Excludes1

  • androgen insensitivity syndrome (E34.5-)
  • congenital adrenal hyperplasia (E25.0)
  • hemolytic anemias attributable to enzyme disorders (D55.-)
  • Marfan syndrome (Q87.4-)
  • 5-alpha-reductase deficiency (E29.1)

Excludes2

  • Ehlers-Danlos syndromes (Q79.6-)
  1. E87 Other disorders of fluid, electrolyte and acid-base balance

    Excludes1

    • diabetes insipidus (E23.2)
    • electrolyte imbalance associated with hyperemesis gravidarum (O21.1)
    • electrolyte imbalance following ectopic or molar pregnancy (O08.5)
    • familial periodic paralysis (G72.3)
    • metabolic acidemia in newborn, unspecified (P19.9)
    1. E87.0 Hyperosmolality and hypernatremia

      Inclusion term(s):

      • Sodium [Na] excess
      • Sodium [Na] overload
    2. E87.1 Hypo-osmolality and hyponatremia

      Inclusion term(s):

      • Sodium [Na] deficiency
    3. E87.2 Acidosis

      1. E87.20 Acidosis, unspecified

        Inclusion term(s):

        • Lactic acidosis NOS
        • Metabolic acidosis NOS
      2. E87.21 Acute metabolic acidosis

        Inclusion term(s):

        • Acute lactic acidosis
      3. E87.22 Chronic metabolic acidosis

        Inclusion term(s):

        • Chronic lactic acidosis
      4. E87.29 Other acidosis

        Inclusion term(s):

        • Respiratory acidosis NOS
    4. E87.3 Alkalosis

      Inclusion term(s):

      • Alkalosis NOS
      • Metabolic alkalosis
      • Respiratory alkalosis
    5. E87.4 Mixed disorder of acid-base balance

    6. E87.5 Hyperkalemia

      Inclusion term(s):

      • Potassium [K] excess
      • Potassium [K] overload
    7. E87.6 Hypokalemia

      Inclusion term(s):

      • Potassium [K] deficiency
    8. E87.7 Fluid overload

      1. E87.70 Fluid overload, unspecified

      2. E87.71 Transfusion associated circulatory overload

        Inclusion term(s):

        • Fluid overload due to transfusion (blood) (blood components)
        • TACO
      3. E87.79 Other fluid overload

    9. E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified

      Inclusion term(s):

      • Electrolyte imbalance NOS
      • Hyperchloremia
      • Hypochloremia
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.