O40.1XX0
✓ Billable
Polyhydramnios, first trimester, not applicable or unspecified
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O40.1XX0
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Pregnancy, Childbirth and the Puerperium
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 O40.1XX0?
ICD-10-CM code O40.1XX0 represents Polyhydramnios, first trimester, not applicable or unspecified. It is a billable diagnosis code in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O40.1XX0 billable?
Yes. O40.1XX0 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is O40.1XX0 in?
O40.1XX0 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O40 category
O40
Polyhydramnios
Non-billable
O40.1
Polyhydramnios, first trimester
Non-billable
O40.2
Polyhydramnios, second trimester
Non-billable
O40.3
Polyhydramnios, third trimester
Non-billable
O40.9
Polyhydramnios, unspecified trimester
Non-billable
O40.1XX1
Polyhydramnios, first trimester, fetus 1
Billable
O40.1XX2
Polyhydramnios, first trimester, fetus 2
Billable
O40.1XX3
Polyhydramnios, first trimester, fetus 3
Billable
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