MCMedicalCodingSoftware
D44.0

D44.0: Neoplasm of uncertain behavior of thyroid gland

Billable / specific codeICD-10-CM

D44.0 is a billable, specific ICD-10-CM code for neoplasm of uncertain behavior of thyroid gland. It is valid for submission on a claim.

Check D44.0 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above D44.0

A category’s note binds every code beneath it.

Written on D44: Neoplasm of uncertain behavior of endocrine glands

  • multiple endocrine adenomatosis (E31.2-)
  • multiple endocrine neoplasia (E31.2-)
  • neoplasm of uncertain behavior of endocrine pancreas (D37.8)
  • neoplasm of uncertain behavior of ovary (D39.1-)
  • neoplasm of uncertain behavior of testis (D40.1-)
  • neoplasm of uncertain behavior of thymus (D38.4)

Risk adjustment

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

Medicare coverage

D44.0 is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
  • A52986Billing and Coding: Biomarkers for Oncology
  • A56462Billing and Coding: Erythropoiesis Stimulating Agents (ESA)
  • A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D44

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.