P74.2 Disturbances of sodium balance of newbornNon-billable header with 2 child codes.
775.5 Other transitory neonatal electrolyte disturbances (approximate)P00 Newborn affected by maternal conditions that may be unrelated to present pregnancy ("newborn affected by maternal endocrine and metabolic disorders (P70-P74)")P74 Other transitory neonatal electrolyte and metabolic disturbancesP74.0 Late metabolic acidosis of newbornP74.1 Dehydration of newbornP74.2 Disturbances of sodium balance of newborn (this code)P74.21 Hypernatremia of newbornP74.22 Hyponatremia of newbornP74.3 Disturbances of potassium balance of newbornP74.31 Hyperkalemia of newbornP74.32 Hypokalemia of newborn