O31.12
⚠ Non-billable
Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester
ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium
Code
O31.12
System
ICD-10-CM
Billable
No — use specific code
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 O31.12?
ICD-10-CM code O31.12 represents Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester. It is a non-billable header code requiring a more specific subcategory in the Pregnancy, Childbirth and the Puerperium chapter, effective October 1, 2025 – September 30, 2026.
Is O31.12 billable?
No. O31.12 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O31.12 in?
O31.12 belongs to the Pregnancy, Childbirth and the Puerperium chapter (O00–O9A) of ICD-10-CM.
Related codes in the O31 category
O31
Complications specific to multiple gestation
Non-billable
O31.0
Papyraceous fetus
Non-billable
O31.1
Continuing pregnancy after spontaneous abortion of one fetus or more
Non-billable
O31.2
Continuing pregnancy after intrauterine death of one fetus or more
Non-billable
O31.3
Continuing pregnancy after elective fetal reduction of one fetus or more
Non-billable
O31.8
Other complications specific to multiple gestation
Non-billable
O31.00
Papyraceous fetus, unspecified trimester
Non-billable
O31.01
Papyraceous fetus, first trimester
Non-billable
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