C18.9
BillableMalignant neoplasm of colon, unspecified
Malignant neoplasm of colon, unspecified
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Malignant neoplasm of large intestine NOS
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- Kaposi's sarcoma of gastrointestinal sites (C46.4)
- malignant carcinoid tumors of the colon (C7A.02-)
Excludes 2
Conditions not included here, but the patient may have both
- gastrointestinal stromal tumors (C49.A-)
Also Known As / Clinical Terms
UMLS
- Colonic CancersC0007102
- Colonic cancerC0007102
- COLON CANCERC0007102
- Cancer of ColonC0007102
- Cancer of colonC0007102
- Cancer of the ColonC0007102
- Cancer, ColonC0007102
- Cancer, ColonicC0007102
- Cancers, ColonC0007102
- Cancers, ColonicC0007102
- Colon CancerC0007102
- Colon CancersC0007102
- Colon Neoplasm, MalignantC0007102
- Colon Tumor, MalignantC0007102
- Colon cancerC0007102
- Colon cancer NOSC0007102
- Colonic CancerC0007102
- Colonic cancer NOSC0007102
- Malignant Colon NeoplasmC0007102
- Malignant Colon TumorC0007102
- Malignant Colonic NeoplasmC0007102
- Malignant Colonic TumorC0007102
- Malignant Neoplasm of ColonC0007102
- Malignant Neoplasm of the ColonC0007102
- Malignant Tumor of ColonC0007102
- Malignant Tumor of the ColonC0007102
- Malignant neoplasm of colonC0007102
- Malignant neoplasm of colon (disorder)C0007102
- Malignant neoplasm of colon, unspecifiedC0007102
- Malignant tumor of colonC0007102
- Malignant tumour of colonC0007102
- ca colonC0007102
- cancer colonicC0007102
- cancer colonsC0007102
- cancer of colonC0007102
- cancer of the colonC0007102
- colon caC0007102
- colon cancerC0007102
- colon cancersC0007102
- colonic cancerC0007102
- malignant colon neoplasmC0007102
- malignant neoplasm of colonC0007102
- of cancer colonC0007102
- of the colon cancerC0007102
- Cancer of large bowelC0346629
- Cancer of large intestineC0346629
- Colorectal neoplasms malignantC0346629
- Malignant Colorectal NeoplasmC0346629
- Malignant Colorectal TumorC0346629
- Malignant Large Bowel NeoplasmC0346629
- Malignant Large Bowel TumorC0346629
- Malignant Large Intestine NeoplasmC0346629
- Malignant Large Intestine TumorC0346629
- Malignant Neoplasm of Large BowelC0346629
- Malignant Neoplasm of Large IntestineC0346629
- Malignant Neoplasm of the Large BowelC0346629
- Malignant Neoplasm of the Large IntestineC0346629
- Malignant Tumor of Large BowelC0346629
- Malignant Tumor of Large IntestineC0346629
- Malignant Tumor of the Large BowelC0346629
- Malignant Tumor of the Large IntestineC0346629
- Malignant large intestinal neoplasm NOSC0346629
- Malignant neoplasm of large intestineC0346629
- Malignant neoplasm of large intestine (disorder)C0346629
- Malignant neoplasm of large intestine NOSC0346629
- Malignant tumor of large intestineC0346629
- Malignant tumour of large intestineC0346629
- cancer intestine largeC0346629
- cancer intestines largeC0346629
- cancer of large intestineC0346629
- large bowel cancerC0346629
- large intestine cancerC0346629
- of large bowel cancerC0346629
SNOMED CT
- Primary malignant neoplasm of colon93761005
- Primary malignant neoplasm of large intestine93854002
- Carcinoma of colon269533000
- Local recurrence of malignant neoplasm of colon314965007
- Local recurrence of malignant tumor of colon314965007
- Local recurrence of malignant tumour of colon314965007
- HNPCC - hereditary nonpolyposis colon cancer315058005
- HNPCC - hereditary nonpolyposis colorectal cancer315058005
- Hereditary nonpolyposis colon cancer315058005
- Cancer of colon363406005
- Malignant neoplasm of colon363406005
- Malignant tumor of colon363406005
- Malignant tumour of colon363406005
- Cancer of large bowel363510005
- Cancer of large intestine363510005
- Malignant neoplasm of large intestine363510005
- Malignant tumor of large intestine363510005
- Malignant tumour of large intestine363510005
- Adenocarcinoma of large intestine408645001
- Cancer of colon, stage 3422375001
- Carcinoma of colon, stage III422375001
- Colon cancer, stage 3422375001
- Cancer of the colon, stage 2422581008
- Carcinoma of colon, stage II422581008
- Colon cancer, stage 2422581008
- Carcinoma of colon, stage IV422985007
- Colon cancer stage 4422985007
- Carcinoma of colon, stage I425213009
- Colon cancer stage 1425213009
- Squamous cell carcinoma of colon766981007
- Leiomyosarcoma of colon1156788007
- Primary malignant mesenchymal neoplasm of colon1197354001
- Primary sarcoma of colon1197354001
- FCCTX - familial colorectal cancer type X1197359006
- Familial colorectal cancer type X1197359006
- Primary carcinoma of colon1259436003
- Primary squamous cell carcinoma of colon1268635000
- Lymphoma of colon133751000119102
- Malignant bleeding tumor of large bowel46811000087102
- Malignant bleeding tumour of large bowel46811000087102
- Malignant neoplasm of large intestine with haemorrhage46811000087102
- Malignant neoplasm of large intestine with hemorrhage46811000087102
- Primary adenocarcinoma of colon1701000119104
Frequently Asked Questions
What is ICD-10 code C18.9?
ICD-10-CM code C18.9 represents "Malignant neoplasm of colon, unspecified". It is a billable/specific code that can be used on a claim.
Is C18.9 a billable code?
Yes, C18.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is C18.9 in?
C18.9 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C18.9?
C18.9 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-).
What SNOMED CT codes does C18.9 map to?
C18.9 maps to 21 SNOMED CT concepts: 408645001, 363406005, 422375001, 363510005, 422581008, and 16 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for C18.9?
C18.9 is linked to 2 UMLS Concept Unique Identifiers: C0007102, C0346629. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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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.