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)
  • 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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  • P03.8—

    Newborn affected by other specified complications of labor and delivery

  • P03.81—

    Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm

  • P03.810—

    Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm before the onset of labor

  • P03.811—

    Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm during labor

  • P03.819—

    Newborn affected by abnormality in fetal (intrauterine) heart rate or rhythm, unspecified as to time of onset

  • P03.82—

    Meconium passage during delivery

  • P03.89—

    Newborn affected by other specified complications of labor and delivery

  • P03.9—

    Newborn affected by complication of labor and delivery, unspecified

  • P04—

    Newborn affected by noxious substances transmitted via placenta or breast milk

  • P04.0—

    Newborn affected by maternal anesthesia and analgesia in pregnancy, labor and delivery

  • P04.1—

    Newborn affected by other maternal medication

  • P04.11—

    Newborn affected by maternal antineoplastic chemotherapy

  • P04.12—

    Newborn affected by maternal cytotoxic drugs

  • P04.13—

    Newborn affected by maternal use of anticonvulsants

  • P04.14—

    Newborn affected by maternal use of opiates

  • P04.15—

    Newborn affected by maternal use of antidepressants

  • P04.16—

    Newborn affected by maternal use of amphetamines

  • P04.17—

    Newborn affected by maternal use of sedative-hypnotics

  • P04.18—

    Newborn affected by other maternal medication

  • P04.19—

    Newborn affected by maternal use of unspecified medication

  • P04.1A—

    Newborn affected by maternal use of anxiolytics

  • P04.2—

    Newborn affected by maternal use of tobacco

  • P04.3—

    Newborn affected by maternal use of alcohol

  • P04.4—

    Newborn affected by maternal use of drugs of addiction

  • P04.40—

    Newborn affected by maternal use of unspecified drugs of addiction

  • P04.41—

    Newborn affected by maternal use of cocaine

  • P04.42—

    Newborn affected by maternal use of hallucinogens

  • P04.49—

    Newborn affected by maternal use of other drugs of addiction

  • P04.5—

    Newborn affected by maternal use of nutritional chemical substances

  • P04.6—

    Newborn affected by maternal exposure to environmental chemical substances

  • P04.8—

    Newborn affected by other maternal noxious substances

  • P04.81—

    Newborn affected by maternal use of cannabis

  • P04.89—

    Newborn affected by other maternal noxious substances

  • P04.9—

    Newborn affected by maternal noxious substance, unspecified

  • P05—

    Disorders of newborn related to slow fetal growth and fetal malnutrition

  • P05.0—

    Newborn light for gestational age

  • P05.00—

    Newborn light for gestational age, unspecified weight

  • P05.01—

    Newborn light for gestational age, less than 500 grams

  • P05.02—

    Newborn light for gestational age, 500-749 grams

  • P05.03—

    Newborn light for gestational age, 750-999 grams

  • P05.04—

    Newborn light for gestational age, 1000-1249 grams

  • P05.05—

    Newborn light for gestational age, 1250-1499 grams

  • P05.06—

    Newborn light for gestational age, 1500-1749 grams

  • P05.07—

    Newborn light for gestational age, 1750-1999 grams

  • P05.08—

    Newborn light for gestational age, 2000-2499 grams

  • P05.09—

    Newborn light for gestational age, 2500 grams and over

  • P05.1—

    Newborn small for gestational age

  • P05.10—

    Newborn small for gestational age, unspecified weight

  • P05.11—

    Newborn small for gestational age, less than 500 grams

  • P05.12—

    Newborn small for gestational age, 500-749 grams

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