C66
Non-billableMalignant neoplasm of ureter
Malignant neoplasm of ureter
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Child Codes (3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(34)
UMLS
- Cancer of UreterC0153619
- Cancer of the UreterC0153619
- Cancer of ureterC0153619
- Cancer, UreteralC0153619
- Cancers, UreteralC0153619
- Malignant Neoplasm of UreterC0153619
- Malignant Neoplasm of the UreterC0153619
- Malignant Tumor of UreterC0153619
- Malignant Tumor of the UreterC0153619
- Malignant Ureter NeoplasmC0153619
- Malignant Ureter TumorC0153619
- Malignant Ureteral NeoplasmC0153619
- Malignant Ureteral TumorC0153619
- Malignant neoplasm of ureterC0153619
- Malignant neoplasm of ureter (disorder)C0153619
- Malignant tumor of ureterC0153619
- Malignant tumour of ureterC0153619
- URETER, CANCER OFC0153619
- Ureter CancerC0153619
- Ureter CancersC0153619
- Ureter cancerC0153619
- Ureter, Cancer OfC0153619
- Ureteral CancerC0153619
- Ureteral CancersC0153619
- Ureteral cancerC0153619
- Ureteric cancerC0153619
- Ureteric cancer NOSC0153619
- cancer of the ureterC0153619
- cancer of ureterC0153619
- cancer ureterC0153619
- of ureter cancerC0153619
- ureter cancerC0153619
- ureter, cancer ofC0153619
- ureteral cancerC0153619
Frequently Asked Questions
What is the ICD-10 code for malignant neoplasm of ureter?
The ICD-10-CM code for malignant neoplasm of ureter is C66. The full clinical description is "Malignant neoplasm of ureter". C66 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code C66 mean?
ICD-10-CM code C66 represents “Malignant neoplasm of ureter”. It is classified under Chapter 2: Neoplasms and is a non-billable header code. Use a more specific child code for billing purposes.
Is C66 a billable code?
No, C66 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 3 child codes under C66.
What chapter is C66 in?
C66 is in Chapter 2: Neoplasms (codes C00-D49).
What codes cannot be used with C66?
C66 has Excludes1 notes indicating codes that cannot be used together with it, including: malignant neoplasm of ureteric orifice of bladder (C67.6).
What are the subcategories under C66?
C66 has 3 child codes, including: C66.1 (Malignant neoplasm of right ureter), C66.2 (Malignant neoplasm of left ureter), C66.9 (Malignant neoplasm of unspecified ureter).
What are the UMLS CUIs for C66?
C66 is linked to 1 UMLS Concept Unique Identifier: C0153619. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does C66 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of ureter 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 C66?
C66 maps to the ICD-11 code: 2C92.Z (Malignant neoplasms of ureter, unspecified).
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.