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ICD-10-CM Code E87.0
Hyperosmolality and hypernatremia

Billable Code
Billable codes are sufficient justification for admission to an acute care hospital when used a principal diagnosis.
| ICD-10 from 2011 - 2016

E87.0 is a billable ICD code used to specify a diagnosis of hyperosmolality and hypernatremia. A 'billable code' is detailed enough to be used to specify a medical diagnosis.

The ICD code E870 is used to code Hypernatremia

Hypernatremia or hypernatraemia is an elevated sodium level in the blood, specifically a serum level above 145 mEq/L. Hypernatremia is generally not caused by an excess of sodium, but rather by a relative deficit of free water in the body. For this reason, hypernatremia often coincides with dehydration.

Specialty: Endocrinology
ICD 9 Code: 276.0
Source: Wikipedia

Coding Notes for E87.0 Info for medical coders on how to properly use this ICD-10 code

Inclusion Terms:
Inclusion Terms
Inclusion Terms are a list of concepts for which a specific code is used. The list of Inclusion Terms is useful for determining the correct code in some cases, but the list is not necessarily exhaustive.
Sodium [Na] excess
Sodium [Na] overload

MS-DRG Mapping

  • DRG Group #640-641 - Misc disorders of nutrition, metabolism, fluids or electrolytes with MCC.
  • DRG Group #640-641 - Misc disorders of nutrition, metabolism, fluids or electrolytes without MCC.
  • DRG Group #793 - Full term neonate with major problems.

ICD-10-CM Alphabetical Index References for 'E87.0 - Hyperosmolality and hypernatremia'

The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code E87.0. Click on any term below to browse the alphabetical index.

Hypernatremia (E87.0)
Hyperosmolality (E87.0)


Hyperosmolality and/or hypernatremia (exact match)

This is the official exact match mapping between ICD9 and ICD10, as provided by the General Equivalency mapping crosswalk. This means that in all cases where the ICD9 code 276.0 was previously used, E87.0 is the appropriate modern ICD10 code.

Parent Code: E87 - Other disorders of fluid, electrolyte and acid-base balance

** This Document Provided By ICD.Codes **
Source: http://icd.codes/icd10cm/E870