Alphabetic Index FY2027

P00

Newborn affected by maternal conditions that may be unrelated to present pregnancy

FY2027Chapter 16: Certain conditions originating in the perinatal period/P00–P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

P00 is a non-billable ICD-10-CM code category for newborn affected by maternal conditions that may be unrelated to present pregnancy. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are P00.0 Newborn affected by maternal hypertensive disorders, P00.1 Newborn affected by maternal renal and urinary tract diseases, P00.2 Newborn affected by maternal infectious and parasitic diseases, P00.3 Newborn affected by other maternal circulatory and respiratory diseases and 6 more. Its coding notes include a Code first instruction and 9 Excludes2 entries.

Guidelines tip

From the FY2027 Official Guidelines. ICD10Ref adds no rules of its own.

Chapter 16 codes are never used on the maternal record, and chapter 15 codes are never used on the newborn record. Chapter 16 codes can be used for life if the condition persists.

Guidelines I.C.16.a.1Perinatal codes and the maternal recordRead the official text

Code first

If the underlying condition listed here is present and known, sequence it first.

This code
  • any current condition in newborn

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

This code
  • encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
  • newborn affected by maternal complications of pregnancy (P01.-)
  • newborn affected by maternal endocrine and metabolic disorders (P70-P74)
  • newborn affected by noxious substances transmitted via placenta or breast milk (P04.-)
Also from chapter/block level (5 notes)
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • 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)

Includes

Further defines or gives examples of the content of the category.

Also from chapter/block level (1 note)
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • 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

Notes

Also from chapter/block level (2 notes)
Inherited from P00–P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery
  • These codes are for use when the listed maternal conditions are specified as the cause of confirmed morbidity or potential morbidity which have their origin in the perinatal period (before birth through the first 28 days after birth).
Inherited from Chapter 16 Certain conditions originating in the perinatal period
  • Codes from this chapter are for use on newborn records only, never on maternal records

More specific codes under P00 10