D44.0
✓ Billable
Neoplasm of uncertain behavior of thyroid gland
ICD-10-CM · FY2026 · Neoplasms
Code
D44.0
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code D44.0?
ICD-10-CM code D44.0 represents Neoplasm of uncertain behavior of thyroid gland. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D44.0 billable?
Yes. D44.0 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is D44.0 in?
D44.0 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D44 category
D44
Neoplasm of uncertain behavior of endocrine glands
Non-billable
D44.1
Neoplasm of uncertain behavior of adrenal gland
Non-billable
D44.2
Neoplasm of uncertain behavior of parathyroid gland
Billable
D44.3
Neoplasm of uncertain behavior of pituitary gland
Billable
D44.4
Neoplasm of uncertain behavior of craniopharyngeal duct
Billable
D44.5
Neoplasm of uncertain behavior of pineal gland
Billable
D44.6
Neoplasm of uncertain behavior of carotid body
Billable
D44.7
Neoplasm of uncertain behavior of aortic body and other paraganglia
Billable
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