Hyperchloremia of newborn
Billable / specific
P74.421 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
- Hyperchloremic metabolic acidosis
Includes (from P74)
- 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
- transitory endocrine and metabolic disturbances caused by the infant's response to maternal endocrine and metabolic factors, or its adjustment to extrauterine environment
- 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.
- late metabolic acidosis of the newborn (P74.0)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) (from P74)
- endocrine, nutritional and metabolic diseases (E00-E88) (from P74)
- injury, poisoning and certain other consequences of external causes (S00-T88) (from P74)
- neoplasms (C00-D49) (from P74)
- tetanus neonatorum (A33) (from P74)
Also known as
- Hyperchloremic metabolic acidosis
- Acidosis, metabolic NEC, hyperchloremic, of newborn
- Disturbance, electrolyte, newborn, transitory, hyperchloremia
- Disturbance, electrolyte, newborn, transitory, hyperchloremic metabolic acidosis
Parent code
- P74.42Disturbances of chlorine balance of newbornHeader
Related codes
- P74.422Hypochloremia of newbornBillable