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O31.41 ⚠ Non-billable

Continuing pregnancy after vanishing twin syndrome of one fetus or more, first trimester

ICD-10-CM · FY2026 · Pregnancy, Childbirth and the Puerperium

Code
O31.41
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.

Official coding notes

From CMS's ICD-10-CM Tabular List.

Excludes2 — not included here, but may code together
  • delayed delivery of second twin, triplet, etc. (O63.2)
  • malpresentation of one fetus or more (O32.9)
  • placental transfusion syndromes (O43.0-)
7th character
  • One of the following 7th characters is to be assigned to each code under category O31. 7th character 0 is for single gestations and multiple gestations where the fetus is unspecified. 7th characters 1 through 9 are for cases of multiple gestations to identify the fetus for which the code applies. The appropriate code from category O30, Multiple gestation, must also be assigned when assigning a code from category O31 that has a 7th character of 1 through 9.

Frequently asked questions

What is ICD-10 code O31.41?
ICD-10-CM code O31.41 represents Continuing pregnancy after vanishing twin syndrome of one fetus or more, first 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 O31.41 billable?
No. O31.41 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is O31.41 in?
O31.41 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 O31.00 Papyraceous fetus, unspecified trimester Non-billable O31.01 Papyraceous fetus, first trimester Non-billable O31.02 Papyraceous fetus, second trimester Non-billable O31.03 Papyraceous fetus, third trimester Non-billable O31.10 Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester Non-billable

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