P74.4 Other transitory electrolyte disturbances of newbornNon-billable header with 3 child codes.
P74.41 Alkalosis of newbornP74.42 Disturbances of chlorine balance of newbornP74.49 Other transitory electrolyte disturbance of newborn775.5 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)")P74.21 Hypernatremia of newbornP74.22 Hyponatremia of newbornP74.3 Disturbances of potassium balance of newbornP74.31 Hyperkalemia of newbornP74.32 Hypokalemia of newbornP74.4 Other transitory electrolyte disturbances of newborn (this code)P74.41 Alkalosis of newbornP74.42 Disturbances of chlorine balance of newbornP74.421 Hyperchloremia of newbornP74.422 Hypochloremia of newbornP74.49 Other transitory electrolyte disturbance of newborn