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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  • O29.021|

    Pressure collapse of lung due to anesthesia during pregnancy, first trimester

  • O29.022|

    Pressure collapse of lung due to anesthesia during pregnancy, second trimester

  • O29.023|

    Pressure collapse of lung due to anesthesia during pregnancy, third trimester

  • O29.029|

    Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester

  • O29.09|

    Other pulmonary complications of anesthesia during pregnancy

  • O29.091|

    Other pulmonary complications of anesthesia during pregnancy, first trimester

  • O29.092|

    Other pulmonary complications of anesthesia during pregnancy, second trimester

  • O29.093|

    Other pulmonary complications of anesthesia during pregnancy, third trimester

  • O29.099|

    Other pulmonary complications of anesthesia during pregnancy, unspecified trimester

  • O29.1|

    Cardiac complications of anesthesia during pregnancy

  • O29.11|

    Cardiac arrest due to anesthesia during pregnancy

  • O29.111|

    Cardiac arrest due to anesthesia during pregnancy, first trimester

  • O29.112|

    Cardiac arrest due to anesthesia during pregnancy, second trimester

  • O29.113|

    Cardiac arrest due to anesthesia during pregnancy, third trimester

  • O29.119|

    Cardiac arrest due to anesthesia during pregnancy, unspecified trimester

  • O29.12|

    Cardiac failure due to anesthesia during pregnancy

  • O29.121|

    Cardiac failure due to anesthesia during pregnancy, first trimester

  • O29.122|

    Cardiac failure due to anesthesia during pregnancy, second trimester

  • O29.123|

    Cardiac failure due to anesthesia during pregnancy, third trimester

  • O29.129|

    Cardiac failure due to anesthesia during pregnancy, unspecified trimester

  • O29.19|

    Other cardiac complications of anesthesia during pregnancy

  • O29.191|

    Other cardiac complications of anesthesia during pregnancy, first trimester

  • O29.192|

    Other cardiac complications of anesthesia during pregnancy, second trimester

  • O29.193|

    Other cardiac complications of anesthesia during pregnancy, third trimester

  • O29.199|

    Other cardiac complications of anesthesia during pregnancy, unspecified trimester

  • O29.2|

    Central nervous system complications of anesthesia during pregnancy

  • O29.21|

    Cerebral anoxia due to anesthesia during pregnancy

  • O29.211|

    Cerebral anoxia due to anesthesia during pregnancy, first trimester

  • O29.212|

    Cerebral anoxia due to anesthesia during pregnancy, second trimester

  • O29.213|

    Cerebral anoxia due to anesthesia during pregnancy, third trimester

  • O29.219|

    Cerebral anoxia due to anesthesia during pregnancy, unspecified trimester

  • O29.29|

    Other central nervous system complications of anesthesia during pregnancy

  • O29.291|

    Other central nervous system complications of anesthesia during pregnancy, first trimester

  • O29.292|

    Other central nervous system complications of anesthesia during pregnancy, second trimester

  • O29.293|

    Other central nervous system complications of anesthesia during pregnancy, third trimester

  • O29.299|

    Other central nervous system complications of anesthesia during pregnancy, unspecified trimester

  • O29.3|

    Toxic reaction to local anesthesia during pregnancy

  • O29.3X|

    Toxic reaction to local anesthesia during pregnancy

  • O29.3X1|

    Toxic reaction to local anesthesia during pregnancy, first trimester

  • O29.3X2|

    Toxic reaction to local anesthesia during pregnancy, second trimester

  • O29.3X3|

    Toxic reaction to local anesthesia during pregnancy, third trimester

  • O29.3X9|

    Toxic reaction to local anesthesia during pregnancy, unspecified trimester

  • O29.4|

    Spinal and epidural anesthesia induced headache during pregnancy

  • O29.40|

    Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimester

  • O29.41|

    Spinal and epidural anesthesia induced headache during pregnancy, first trimester

  • O29.42|

    Spinal and epidural anesthesia induced headache during pregnancy, second trimester

  • O29.43|

    Spinal and epidural anesthesia induced headache during pregnancy, third trimester

  • O29.5|

    Other complications of spinal and epidural anesthesia during pregnancy

  • O29.5X|

    Other complications of spinal and epidural anesthesia during pregnancy

  • O29.5X1|

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

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