sigmoid Colon Cancer
- Malignant neoplasm of sigmoid colon (disorder)
- cancer sigmoid colon
- cancer colon sigmoid
- Adenocarcinoma of sigmoid colon
- Primary carcinoma of sigmoid colon
- Primary malignant neoplasm of sigmoid colon
- Cancer of the Sigmoid
- sigmoid cancer
- Lymphoma of colon
- Sigmoidal Cancer
- Cancer, Sigmoid Colon
- cancer sigmoid
- Lymphoma of sigmoid colon
- Carcinoma of sigmoid colon
- Cancer, Sigmoid
- Cancer of Sigmoid
- Colon Cancer, Sigmoid
- Primary carcinoma of colon
- Malignant neoplasm of sigmoid (flexure)
- Malignant tumor of sigmoid colon
- Malignant Sigmoid Colon Neoplasm
- Malignant tumour of sigmoid colon
Frequently Asked Questions
What is the ICD-10 code for malignant neoplasm of sigmoid colon?
The ICD-10-CM code for malignant neoplasm of sigmoid colon is C18.7. The full clinical description is "Malignant neoplasm of sigmoid colon". C18.7 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code C18.7 mean?
ICD-10-CM code C18.7 represents “Malignant neoplasm of sigmoid colon”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.
Is C18.7 a billable code?
Yes, C18.7 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C18.7 in?
C18.7 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C18.7?
C18.7 has Excludes1 notes indicating codes that cannot be used together with it, including: Kaposi's sarcoma of gastrointestinal sites (C46.4); malignant carcinoid tumors of the colon (C7A.02-); malignant neoplasm of rectosigmoid junction (C19).
What SNOMED CT codes does C18.7 map to?
C18.7 maps to 8 SNOMED CT concepts: 301756000, 285312008, 133751000119102, 449218003, 363410008, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C18.7?
C18.7 is linked to 2 UMLS Concept Unique Identifiers: C0153436, C0864870. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C18.7 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of sigmoid colon 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 C18.7?
C18.7 maps to the ICD-11 code: 2B90.3Z (Malignant neoplasm of sigmoid colon, 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.