D39.12
✓ Billable
Neoplasm of uncertain behavior of left ovary
ICD-10-CM · FY2026 · Neoplasms
Code
D39.12
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 D39.12?
ICD-10-CM code D39.12 represents Neoplasm of uncertain behavior of left ovary. It is a billable diagnosis code in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is D39.12 billable?
Yes. D39.12 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is D39.12 in?
D39.12 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the D39 category
D39
Neoplasm of uncertain behavior of female genital organs
Non-billable
D39.0
Neoplasm of uncertain behavior of uterus
Billable
D39.1
Neoplasm of uncertain behavior of ovary
Non-billable
D39.2
Neoplasm of uncertain behavior of placenta
Billable
D39.8
Neoplasm of uncertain behavior of other specified female genital organs
Billable
D39.9
Neoplasm of uncertain behavior of female genital organ, unspecified
Billable
D39.10
Neoplasm of uncertain behavior of unspecified ovary
Billable
D39.11
Neoplasm of uncertain behavior of right ovary
Billable
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