P74.42 Disturbances of chlorine balance of newbornNon-billable header with 2 child codes.
P00 Newborn affected by maternal conditions that may be unrelated to present pregnancy ("newborn affected by maternal endocrine and metabolic disorders (P70-P74)")P74.3 Disturbances of potassium balance of newbornP74.31 Hyperkalemia of newbornP74.32 Hypokalemia of newbornP74.4 Other transitory electrolyte disturbances of newbornP74.41 Alkalosis of newbornP74.42 Disturbances of chlorine balance of newborn (this code)P74.421 Hyperchloremia of newbornP74.422 Hypochloremia of newbornP74.49 Other transitory electrolyte disturbance of newbornP74.5 Transitory tyrosinemia of newbornP74.6 Transitory hyperammonemia of newborn