ICD-10-CM
ICD-10 code for Hurthle cell adenoma: D34
The ICD-10-CM index points "Hurthle cell adenoma" to D34, Benign neoplasm of thyroid gland. D34 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Questions
What is the ICD-10 code for Hurthle cell adenoma?
The ICD-10-CM index points "Hurthle cell adenoma" to D34, Benign neoplasm of thyroid gland. D34 is a billable code.
Is D34 billable?
Yes. D34 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to D34?
The CDC tabular list gives 1 "use additional code" note for D34 and the categories above it. They are listed on this page.
What chapter is D34 in?
Chapter 2. Neoplasms.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.