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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  • P26—

    Pulmonary hemorrhage originating in the perinatal period

  • P26.0—

    Tracheobronchial hemorrhage originating in the perinatal period

  • P26.1—

    Massive pulmonary hemorrhage originating in the perinatal period

  • P26.8—

    Other pulmonary hemorrhages originating in the perinatal period

  • P26.9—

    Unspecified pulmonary hemorrhage originating in the perinatal period

  • P27—

    Chronic respiratory disease originating in the perinatal period

  • P27.0—

    Wilson-Mikity syndrome

  • P27.1—

    Bronchopulmonary dysplasia originating in the perinatal period

  • P27.8—

    Other chronic respiratory diseases originating in the perinatal period

  • P27.9—

    Unspecified chronic respiratory disease originating in the perinatal period

  • P28—

    Other respiratory conditions originating in the perinatal period

  • P28.0—

    Primary atelectasis of newborn

  • P28.1—

    Other and unspecified atelectasis of newborn

  • P28.10—

    Unspecified atelectasis of newborn

  • P28.11—

    Resorption atelectasis without respiratory distress syndrome

  • P28.19—

    Other atelectasis of newborn

  • P28.2—

    Cyanotic attacks of newborn

  • P28.3—

    Primary sleep apnea of newborn

  • P28.30—

    Primary sleep apnea of newborn, unspecified

  • P28.31—

    Primary central sleep apnea of newborn

  • P28.32—

    Primary obstructive sleep apnea of newborn

  • P28.33—

    Primary mixed sleep apnea of newborn

  • P28.39—

    Other primary sleep apnea of newborn

  • P28.4—

    Other apnea of newborn

  • P28.40—

    Unspecified apnea of newborn

  • P28.41—

    Central neonatal apnea of newborn

  • P28.42—

    Obstructive apnea of newborn

  • P28.43—

    Mixed neonatal apnea of newborn

  • P28.49—

    Other apnea of newborn

  • P28.5—

    Respiratory failure of newborn

  • P28.8—

    Other specified respiratory conditions of newborn

  • P28.81—

    Respiratory arrest of newborn

  • P28.89—

    Other specified respiratory conditions of newborn

  • P28.9—

    Respiratory condition of newborn, unspecified

  • P29—

    Cardiovascular disorders originating in the perinatal period

  • P29.0—

    Neonatal cardiac failure

  • P29.1—

    Neonatal cardiac dysrhythmia

  • P29.11—

    Neonatal tachycardia

  • P29.12—

    Neonatal bradycardia

  • P29.2—

    Neonatal hypertension

  • P29.3—

    Persistent fetal circulation

  • P29.30—

    Pulmonary hypertension of newborn

  • P29.38—

    Other persistent fetal circulation

  • P29.4—

    Transient myocardial ischemia in newborn

  • P29.8—

    Other cardiovascular disorders originating in the perinatal period

  • P29.81—

    Cardiac arrest of newborn

  • P29.89—

    Other cardiovascular disorders originating in the perinatal period

  • P29.9—

    Cardiovascular disorder originating in the perinatal period, unspecified

  • P35—

    Congenital viral diseases

  • P35.0—

    Congenital rubella syndrome

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