P04 – Newborn affected by noxious substances transmitted via placenta or breast milk

ICD-10-CM 2027 diagnosis code · Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery

Non-billable header

ICD-10-CM code P04
Code
P04 (claims format: P04)
Description
Newborn affected by noxious substances transmitted via placenta or breast milk
Short description
NB aff by noxious substnc transmitd via plcnta or brst milk
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
16. Certain conditions originating in the perinatal period (P00-P96)
Block
P00-P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery

Billable codes under P04

P04 is a header code and cannot be used on claims. Choose the most specific code:

Notes for P04

Includes:
  • nonteratogenic effects of substances transmitted via placenta
Excludes2 (not included here):
  • congenital malformations (Q00-Q99)
  • encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
  • neonatal jaundice from excessive hemolysis due to drugs or toxins transmitted from mother (P58.4)
  • newborn in contact with and (suspected) exposures hazardous to health not transmitted via placenta or breast milk (Z77.-)
Code first:
  • any current condition in newborn, if applicable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block P00-P04

Notes:
  • 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).

Frequently asked questions

What is ICD-10 code P04?

P04 is the ICD-10-CM code for newborn affected by noxious substances transmitted via placenta or breast milk, in the block P00-P04 (Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery).

Is P04 a billable code?

No. P04 is a header code with more specific child codes; report one of the billable codes listed above.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.