ICD-10-CM E87: Other disorders of fluid, electrolyte and acid-base balance

ICD-10-CM Diagnosis Code (2025)

Official Description for E87

Other disorders of fluid, electrolyte and acid-base balance

Coding Notes & Guidelines for E87

Excludes1: Not Coded Here
  • 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)
Excludes1: Not Coded Here

syndrome of inappropriate secretion of antidiuretic hormone (E22.2)

Excludes1: Not Coded Here

diabetic acidosis - see categories E08-E10, E11, E13 with ketoacidosis

Excludes1: Not Coded Here
  • edema NOS (R60.9)
  • fluid retention (R60.9)
Excludes2: Not Included Here

diabetes with hyperosmolarity (E08, E09, E11, E13 with final characters .00 or .01)

Excludes2: Not Included Here
  • acute respiratory acidosis (J96.02)
  • chronic respiratory acidosis (J96.12)
Code First

underlying etiology, if applicable

Inclusion Terms
  • Sodium [Na] excess
  • Sodium [Na] overload
Inclusion Terms

Sodium [Na] deficiency

Inclusion Terms
  • Lactic acidosis NOS
  • Metabolic acidosis NOS
Inclusion Terms

Acute lactic acidosis

Inclusion Terms

Chronic lactic acidosis

Inclusion Terms

Respiratory acidosis NOS

Inclusion Terms
  • Alkalosis NOS
  • Metabolic alkalosis
  • Respiratory alkalosis
Inclusion Terms
  • Potassium [K] excess
  • Potassium [K] overload
Inclusion Terms

Potassium [K] deficiency

Inclusion Terms
  • Fluid overload due to transfusion (blood) (blood components)
  • TACO
Inclusion Terms
  • Electrolyte imbalance NOS
  • Hyperchloremia
  • Hypochloremia
Code Also

, if applicable, respiratory failure with hypercapnia (J96. with 5th character 2)

Child Codes (More Specific Codes for E87):

E87.0 - Hyperosmolality and hypernatremia E87.1 - Hypo-osmolality and hyponatremia E87.2 - Acidosis E87.20 - Acidosis, unspecified E87.21 - Acute metabolic acidosis E87.22 - Chronic metabolic acidosis E87.29 - Other acidosis E87.3 - Alkalosis E87.4 - Mixed disorder of acid-base balance E87.5 - Hyperkalemia E87.6 - Hypokalemia E87.7 - Fluid overload E87.70 - Fluid overload, unspecified E87.71 - Transfusion associated circulatory overload E87.79 - Other fluid overload E87.8 - Other disorders of electrolyte and fluid balance, not elsewhere classified

About ICD-10-CM Code E87 (Other disorders of fluid)

ICD-10-CM code E87 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM E87 became effective on October 1, 2024.

This page provides detailed information about E87 - Other disorders of fluid, electrolyte and acid-base balance. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other disorders of fluid related to electrolyte and acid-base balance.