E87
Non-Billable

Other disorders of fluid, electrolyte and acid-base balance

Non-Billable / Non-Specific Code

What is Other disorders of fluid, electrolyte and acid-base balance?

ICD-10-CM E87 is the diagnosis code for Other disorders of fluid, electrolyte and acid-base balance. This code falls under the section "Metabolic disorders" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for E87

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as E87. They are mutually exclusive:

  • 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)

ICD-10-CM Code Hierarchy

Understanding where E87 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeE87 — Other disorders of fluid, electrolyte and acid-base balance
Sub-Codes 9 entries
E87.0Hyperosmolality and hypernatremiaBillableE87.1Hypo-osmolality and hyponatremiaBillableE87.2AcidosisNon-BillableE87.20Acidosis, unspecifiedBillableE87.21Acute metabolic acidosisBillableE87.22Chronic metabolic acidosisBillableE87.29Other acidosisBillableE87.3AlkalosisBillableE87.4Mixed disorder of acid-base balanceBillableE87.5HyperkalemiaBillableE87.6HypokalemiaBillableE87.7Fluid overloadNon-BillableE87.70Fluid overload, unspecifiedBillableE87.71Transfusion associated circulatory overloadBillableE87.79Other fluid overloadBillableE87.8Other disorders of electrolyte and fluid balance, not elsewhere classifiedBillable
Related Codes

Frequently Asked Questions

Is E87 a billable ICD-10-CM code?

No, E87 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does E87 mean?

E87 is the ICD-10-CM diagnosis code for "Other disorders of fluid, electrolyte and acid-base balance". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is E87 in?

E87 is located in Section E70-E88 — "Metabolic disorders" within Chapter 4 of the ICD-10-CM Tabular List.

What are the sub-codes of E87?

E87 has 9 sub-code(s) that provide more specific detail: E87.0, E87.1, E87.2, E87.3, E87.4 and more.

When should I use E87?

Use E87 when the patients documented diagnosis matches "Other disorders of fluid, electrolyte and acid-base balance" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other disorders of fluid, electrolyte and acid-base balance?

The ICD-10-CM code for Other disorders of fluid, electrolyte and acid-base balance is E87.

Can E87 be used for primary diagnosis?

No, E87 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is E87 in?

E87 is in Chapter 4 of the ICD-10-CM Tabular List.

What conditions are excluded from E87?

Type 1 Excludes for E87 include: diabetes insipidus (E23.2); electrolyte imbalance associated with hyperemesis gravidarum (O21.1); electrolyte imbalance following ectopic or molar pregnancy (O08.5) and more.

Is E87 valid for 2026?

Yes, E87 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE86.9Volume depletion, unspecifiedNext →E87.0Hyperosmolality and hypernatremia
Code Details
E87
Other disorders of fluid, electrolyte and acid-base balance
Non-Billable / Non-Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E70-E88 — Metabolic disorders
2026 ICD-10-CM