Certain conditions originating in the perinatal period

463 billable diagnosis codes across 12 code blocks. FY2027 release.

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

Excludes 2 (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)

P00-P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery

P05-P08 Disorders of newborn related to length of gestation and fetal growth

P09 Abnormal findings on neonatal screening

P10-P15 Birth trauma

P19-P29 Respiratory and cardiovascular disorders specific to the perinatal period

P35-P39 Infections specific to the perinatal period

P50-P61 Hemorrhagic and hematological disorders of newborn

P70-P74 Transitory endocrine and metabolic disorders specific to newborn

P76-P78 Digestive system disorders of newborn

P80-P83 Conditions involving the integument and temperature regulation of newborn

P84 Other problems with newborn

P90-P96 Other disorders originating in the perinatal period

Last reviewed: September 2026