• transitory endocrine and metabolic disturbances caused by the infant's response to maternal endocrine and metabolic factors, or its adjustment to extrauterine environment
  1. P74 Other transitory neonatal electrolyte and metabolic disturbances

    1. P74.0 Late metabolic acidosis of newborn

    2. P74.1 Dehydration of newborn

    3. P74.2 Disturbances of sodium balance of newborn

      1. P74.21 Hypernatremia of newborn

      2. P74.22 Hyponatremia of newborn

    4. P74.3 Disturbances of potassium balance of newborn

      1. P74.31 Hyperkalemia of newborn

      2. P74.32 Hypokalemia of newborn

    5. P74.4 Other transitory electrolyte disturbances of newborn

      1. P74.41 Alkalosis of newborn

        Inclusion term(s):

        • Hyperbicarbonatemia
      2. P74.42 Disturbances of chlorine balance of newborn

      3. P74.49 Other transitory electrolyte disturbance of newborn

    6. P74.5 Transitory tyrosinemia of newborn

    7. P74.6 Transitory hyperammonemia of newborn

    8. P74.8 Other transitory metabolic disturbances of newborn

      Inclusion term(s):

      • Amino-acid metabolic disorders described as transitory
    9. P74.9 Transitory metabolic disturbance of newborn, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.