{"code":"E87","type":"category","title":"Other disorders of fluid, electrolyte and acid-base balance","codeAlso":[],"includes":[],"modern_v":"official26","codeFirst":[],"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)","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-)"],"isBillable":false,"fyEffectivity":{"fy2026":true,"fy2027":true,"billableFy2026":false,"billableFy2027":false},"sibling_codes":["E87.0","E87.1","E87.2","E87.20","E87.21","E87.22","E87.29","E87.3","E87.4","E87.5","E87.6","E87.7","E87.70","E87.71","E87.79","E87.8"],"inclusionTerms":[],"sibling_titles":{"code":"E87.8","title":"Other disorders of electrolyte and fluid balance, not elsewhere classified","isBillable":true},"useAdditionalCode":[],"clinicalDefinition":"Other disorders of fluid, electrolyte and acid-base balance is a non-billable ICD-10-CM category code (E87). A more specific billable subcode must be selected for claims submission. 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.","officialDefinition":"Other disorders of fluid, electrolyte and acid-base balance is a non-billable ICD-10-CM category code (E87). A more specific billable subcode must be selected for claims submission. 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","seventhCharacterInstructions":[],"workflowProtocols":[],"guidelines":{"whenToUse":[],"whenNotToUse":[],"commonBillingMistakes":[],"codeComparisons":[],"documentationChecklist":[]},"domainLandscape":{"summary":"Primary diagnostic domain and clinical landscape evaluation.","keyCategories":[],"diagnosticContinuum":"Progression continuum from acute presentation to resolution."},"children":[{"code":"E87.0","title":"Hyperosmolality and hypernatremia","description":"Hyperosmolality and hypernatremia is a billable ICD-10-CM diagnosis code (E87.0). Inclusion terms: Sodium [Na] excess; Sodium [Na] overload. 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); 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 (not included here): diabetes with hyperosmolarity (E08, E09, E11, E13 with final characters .00 or .01); Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.0-hyperosmolality-and-hypernatremia"},{"code":"E87.1","title":"Hypo-osmolality and hyponatremia","description":"Hypo-osmolality and hyponatremia is a billable ICD-10-CM diagnosis code (E87.1). Inclusion terms: Sodium [Na] deficiency. Excludes1 (not coded here): syndrome of inappropriate secretion of antidiuretic hormone (E22.2); 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.1-hypo-osmolality-and-hyponatremia"},{"code":"E87.2","title":"Acidosis","description":"Acidosis is a non-billable ICD-10-CM category code (E87.2). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): diabetic acidosis - see categories E08-E10, E11, E13 with ketoacidosis; 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":false,"slug":"e87.2-acidosis"},{"code":"E87.20","title":"Acidosis, unspecified","description":"Acidosis, unspecified is a billable ICD-10-CM diagnosis code (E87.20). Inclusion terms: Lactic acidosis NOS; Metabolic acidosis NOS. Excludes1 (not coded here): diabetic acidosis - see categories E08-E10, E11, E13 with ketoacidosis; 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-). Code also: , if applicable, respiratory failure with hypercapnia (J96. with 5th character 2).","isBillable":true,"slug":"e87.20-acidosis-unspecified"},{"code":"E87.21","title":"Acute metabolic acidosis","description":"Acute metabolic acidosis is a billable ICD-10-CM diagnosis code (E87.21). Inclusion terms: Acute lactic acidosis. Excludes1 (not coded here): diabetic acidosis - see categories E08-E10, E11, E13 with ketoacidosis; 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.21-acute-metabolic-acidosis"},{"code":"E87.22","title":"Chronic metabolic acidosis","description":"Chronic metabolic acidosis is a billable ICD-10-CM diagnosis code (E87.22). Inclusion terms: Chronic lactic acidosis. Excludes1 (not coded here): diabetic acidosis - see categories E08-E10, E11, E13 with ketoacidosis; 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-). Code first: underlying etiology, if applicable.","isBillable":true,"slug":"e87.22-chronic-metabolic-acidosis"},{"code":"E87.29","title":"Other acidosis","description":"Other acidosis is a billable ICD-10-CM diagnosis code (E87.29). Inclusion terms: Respiratory acidosis NOS. Excludes1 (not coded here): diabetic acidosis - see categories E08-E10, E11, E13 with ketoacidosis; 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); 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 (not included here): acute respiratory acidosis (J96.02); chronic respiratory acidosis (J96.12); Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.29-other-acidosis"},{"code":"E87.3","title":"Alkalosis","description":"Alkalosis is a billable ICD-10-CM diagnosis code (E87.3). Inclusion terms: Alkalosis NOS; Metabolic alkalosis; Respiratory alkalosis. 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.3-alkalosis"},{"code":"E87.4","title":"Mixed disorder of acid-base balance","description":"Mixed disorder of acid-base balance is a billable ICD-10-CM diagnosis code (E87.4). 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.4-mixed-disorder-of-acid-base-balance"},{"code":"E87.5","title":"Hyperkalemia","description":"Hyperkalemia is a billable ICD-10-CM diagnosis code (E87.5). Inclusion terms: Potassium [K] excess; Potassium [K] overload. 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.5-hyperkalemia"},{"code":"E87.6","title":"Hypokalemia","description":"Hypokalemia is a billable ICD-10-CM diagnosis code (E87.6). Inclusion terms: Potassium [K] deficiency. 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.6-hypokalemia"},{"code":"E87.7","title":"Fluid overload","description":"Fluid overload is a non-billable ICD-10-CM category code (E87.7). A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): edema NOS (R60.9); fluid retention (R60.9); 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":false,"slug":"e87.7-fluid-overload"},{"code":"E87.70","title":"Fluid overload, unspecified","description":"Fluid overload, unspecified is a billable ICD-10-CM diagnosis code (E87.70). Excludes1 (not coded here): edema NOS (R60.9); fluid retention (R60.9); 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.70-fluid-overload-unspecified"},{"code":"E87.71","title":"Transfusion associated circulatory overload","description":"Transfusion associated circulatory overload is a billable ICD-10-CM diagnosis code (E87.71). Inclusion terms: Fluid overload due to transfusion (blood) (blood components); TACO. Excludes1 (not coded here): edema NOS (R60.9); fluid retention (R60.9); 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.71-transfusion-associated-circulatory-overload"},{"code":"E87.79","title":"Other fluid overload","description":"Other fluid overload is a billable ICD-10-CM diagnosis code (E87.79). Excludes1 (not coded here): edema NOS (R60.9); fluid retention (R60.9); 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.79-other-fluid-overload"},{"code":"E87.8","title":"Other disorders of electrolyte and fluid balance, not elsewhere classified","description":"Other disorders of electrolyte and fluid balance, not elsewhere classified is a billable ICD-10-CM diagnosis code (E87.8). Inclusion terms: Electrolyte imbalance NOS; Hyperchloremia; Hypochloremia. 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); 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 (not included here): Ehlers-Danlos syndromes (Q79.6-).","isBillable":true,"slug":"e87.8-other-disorders-of-electrolyte-and-fluid-balance-not-elsewhere-classified"}],"hierarchy":[],"relatedCodes":[],"relevantCPTCodes":[],"documentationTips":[],"caseStudies":[],"description":"","overview":""}