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
PrevNext
  • P74.32—

    Hypokalemia of newborn

  • P74.4—

    Other transitory electrolyte disturbances of newborn

  • P74.41—

    Alkalosis of newborn

  • P74.42—

    Disturbances of chlorine balance of newborn

  • P74.421—

    Hyperchloremia of newborn

  • P74.422—

    Hypochloremia of newborn

  • P74.49—

    Other transitory electrolyte disturbance of newborn

  • P74.5—

    Transitory tyrosinemia of newborn

  • P74.6—

    Transitory hyperammonemia of newborn

  • P74.8—

    Other transitory metabolic disturbances of newborn

  • P74.9—

    Transitory metabolic disturbance of newborn, unspecified

  • P76—

    Other intestinal obstruction of newborn

  • P76.0—

    Meconium plug syndrome

  • P76.1—

    Transitory ileus of newborn

  • P76.2—

    Intestinal obstruction due to inspissated milk

  • P76.8—

    Other specified intestinal obstruction of newborn

  • P76.9—

    Intestinal obstruction of newborn, unspecified

  • P77—

    Necrotizing enterocolitis of newborn

  • P77.1—

    Stage 1 necrotizing enterocolitis in newborn

  • P77.2—

    Stage 2 necrotizing enterocolitis in newborn

  • P77.3—

    Stage 3 necrotizing enterocolitis in newborn

  • P77.9—

    Necrotizing enterocolitis in newborn, unspecified

  • P78—

    Other perinatal digestive system disorders

  • P78.0—

    Perinatal intestinal perforation

  • P78.1—

    Other neonatal peritonitis

  • P78.2—

    Neonatal hematemesis and melena due to swallowed maternal blood

  • P78.3—

    Noninfective neonatal diarrhea

  • P78.8—

    Other specified perinatal digestive system disorders

  • P78.81—

    Congenital cirrhosis (of liver)

  • P78.82—

    Peptic ulcer of newborn

  • P78.83—

    Newborn esophageal reflux

  • P78.84—

    Gestational alloimmune liver disease

  • P78.89—

    Other specified perinatal digestive system disorders

  • P78.9—

    Perinatal digestive system disorder, unspecified

  • P80—

    Hypothermia of newborn

  • P80.0—

    Cold injury syndrome

  • P80.8—

    Other hypothermia of newborn

  • P80.9—

    Hypothermia of newborn, unspecified

  • P81—

    Other disturbances of temperature regulation of newborn

  • P81.0—

    Environmental hyperthermia of newborn

  • P81.8—

    Other specified disturbances of temperature regulation of newborn

  • P81.9—

    Disturbance of temperature regulation of newborn, unspecified

  • P83—

    Other conditions of integument specific to newborn

  • P83.0—

    Sclerema neonatorum

  • P83.1—

    Neonatal erythema toxicum

  • P83.2—

    Hydrops fetalis not due to hemolytic disease

  • P83.3—

    Other and unspecified edema specific to newborn

  • P83.30—

    Unspecified edema specific to newborn

  • P83.39—

    Other edema specific to newborn

  • P83.4—

    Breast engorgement of newborn

PreviousPage 10 of 12Next