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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  • 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

  • P04.40—

    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

  • P04.81—

    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

  • P05.00—

    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

  • P05.10—

    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

  • P05.13—

    Newborn small for gestational age, 750-999 grams

  • P05.14—

    Newborn small for gestational age, 1000-1249 grams

  • P05.15—

    Newborn small for gestational age, 1250-1499 grams

  • P05.16—

    Newborn small for gestational age, 1500-1749 grams

  • P05.17—

    Newborn small for gestational age, 1750-1999 grams

  • P05.18—

    Newborn small for gestational age, 2000-2499 grams

  • P05.19—

    Newborn small for gestational age, other

  • P05.2—

    Newborn affected by fetal (intrauterine) malnutrition not light or small for gestational age

  • P05.9—

    Newborn affected by slow intrauterine growth, unspecified

  • P07.00—

    Extremely low birth weight newborn, unspecified weight

  • P07.01—

    Extremely low birth weight newborn, less than 500 grams

  • P07.02—

    Extremely low birth weight newborn, 500-749 grams

  • P07.03—

    Extremely low birth weight newborn, 750-999 grams

  • P07.10—

    Other low birth weight newborn, unspecified weight

  • P07.14—

    Other low birth weight newborn, 1000-1249 grams

  • P07.15—

    Other low birth weight newborn, 1250-1499 grams

  • P07.16—

    Other low birth weight newborn, 1500-1749 grams

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