P04
ICD-10Non-billable categoryNB aff by noxious substnc transmitd via plcnta or brst milk
Official ICD-10-CM descriptor (FY2026)
Newborn affected by noxious substances transmitted via placenta or breast milk
P04 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- nonteratogenic effects of substances transmitted via placenta
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- 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
Sequence the underlying condition before this code.
- any current condition in newborn, if applicable
More specific codes under P04
- P04.0NB aff by matern anesth and analgesia in preg, labor and del
- P04.1Newborn affected by other maternal medicationcategory
- P04.2Newborn affected by maternal use of tobacco
- P04.3Newborn affected by maternal use of alcohol
- P04.4Newborn affected by maternal use of drugs of addictioncategory
- P04.5Newborn aff by maternal use of nutritional chemical substnc
- P04.6Newborn aff by maternal exposure to environ chemical substnc
- P04.8Newborn affected by other maternal noxious substancescategory
- P04.9Newborn affected by maternal noxious substance, unspecified
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.