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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  • O32.8—

    Maternal care for other malpresentation of fetus

  • O32.8XX0—

    Maternal care for other malpresentation of fetus, not applicable or unspecified

  • O32.8XX1—

    Maternal care for other malpresentation of fetus, fetus 1

  • O32.8XX2—

    Maternal care for other malpresentation of fetus, fetus 2

  • O32.8XX3—

    Maternal care for other malpresentation of fetus, fetus 3

  • O32.8XX4—

    Maternal care for other malpresentation of fetus, fetus 4

  • O32.8XX5—

    Maternal care for other malpresentation of fetus, fetus 5

  • O32.8XX9—

    Maternal care for other malpresentation of fetus, other fetus

  • O32.9—

    Maternal care for malpresentation of fetus, unspecified

  • O32.9XX0—

    Maternal care for malpresentation of fetus, unspecified, not applicable or unspecified

  • O32.9XX1—

    Maternal care for malpresentation of fetus, unspecified, fetus 1

  • O32.9XX2—

    Maternal care for malpresentation of fetus, unspecified, fetus 2

  • O32.9XX3—

    Maternal care for malpresentation of fetus, unspecified, fetus 3

  • O32.9XX4—

    Maternal care for malpresentation of fetus, unspecified, fetus 4

  • O32.9XX5—

    Maternal care for malpresentation of fetus, unspecified, fetus 5

  • O32.9XX9—

    Maternal care for malpresentation of fetus, unspecified, other fetus

  • O33—

    Maternal care for disproportion

  • O33.0—

    Maternal care for disproportion due to deformity of maternal pelvic bones

  • O33.1—

    Maternal care for disproportion due to generally contracted pelvis

  • O33.2—

    Maternal care for disproportion due to inlet contraction of pelvis

  • O33.3—

    Maternal care for disproportion due to outlet contraction of pelvis

  • O33.3XX0—

    Maternal care for disproportion due to outlet contraction of pelvis, not applicable or unspecified

  • O33.3XX1—

    Maternal care for disproportion due to outlet contraction of pelvis, fetus 1

  • O33.3XX2—

    Maternal care for disproportion due to outlet contraction of pelvis, fetus 2

  • O33.3XX3—

    Maternal care for disproportion due to outlet contraction of pelvis, fetus 3

  • O33.3XX4—

    Maternal care for disproportion due to outlet contraction of pelvis, fetus 4

  • O33.3XX5—

    Maternal care for disproportion due to outlet contraction of pelvis, fetus 5

  • O33.3XX9—

    Maternal care for disproportion due to outlet contraction of pelvis, other fetus

  • O33.4—

    Maternal care for disproportion of mixed maternal and fetal origin

  • O33.4XX0—

    Maternal care for disproportion of mixed maternal and fetal origin, not applicable or unspecified

  • O33.4XX1—

    Maternal care for disproportion of mixed maternal and fetal origin, fetus 1

  • O33.4XX2—

    Maternal care for disproportion of mixed maternal and fetal origin, fetus 2

  • O33.4XX3—

    Maternal care for disproportion of mixed maternal and fetal origin, fetus 3

  • O33.4XX4—

    Maternal care for disproportion of mixed maternal and fetal origin, fetus 4

  • O33.4XX5—

    Maternal care for disproportion of mixed maternal and fetal origin, fetus 5

  • O33.4XX9—

    Maternal care for disproportion of mixed maternal and fetal origin, other fetus

  • O33.5—

    Maternal care for disproportion due to unusually large fetus

  • O33.5XX0—

    Maternal care for disproportion due to unusually large fetus, not applicable or unspecified

  • O33.5XX1—

    Maternal care for disproportion due to unusually large fetus, fetus 1

  • O33.5XX2—

    Maternal care for disproportion due to unusually large fetus, fetus 2

  • O33.5XX3—

    Maternal care for disproportion due to unusually large fetus, fetus 3

  • O33.5XX4—

    Maternal care for disproportion due to unusually large fetus, fetus 4

  • O33.5XX5—

    Maternal care for disproportion due to unusually large fetus, fetus 5

  • O33.5XX9—

    Maternal care for disproportion due to unusually large fetus, other fetus

  • O33.6—

    Maternal care for disproportion due to hydrocephalic fetus

  • O33.6XX0—

    Maternal care for disproportion due to hydrocephalic fetus, not applicable or unspecified

  • O33.6XX1—

    Maternal care for disproportion due to hydrocephalic fetus, fetus 1

  • O33.6XX2—

    Maternal care for disproportion due to hydrocephalic fetus, fetus 2

  • O33.6XX3—

    Maternal care for disproportion due to hydrocephalic fetus, fetus 3

  • O33.6XX4—

    Maternal care for disproportion due to hydrocephalic fetus, fetus 4

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