All ICD10 Codes
Chapter 16

P00–P96: Certain Conditions Originating in the Perinatal Period

Certain Conditions Originating in the Perinatal Period diagnostic classification updated for 2026.

Chapter Instructions

Includes
  • conditions that have their origin in the fetal or perinatal period (before birth through the first 28 days after birth) even if morbidity occurs later
Excludes2(Not included here. Code separately if applicable.)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • tetanus neonatorum (A33)
All CodesBillable Only
Internal Codes
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  • P35.1—

    Congenital cytomegalovirus infection

  • P35.2—

    Congenital herpesviral [herpes simplex] infection

  • P35.3—

    Congenital viral hepatitis

  • P35.4—

    Congenital Zika virus disease

  • P35.8—

    Other congenital viral diseases

  • P35.9—

    Congenital viral disease, unspecified

  • P36—

    Bacterial sepsis of newborn

  • P36.0—

    Sepsis of newborn due to streptococcus, group B

  • P36.1—

    Sepsis of newborn due to other and unspecified streptococci

  • P36.10—

    Sepsis of newborn due to unspecified streptococci

  • P36.19—

    Sepsis of newborn due to other streptococci

  • P36.2—

    Sepsis of newborn due to Staphylococcus aureus

  • P36.3—

    Sepsis of newborn due to other and unspecified staphylococci

  • P36.30—

    Sepsis of newborn due to unspecified staphylococci

  • P36.39—

    Sepsis of newborn due to other staphylococci

  • P36.4—

    Sepsis of newborn due to Escherichia coli

  • P36.5—

    Sepsis of newborn due to anaerobes

  • P36.8—

    Other bacterial sepsis of newborn

  • P36.9—

    Bacterial sepsis of newborn, unspecified

  • P37—

    Other congenital infectious and parasitic diseases

  • P37.0—

    Congenital tuberculosis

  • P37.1—

    Congenital toxoplasmosis

  • P37.2—

    Neonatal (disseminated) listeriosis

  • P37.3—

    Congenital falciparum malaria

  • P37.4—

    Other congenital malaria

  • P37.5—

    Neonatal candidiasis

  • P37.8—

    Other specified congenital infectious and parasitic diseases

  • P37.9—

    Congenital infectious or parasitic disease, unspecified

  • P38—

    Omphalitis of newborn

  • P38.1—

    Omphalitis with mild hemorrhage

  • P38.9—

    Omphalitis without hemorrhage

  • P39—

    Other infections specific to the perinatal period

  • P39.0—

    Neonatal infective mastitis

  • P39.1—

    Neonatal conjunctivitis and dacryocystitis

  • P39.2—

    Intra-amniotic infection affecting newborn, not elsewhere classified

  • P39.3—

    Neonatal urinary tract infection

  • P39.4—

    Neonatal skin infection

  • P39.8—

    Other specified infections specific to the perinatal period

  • P39.9—

    Infection specific to the perinatal period, unspecified

  • P50—

    Newborn affected by intrauterine (fetal) blood loss

  • P50.0—

    Newborn affected by intrauterine (fetal) blood loss from vasa previa

  • P50.1—

    Newborn affected by intrauterine (fetal) blood loss from ruptured cord

  • P50.2—

    Newborn affected by intrauterine (fetal) blood loss from placenta

  • P50.3—

    Newborn affected by hemorrhage into co-twin

  • P50.4—

    Newborn affected by hemorrhage into maternal circulation

  • P50.5—

    Newborn affected by intrauterine (fetal) blood loss from cut end of co-twin's cord

  • P50.8—

    Newborn affected by other intrauterine (fetal) blood loss

  • P50.9—

    Newborn affected by intrauterine (fetal) blood loss, unspecified

  • P51—

    Umbilical hemorrhage of newborn

  • P51.0—

    Massive umbilical hemorrhage of newborn

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