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)
Internal Codes
  • P12.81

    Caput succedaneum

  • P12.89

    Other birth injuries to scalp

  • P12.9

    Birth injury to scalp, unspecified

  • P13.0

    Fracture of skull due to birth injury

  • P13.1

    Other birth injuries to skull

  • P13.2

    Birth injury to femur

  • P13.3

    Birth injury to other long bones

  • P13.4

    Fracture of clavicle due to birth injury

  • P13.8

    Birth injuries to other parts of skeleton

  • P13.9

    Birth injury to skeleton, unspecified

  • P14.0

    Erb's paralysis due to birth injury

  • P14.1

    Klumpke's paralysis due to birth injury

  • P14.2

    Phrenic nerve paralysis due to birth injury

  • P14.3

    Other brachial plexus birth injuries

  • P14.8

    Birth injuries to other parts of peripheral nervous system

  • P14.9

    Birth injury to peripheral nervous system, unspecified

  • P15.0

    Birth injury to liver

  • P15.1

    Birth injury to spleen

  • P15.2

    Sternomastoid injury due to birth injury

  • P15.3

    Birth injury to eye

  • P15.4

    Birth injury to face

  • P15.5

    Birth injury to external genitalia

  • P15.6

    Subcutaneous fat necrosis due to birth injury

  • P15.8

    Other specified birth injuries

  • P15.9

    Birth injury, unspecified

  • P19.0

    Metabolic acidemia in newborn first noted before onset of labor

  • P19.1

    Metabolic acidemia in newborn first noted during labor

  • P19.2

    Metabolic acidemia noted at birth

  • P19.9

    Metabolic acidemia in newborn, unspecified

  • P22.0

    Respiratory distress syndrome of newborn

  • P22.1

    Transient tachypnea of newborn

  • P22.8

    Other respiratory distress of newborn

  • P22.9

    Respiratory distress of newborn, unspecified

  • P23.0

    Congenital pneumonia due to viral agent

  • P23.1

    Congenital pneumonia due to Chlamydia

  • P23.2

    Congenital pneumonia due to staphylococcus

  • P23.3

    Congenital pneumonia due to streptococcus, group B

  • P23.4

    Congenital pneumonia due to Escherichia coli

  • P23.5

    Congenital pneumonia due to Pseudomonas

  • P23.6

    Congenital pneumonia due to other bacterial agents

  • P23.8

    Congenital pneumonia due to other organisms

  • P23.9

    Congenital pneumonia, unspecified

  • P24.00

    Meconium aspiration without respiratory symptoms

  • P24.01

    Meconium aspiration with respiratory symptoms

  • P24.10

    Neonatal aspiration of (clear) amniotic fluid and mucus without respiratory symptoms

  • P24.11

    Neonatal aspiration of (clear) amniotic fluid and mucus with respiratory symptoms

  • P24.20

    Neonatal aspiration of blood without respiratory symptoms

  • P24.21

    Neonatal aspiration of blood with respiratory symptoms

  • P24.30

    Neonatal aspiration of milk and regurgitated food without respiratory symptoms

  • P24.31

    Neonatal aspiration of milk and regurgitated food with respiratory symptoms

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