Malignant neoplasm of thyroid gland (C73) ICD-10-CM
The C73 code range covers malignant neoplasm of thyroid gland with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
- code to identify any functional activity
Codes in the C73 Range 1 codes · 1 billable
- C73 Malignant neoplasm of thyroid gland
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the C73 range.
Malignant Thyroid Gland Neoplasm
A primary or metastatic malignant neoplasm affecting the thyroid gland.
About the C73 Code Range
A malignant tumor affecting the thyroid gland may start there or spread there from elsewhere. Within the group of thyroid and other endocrine gland malignancies, C73 identifies the thyroid gland as the affected site.
Questions About This Page
How many billable codes are in the C73 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the C73 range classify?
The range classifies malignant neoplasm of thyroid gland. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
