O31.3

Continuing pregnancy after elective fetal reduction of one fetus or more

Requires 7th character

O31.3 requires a 7th character to be reported. Choose a complete code below.

Inclusion terms

Applicable to

  • Continuing pregnancy after selective termination of one fetus or more

Includes (from O31)

  • Note: CODES FROM THIS CHAPTER ARE FOR USE ONLY ON MATERNAL RECORDS, NEVER ON NEWBORN RECORDS
  • Note: Codes from this chapter are for use for conditions related to or aggravated by the pregnancy, childbirth, or by the puerperium (maternal causes or obstetric causes)
  • Note: Trimesters are counted from the first day of the last menstrual period. They are defined as follows:
  • Note: 1st trimester- less than 14 weeks 0 days
  • Note: 2nd trimester- 14 weeks 0 days to less than 28 weeks 0 days
  • Note: 3rd trimester- 28 weeks 0 days until delivery

Excludes1

Not coded here — never report together with this code.

  • supervision of normal pregnancy (Z34.-) (from O31)

Excludes2

Not included here — may be reported together when both conditions exist.

  • mental and behavioral disorders associated with the puerperium (F53.-) (from O31)
  • obstetrical tetanus (A34) (from O31)
  • postpartum necrosis of pituitary gland (E23.0) (from O31)
  • puerperal osteomalacia (M83.0) (from O31)
  • delayed delivery of second twin, triplet, etc. (O63.2) (from O31)
  • malpresentation of one fetus or more (O32.9) (from O31)
  • placental transfusion syndromes (O43.0-) (from O31)

Use additional code

Add a code to identify the following, if applicable.

  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known. (from O31)

7th character

This code requires a 7th character (defined at O31). Use the placeholder "X" for missing positions.

CharacterMeaning
0not applicable or unspecified
1fetus 1
2fetus 2
3fetus 3
4fetus 4
5fetus 5
9other fetus

Also known as

  • Continuing pregnancy after selective termination of one fetus or more
  • Pregnancy, complicated by, fetal, reduction
  • Pregnancy, complicated by, fetal, selective termination
  • Pregnancy, continuing following, elective fetal reduction of one or more fetus

Parent code

  • O31Complications specific to multiple gestationNeeds 7th char

More specific codes O31.3

  • O31.30Continuing pregnancy after elective fetal reduction of one fetus or more, unspecified trimesterNeeds 7th char
  • O31.31Continuing pregnancy after elective fetal reduction of one fetus or more, first trimesterNeeds 7th char
  • O31.32Continuing pregnancy after elective fetal reduction of one fetus or more, second trimesterNeeds 7th char
  • O31.33Continuing pregnancy after elective fetal reduction of one fetus or more, third trimesterNeeds 7th char

Related codes

  • O31.0Papyraceous fetusNeeds 7th char
  • O31.1Continuing pregnancy after spontaneous abortion of one fetus or moreNeeds 7th char
  • O31.2Continuing pregnancy after intrauterine death of one fetus or moreNeeds 7th char
  • O31.4Continuing pregnancy after vanishing twin syndrome of one fetus or moreNeeds 7th char
  • O31.8Other complications specific to multiple gestationNeeds 7th char

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