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
PrevNext
  • O29.5X2|

    Other complications of spinal and epidural anesthesia during pregnancy, second trimester

  • O29.5X3|

    Other complications of spinal and epidural anesthesia during pregnancy, third trimester

  • O29.5X9|

    Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester

  • O29.6|

    Failed or difficult intubation for anesthesia during pregnancy

  • O29.60|

    Failed or difficult intubation for anesthesia during pregnancy, unspecified trimester

  • O29.61|

    Failed or difficult intubation for anesthesia during pregnancy, first trimester

  • O29.62|

    Failed or difficult intubation for anesthesia during pregnancy, second trimester

  • O29.63|

    Failed or difficult intubation for anesthesia during pregnancy, third trimester

  • O29.8|

    Other complications of anesthesia during pregnancy

  • O29.8X|

    Other complications of anesthesia during pregnancy

  • O29.8X1|

    Other complications of anesthesia during pregnancy, first trimester

  • O29.8X2|

    Other complications of anesthesia during pregnancy, second trimester

  • O29.8X3|

    Other complications of anesthesia during pregnancy, third trimester

  • O29.8X9|

    Other complications of anesthesia during pregnancy, unspecified trimester

  • O29.9|

    Unspecified complication of anesthesia during pregnancy

  • O29.90|

    Unspecified complication of anesthesia during pregnancy, unspecified trimester

  • O29.91|

    Unspecified complication of anesthesia during pregnancy, first trimester

  • O29.92|

    Unspecified complication of anesthesia during pregnancy, second trimester

  • O29.93|

    Unspecified complication of anesthesia during pregnancy, third trimester

  • O30|

    Multiple gestation

  • O30.0|

    Twin pregnancy

  • O30.00|

    Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs

  • O30.001|

    Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, first trimester

  • O30.002|

    Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, second trimester

  • O30.003|

    Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, third trimester

  • O30.009|

    Twin pregnancy, unspecified number of placenta and unspecified number of amniotic sacs, unspecified trimester

  • O30.01|

    Twin pregnancy, monochorionic/monoamniotic

  • O30.011|

    Twin pregnancy, monochorionic/monoamniotic, first trimester

  • O30.012|

    Twin pregnancy, monochorionic/monoamniotic, second trimester

  • O30.013|

    Twin pregnancy, monochorionic/monoamniotic, third trimester

  • O30.019|

    Twin pregnancy, monochorionic/monoamniotic, unspecified trimester

  • O30.02|

    Conjoined twin pregnancy

  • O30.021|

    Conjoined twin pregnancy, first trimester

  • O30.022|

    Conjoined twin pregnancy, second trimester

  • O30.023|

    Conjoined twin pregnancy, third trimester

  • O30.029|

    Conjoined twin pregnancy, unspecified trimester

  • O30.03|

    Twin pregnancy, monochorionic/diamniotic

  • O30.031|

    Twin pregnancy, monochorionic/diamniotic, first trimester

  • O30.032|

    Twin pregnancy, monochorionic/diamniotic, second trimester

  • O30.033|

    Twin pregnancy, monochorionic/diamniotic, third trimester

  • O30.039|

    Twin pregnancy, monochorionic/diamniotic, unspecified trimester

  • O30.04|

    Twin pregnancy, dichorionic/diamniotic

  • O30.041|

    Twin pregnancy, dichorionic/diamniotic, first trimester

  • O30.042|

    Twin pregnancy, dichorionic/diamniotic, second trimester

  • O30.043|

    Twin pregnancy, dichorionic/diamniotic, third trimester

  • O30.049|

    Twin pregnancy, dichorionic/diamniotic, unspecified trimester

  • O30.09|

    Twin pregnancy, unable to determine number of placenta and number of amniotic sacs

  • O30.091|

    Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, first trimester

  • O30.092|

    Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, second trimester

  • O30.093|

    Twin pregnancy, unable to determine number of placenta and number of amniotic sacs, third trimester

PreviousPage 14 of 61Next