Benign neoplasm of thyroid gland (D34) ICD-10-CM
The D34 code range covers benign neoplasm of thyroid gland with 1 ICD-10-CM diagnosis codes. 1 of them are billable and valid for claim submission in fiscal year 2026, 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 D34 Range 1 codes · 1 billable
- D34 Benign neoplasm of thyroid gland
About the D34 Code Range
The ICD-10 code D34 is used to classify a benign neoplasm of the thyroid gland. This means it is designated for noncancerous growths or tumors located in the thyroid.
This code specifically covers conditions commonly known as thyroid adenoma, including subtypes like follicular adenoma of the thyroid and toxic thyroid adenoma. It also applies to benign tumors arising in areas related to the thyroid such as the thyroglossal duct. Knowing these synonyms helps when assigning ICD-10 code D34 for patients diagnosed with nonmalignant thyroid tumors, ensuring proper documentation. The code distinguishes these benign tumors from malignant thyroid conditions, which require different coding. Medical coders rely on this code to accurately capture cases of benign thyroid neoplasms, facilitating appropriate treatment tracking and statistical reporting.
Questions About This Page
How many billable codes are in the D34 range?
Of the 1 codes in this range, 1 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the D34 range classify?
The range classifies benign 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 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
