Post-term newborn
Billable / specific
P08.21 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Newborn with gestation period over 40 completed weeks to 42 completed weeks
Includes (from P08)
- 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
- the listed conditions, without further specification, as causes of morbidity or additional care, in newborn
- Note: Codes from this chapter are for use on newborn records only, never on maternal records
- Note: When both birth weight and gestational age of the newborn are available, priority of assignment should be given to birth weight
Excludes2
Not included here — may be reported together when both conditions exist.
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from P08)
- endocrine, nutritional and metabolic diseases (E00-E88) (from P08)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from P08)
- neoplasms (C00-D49) (from P08)
- tetanus neonatorum (A33) (from P08)
Also known as
- Newborn with gestation period over 40 completed weeks to 42 completed weeks
- Newborn, post-term
- Post-term, infant
Parent code
- P08.2Late newborn, not heavy for gestational ageHeader
Related codes
- P08.22Prolonged gestation of newbornBillable