ICD-10 Diagnosis Code E87.1

Hypo-osmolality and hyponatremia

Diagnosis Code E87.1

ICD-10: E87.1
Short Description: Hypo-osmolality and hyponatremia
Long Description: Hypo-osmolality and hyponatremia
This is the 2018 version of the ICD-10-CM diagnosis code E87.1

Valid for Submission
The code E87.1 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Endocrine, nutritional and metabolic diseases (E00–E90)
    • Metabolic disorders (E70-E88)
      • Other disorders of fluid, electrolyte and acid-base balance (E87)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code E87.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Acute hyponatremia
  • Central nervous system disorder of water regulation
  • Cerebral hyponatremia
  • Chronic hyponatremia
  • Dietary sodium - low
  • Dilutional hyponatremia
  • Drug-induced hyponatremia
  • Hyponatremia
  • Hyponatremia with decreased serum osmolality
  • Hyponatremia with excess extracellular fluid volume
  • Hyponatremia with extracellular fluid depletion
  • Hyponatremia with normal extracellular fluid volume
  • Hypo-osmolality and or hyponatremia
  • Hyposmolality
  • Hyposmolality syndrome
  • Hypotonic disorder
  • Inadequate sodium intake
  • Paraneoplastic hyponatremia
  • Pseudohyponatremia
  • Sodium deficiency

Index of Diseases and Injuries
References found for the code E87.1 in the Index of Diseases and Injuries:

Information for Patients

Fluid and Electrolyte Balance

Electrolytes are minerals in your body that have an electric charge. They are in your blood, urine and body fluids. Maintaining the right balance of electrolytes helps your body's blood chemistry, muscle action and other processes. Sodium, calcium, potassium, chlorine, phosphate and magnesium are all electrolytes. You get them from the foods you eat and the fluids you drink.

Levels of electrolytes in your body can become too low or too high. That can happen when the amount of water in your body changes, causing dehydration or overhydration. Causes include some medicines, vomiting, diarrhea, sweating or kidney problems. Problems most often occur with levels of sodium, potassium or calcium.

  • Aldosterone blood test (Medical Encyclopedia)
  • Antidiuretic hormone blood test (Medical Encyclopedia)
  • Basic metabolic panel (Medical Encyclopedia)
  • Electrolytes (Medical Encyclopedia)
  • Fluid imbalance (Medical Encyclopedia)
  • Hypomagnesemia (Medical Encyclopedia)
  • Osmolality - blood (Medical Encyclopedia)
  • Urine specific gravity test (Medical Encyclopedia)



Also called: Salt

Table salt is a combination of two minerals - sodium and chloride Your body needs some sodium to work properly. It helps with the function of nerves and muscles. It also helps to keep the right balance of fluids in your body. Your kidneys control how much sodium is in your body. If you have too much and your kidneys can't get rid it, sodium builds up in your blood. This can lead to high blood pressure. High blood pressure can lead to other health problems.

Most people in the U.S. get more sodium in their diets than they need. A key to healthy eating is choosing foods low in sodium. The Dietary Guidelines recommend that most adults eat less than 2.3 grams per day. That equals about 1 teaspoon of table salt a day. Some people are more sensitive to the effects of salt than others and should eat less. This includes people who have high blood pressure, diabetes, or kidney problems, or are African-American or over age 50. Reading food labels can help you see how much sodium is in prepared foods.

NIH: National Heart, Lung, and Blood Institute

  • Cooking without salt (Medical Encyclopedia)
  • Low sodium level (Medical Encyclopedia)
  • Low-salt diet (Medical Encyclopedia)
  • Sodium blood test (Medical Encyclopedia)
  • Sodium in diet (Medical Encyclopedia)

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