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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  • O47.1|

    False labor at or after 37 completed weeks of gestation

  • O47.9|

    False labor, unspecified

  • O48|

    Late pregnancy

  • O48.0|

    Post-term pregnancy

  • O48.1|

    Prolonged pregnancy

  • O60|

    Preterm labor

  • O60.0|

    Preterm labor without delivery

  • O60.00|

    Preterm labor without delivery, unspecified trimester

  • O60.02|

    Preterm labor without delivery, second trimester

  • O60.03|

    Preterm labor without delivery, third trimester

  • O60.1|

    Preterm labor with preterm delivery

  • O60.10|

    Preterm labor with preterm delivery, unspecified trimester

  • O60.10X0|

    Preterm labor with preterm delivery, unspecified trimester, not applicable or unspecified

  • O60.10X1|

    Preterm labor with preterm delivery, unspecified trimester, fetus 1

  • O60.10X2|

    Preterm labor with preterm delivery, unspecified trimester, fetus 2

  • O60.10X3|

    Preterm labor with preterm delivery, unspecified trimester, fetus 3

  • O60.10X4|

    Preterm labor with preterm delivery, unspecified trimester, fetus 4

  • O60.10X5|

    Preterm labor with preterm delivery, unspecified trimester, fetus 5

  • O60.10X9|

    Preterm labor with preterm delivery, unspecified trimester, other fetus

  • O60.12|

    Preterm labor second trimester with preterm delivery second trimester

  • O60.12X0|

    Preterm labor second trimester with preterm delivery second trimester, not applicable or unspecified

  • O60.12X1|

    Preterm labor second trimester with preterm delivery second trimester, fetus 1

  • O60.12X2|

    Preterm labor second trimester with preterm delivery second trimester, fetus 2

  • O60.12X3|

    Preterm labor second trimester with preterm delivery second trimester, fetus 3

  • O60.12X4|

    Preterm labor second trimester with preterm delivery second trimester, fetus 4

  • O60.12X5|

    Preterm labor second trimester with preterm delivery second trimester, fetus 5

  • O60.12X9|

    Preterm labor second trimester with preterm delivery second trimester, other fetus

  • O60.13|

    Preterm labor second trimester with preterm delivery third trimester

  • O60.13X0|

    Preterm labor second trimester with preterm delivery third trimester, not applicable or unspecified

  • O60.13X1|

    Preterm labor second trimester with preterm delivery third trimester, fetus 1

  • O60.13X2|

    Preterm labor second trimester with preterm delivery third trimester, fetus 2

  • O60.13X3|

    Preterm labor second trimester with preterm delivery third trimester, fetus 3

  • O60.13X4|

    Preterm labor second trimester with preterm delivery third trimester, fetus 4

  • O60.13X5|

    Preterm labor second trimester with preterm delivery third trimester, fetus 5

  • O60.13X9|

    Preterm labor second trimester with preterm delivery third trimester, other fetus

  • O60.14|

    Preterm labor third trimester with preterm delivery third trimester

  • O60.14X0|

    Preterm labor third trimester with preterm delivery third trimester, not applicable or unspecified

  • O60.14X1|

    Preterm labor third trimester with preterm delivery third trimester, fetus 1

  • O60.14X2|

    Preterm labor third trimester with preterm delivery third trimester, fetus 2

  • O60.14X3|

    Preterm labor third trimester with preterm delivery third trimester, fetus 3

  • O60.14X4|

    Preterm labor third trimester with preterm delivery third trimester, fetus 4

  • O60.14X5|

    Preterm labor third trimester with preterm delivery third trimester, fetus 5

  • O60.14X9|

    Preterm labor third trimester with preterm delivery third trimester, other fetus

  • O60.2|

    Term delivery with preterm labor

  • O60.20|

    Term delivery with preterm labor, unspecified trimester

  • O60.20X0|

    Term delivery with preterm labor, unspecified trimester, not applicable or unspecified

  • O60.20X1|

    Term delivery with preterm labor, unspecified trimester, fetus 1

  • O60.20X2|

    Term delivery with preterm labor, unspecified trimester, fetus 2

  • O60.20X3|

    Term delivery with preterm labor, unspecified trimester, fetus 3

  • O60.20X4|

    Term delivery with preterm labor, unspecified trimester, fetus 4

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