Disturbance of temperature regulation of newborn, unspecified
Billable / specific
P81.9 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
- Fever of newborn NOS
Includes (from P81)
- 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
- Note: Codes from this chapter are for use on newborn records only, never on maternal records
Excludes2
Not included here — may be reported together when both conditions exist.
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from P81)
- endocrine, nutritional and metabolic diseases (E00-E88) (from P81)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from P81)
- neoplasms (C00-D49) (from P81)
- tetanus neonatorum (A33) (from P81)
Also known as
- Fever of newborn NOS
- Disorder, temperature regulation, newborn
- Disturbance, temperature, regulation, newborn
- Fever, newborn
- Hyperthermia, newborn
- Newborn, fever
- Pyrexia, newborn
Parent code
- P81Other disturbances of temperature regulation of newbornHeader