ICD-10-CM O31: Complications specific to multiple gestation

ICD-10-CM Diagnosis Code (2025)

Official Description for O31

Complications specific to multiple gestation

Coding Notes & Guidelines for O31

Excludes2: Not Included Here
  • delayed delivery of second twin, triplet, etc. (O63.2)
  • malpresentation of one fetus or more (O32.9)
  • placental transfusion syndromes (O43.0-)
Inclusion Terms

Fetus compressus

Inclusion Terms

Continuing pregnancy after selective termination of one fetus or more

7th Character Guidance

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.

7th Character Definitions
  • 0: not applicable or unspecified
  • 1: fetus 1
  • 2: fetus 2
  • 3: fetus 3
  • 4: fetus 4
  • 5: fetus 5
  • 9: other fetus

Child Codes (More Specific Codes for O31):

O31.0 - Papyraceous fetus O31.00 - Papyraceous fetus, unspecified trimester O31.01 - Papyraceous fetus, first trimester O31.02 - Papyraceous fetus, second trimester O31.03 - Papyraceous fetus, third trimester O31.1 - Continuing pregnancy after spontaneous abortion of one fetus or more O31.10 - Continuing pregnancy after spontaneous abortion of one fetus or more, unspecified trimester O31.11 - Continuing pregnancy after spontaneous abortion of one fetus or more, first trimester O31.12 - Continuing pregnancy after spontaneous abortion of one fetus or more, second trimester O31.13 - Continuing pregnancy after spontaneous abortion of one fetus or more, third trimester O31.2 - Continuing pregnancy after intrauterine death of one fetus or more O31.20 - Continuing pregnancy after intrauterine death of one fetus or more, unspecified trimester O31.21 - Continuing pregnancy after intrauterine death of one fetus or more, first trimester O31.22 - Continuing pregnancy after intrauterine death of one fetus or more, second trimester O31.23 - Continuing pregnancy after intrauterine death of one fetus or more, third trimester O31.3 - Continuing pregnancy after elective fetal reduction of one fetus or more O31.30 - Continuing pregnancy after elective fetal reduction of one fetus or more, unspecified trimester O31.31 - Continuing pregnancy after elective fetal reduction of one fetus or more, first trimester O31.32 - Continuing pregnancy after elective fetal reduction of one fetus or more, second trimester O31.33 - Continuing pregnancy after elective fetal reduction of one fetus or more, third trimester O31.8 - Other complications specific to multiple gestation O31.8X - Other complications specific to multiple gestation O31.8X1 - Other complications specific to multiple gestation, first trimester O31.8X2 - Other complications specific to multiple gestation, second trimester O31.8X3 - Other complications specific to multiple gestation, third trimester O31.8X9 - Other complications specific to multiple gestation, unspecified trimester

About ICD-10-CM Code O31 (Complications specific to multiple gestation)

ICD-10-CM code O31 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM O31 became effective on October 1, 2024.

This page provides detailed information about O31 - Complications specific to multiple gestation. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Complications specific to multiple gestation.