ICD-10-CM · Chapter 2 · C00-D49
C73 Malignant neoplasm of thyroid gland
Use Additional Code
- code to identify any functional activity
This category is a complete, billable diagnosis code.
No additional specificity is required — submit C73 directly on claims and documentation without a subcode extension.
Plain-language term for this code
The following entry in the US Medical Glossary corresponds to ICD-10-CM category C73:
- Thyroid Cancer — Cáncer de tiroides
Last reviewed: September 2026