MCMedicalCodingSoftware
D34

D34: Benign neoplasm of thyroid gland

Billable / specific codeICD-10-CM

D34 is a billable, specific ICD-10-CM code for benign neoplasm of thyroid gland. It is valid for submission on a claim.

Check D34 with the rest of the claim: free scrubber

Use additional code

Add a secondary code to capture the detail described below.

  • code to identify any functional activity

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

D34 is named in 9 Medicare coverage policies: 9 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52986Billing and Coding: Biomarkers for Oncology
  • A56464Billing and Coding: Flow Cytometry
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
  • A56695Billing and Coding: Implantable Infusion Pump

Alphabetic index entries that lead here

  • Adenoma›Hurthle cell
  • Hurthle cell›adenoma
  • Hurthle cell›tumor
  • Tumor›Hurthle cell(benign)
  • Adenoma›colloid›unspecified site
  • Adenoma›fetal›unspecified site
  • Adenoma›follicular›unspecified site
  • Adenoma›macrofollicular›unspecified site
  • Adenoma›microfollicular›unspecified site

Code history

Unchanged in every release from FY2024 to FY2027.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.