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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  • O91.211—

    Nonpurulent mastitis associated with pregnancy, first trimester

  • O91.212—

    Nonpurulent mastitis associated with pregnancy, second trimester

  • O91.213—

    Nonpurulent mastitis associated with pregnancy, third trimester

  • O91.219—

    Nonpurulent mastitis associated with pregnancy, unspecified trimester

  • O91.22—

    Nonpurulent mastitis associated with the puerperium

  • O91.23—

    Nonpurulent mastitis associated with lactation

  • O92.011—

    Retracted nipple associated with pregnancy, first trimester

  • O92.012—

    Retracted nipple associated with pregnancy, second trimester

  • O92.013—

    Retracted nipple associated with pregnancy, third trimester

  • O92.019—

    Retracted nipple associated with pregnancy, unspecified trimester

  • O92.02—

    Retracted nipple associated with the puerperium

  • O92.03—

    Retracted nipple associated with lactation

  • O92.111—

    Cracked nipple associated with pregnancy, first trimester

  • O92.112—

    Cracked nipple associated with pregnancy, second trimester

  • O92.113—

    Cracked nipple associated with pregnancy, third trimester

  • O92.119—

    Cracked nipple associated with pregnancy, unspecified trimester

  • O92.12—

    Cracked nipple associated with the puerperium

  • O92.13—

    Cracked nipple associated with lactation

  • O92.20—

    Unspecified disorder of breast associated with pregnancy and the puerperium

  • O92.29—

    Other disorders of breast associated with pregnancy and the puerperium

  • O92.3—

    Agalactia

  • O92.4—

    Hypogalactia

  • O92.5—

    Suppressed lactation

  • O92.6—

    Galactorrhea

  • O92.70—

    Unspecified disorders of lactation

  • O92.79—

    Other disorders of lactation

  • O94—

    Sequelae of complication of pregnancy, childbirth, and the puerperium

  • O98.011—

    Tuberculosis complicating pregnancy, first trimester

  • O98.012—

    Tuberculosis complicating pregnancy, second trimester

  • O98.013—

    Tuberculosis complicating pregnancy, third trimester

  • O98.019—

    Tuberculosis complicating pregnancy, unspecified trimester

  • O98.02—

    Tuberculosis complicating childbirth

  • O98.03—

    Tuberculosis complicating the puerperium

  • O98.111—

    Syphilis complicating pregnancy, first trimester

  • O98.112—

    Syphilis complicating pregnancy, second trimester

  • O98.113—

    Syphilis complicating pregnancy, third trimester

  • O98.119—

    Syphilis complicating pregnancy, unspecified trimester

  • O98.12—

    Syphilis complicating childbirth

  • O98.13—

    Syphilis complicating the puerperium

  • O98.211—

    Gonorrhea complicating pregnancy, first trimester

  • O98.212—

    Gonorrhea complicating pregnancy, second trimester

  • O98.213—

    Gonorrhea complicating pregnancy, third trimester

  • O98.219—

    Gonorrhea complicating pregnancy, unspecified trimester

  • O98.22—

    Gonorrhea complicating childbirth

  • O98.23—

    Gonorrhea complicating the puerperium

  • O98.311—

    Other infections with a predominantly sexual mode of transmission complicating pregnancy, first trimester

  • O98.312—

    Other infections with a predominantly sexual mode of transmission complicating pregnancy, second trimester

  • O98.313—

    Other infections with a predominantly sexual mode of transmission complicating pregnancy, third trimester

  • O98.319—

    Other infections with a predominantly sexual mode of transmission complicating pregnancy, unspecified trimester

  • O98.32—

    Other infections with a predominantly sexual mode of transmission complicating childbirth

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