P00.9
Newborn affected by unspecified maternal condition
P00.9 (also written P009) is a billable ICD-10-CM diagnosis code for newborn affected by unspecified maternal condition. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 12 codes in category P00 (Newborn affected by maternal conditions that may be unrelated to present pregnancy). The Alphabetic Index lists it under 2 entries. 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.
Code first
If the underlying condition listed here is present and known, sequence it first.
- any current condition in newborn
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
- 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)
- 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)
- 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)
- 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).
- Codes from this chapter are for use on newborn records only, never on maternal records
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 2 entries