2C21.Z
Malignant neoplasms of middle ear, unspecified
Malignant neoplasms of middle ear, unspecified
ICD-10 Equivalents(1)
ICD-10 Equivalents
View full mappingCorresponding ICD-10-CM codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(14)
SNOMED CT ↗
- Malignant neoplasm of opening of auditory tube187698002
- Malignant neoplasm of nasal cavities, middle ear and accessory sinuses187828007
- Malignant neoplasm of auditory tube, middle ear and mastoid air cells187833006
- Malignant neoplasm of auditory tube187834000
- Malignant neoplasm of mastoid antrum187836003
- Malignant neoplasm of middle ear and mastoid269463006
- Malignant neoplasm of middle ear363359008
- Malignant neoplasm of mastoid air cells363424007
- Malignant neoplasm of mastoid448299004
- Malignant middle ear paraganglioma789721005
Frequently Asked Questions
What is the ICD-11 code for malignant neoplasms of middle ear, unspecified?
The ICD-11 code for malignant neoplasms of middle ear, unspecified is 2C21.Z. The full clinical description is "Malignant neoplasms of middle ear, unspecified".
What does ICD-11 code 2C21.Z mean?
ICD-11 code 2C21.Z represents “Malignant neoplasms of middle ear, unspecified”. It is classified under Chapter 2: Neoplasms.
What chapter is 2C21.Z in?
2C21.Z is in Chapter 2: Neoplasms (codes 2A00-2F9Z).
What is the ICD-10 equivalent of ICD-11 code 2C21.Z?
2C21.Z maps to the ICD-10 code: C30.1 (Malignant neoplasm of middle ear). This is an equivalent mapping.
What is the difference between ICD-10 and ICD-11?
ICD-11 is the latest revision of the WHO's International Classification of Diseases, succeeding ICD-10. Key differences include: a fully digital-first design, new chapters for sleep-wake disorders, sexual health, and traditional medicine, improved coding for rare diseases, and better integration with electronic health records through extension codes.
What SNOMED CT codes does 2C21.Z map to?
2C21.Z maps to 10 SNOMED CT concepts: 789721005, 187834000, 187833006, 448299004, 363424007, and 5 more. SNOMED CT is a clinical terminology used in electronic health records.
What UMLS concepts map to ICD-11 code 2C21.Z?
2C21.Z is linked to 4 UMLS Concept Unique Identifiers: C2837942, C0496788, C0864887, C0345622. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate Medical Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 and ICD-11 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.