All ICD10 Codes
Chapter 15

O00–O9A: Pregnancy, Childbirth and the Puerperium

Pregnancy, Childbirth and the Puerperium diagnostic classification updated for 2026.

Chapter Instructions

Excludes1(Not coded here. Use a different code.)
  • supervision of normal pregnancy (Z34.-)
Excludes2(Not included here. Code separately if applicable.)
  • mental and behavioral disorders associated with the puerperium (F53.-)
  • obstetrical tetanus (A34)
  • postpartum necrosis of pituitary gland (E23.0)
  • puerperal osteomalacia (M83.0)
Use Additional Code
  • code, if applicable, from category Z3A, Weeks of gestation, to identify the specific week of the pregnancy, if known.
All CodesBillable Only
Internal Codes
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  • O31.8X31—

    Other complications specific to multiple gestation, third trimester, fetus 1

  • O31.8X32—

    Other complications specific to multiple gestation, third trimester, fetus 2

  • O31.8X33—

    Other complications specific to multiple gestation, third trimester, fetus 3

  • O31.8X34—

    Other complications specific to multiple gestation, third trimester, fetus 4

  • O31.8X35—

    Other complications specific to multiple gestation, third trimester, fetus 5

  • O31.8X39—

    Other complications specific to multiple gestation, third trimester, other fetus

  • O31.8X9—

    Other complications specific to multiple gestation, unspecified trimester

  • O31.8X90—

    Other complications specific to multiple gestation, unspecified trimester, not applicable or unspecified

  • O31.8X91—

    Other complications specific to multiple gestation, unspecified trimester, fetus 1

  • O31.8X92—

    Other complications specific to multiple gestation, unspecified trimester, fetus 2

  • O31.8X93—

    Other complications specific to multiple gestation, unspecified trimester, fetus 3

  • O31.8X94—

    Other complications specific to multiple gestation, unspecified trimester, fetus 4

  • O31.8X95—

    Other complications specific to multiple gestation, unspecified trimester, fetus 5

  • O31.8X99—

    Other complications specific to multiple gestation, unspecified trimester, other fetus

  • O32.0—

    Maternal care for unstable lie

  • O32.0XX0—

    Maternal care for unstable lie, not applicable or unspecified

  • O32.0XX1—

    Maternal care for unstable lie, fetus 1

  • O32.0XX2—

    Maternal care for unstable lie, fetus 2

  • O32.0XX3—

    Maternal care for unstable lie, fetus 3

  • O32.0XX4—

    Maternal care for unstable lie, fetus 4

  • O32.0XX5—

    Maternal care for unstable lie, fetus 5

  • O32.0XX9—

    Maternal care for unstable lie, other fetus

  • O32.1—

    Maternal care for breech presentation

  • O32.1XX0—

    Maternal care for breech presentation, not applicable or unspecified

  • O32.1XX1—

    Maternal care for breech presentation, fetus 1

  • O32.1XX2—

    Maternal care for breech presentation, fetus 2

  • O32.1XX3—

    Maternal care for breech presentation, fetus 3

  • O32.1XX4—

    Maternal care for breech presentation, fetus 4

  • O32.1XX5—

    Maternal care for breech presentation, fetus 5

  • O32.1XX9—

    Maternal care for breech presentation, other fetus

  • O32.2—

    Maternal care for transverse and oblique lie

  • O32.2XX0—

    Maternal care for transverse and oblique lie, not applicable or unspecified

  • O32.2XX1—

    Maternal care for transverse and oblique lie, fetus 1

  • O32.2XX2—

    Maternal care for transverse and oblique lie, fetus 2

  • O32.2XX3—

    Maternal care for transverse and oblique lie, fetus 3

  • O32.2XX4—

    Maternal care for transverse and oblique lie, fetus 4

  • O32.2XX5—

    Maternal care for transverse and oblique lie, fetus 5

  • O32.2XX9—

    Maternal care for transverse and oblique lie, other fetus

  • O32.3—

    Maternal care for face, brow and chin presentation

  • O32.3XX0—

    Maternal care for face, brow and chin presentation, not applicable or unspecified

  • O32.3XX1—

    Maternal care for face, brow and chin presentation, fetus 1

  • O32.3XX2—

    Maternal care for face, brow and chin presentation, fetus 2

  • O32.3XX3—

    Maternal care for face, brow and chin presentation, fetus 3

  • O32.3XX4—

    Maternal care for face, brow and chin presentation, fetus 4

  • O32.3XX5—

    Maternal care for face, brow and chin presentation, fetus 5

  • O32.3XX9—

    Maternal care for face, brow and chin presentation, other fetus

  • O32.4—

    Maternal care for high head at term

  • O32.4XX0—

    Maternal care for high head at term, not applicable or unspecified

  • O32.4XX1—

    Maternal care for high head at term, fetus 1

  • O32.4XX2—

    Maternal care for high head at term, fetus 2

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