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

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Other disorders of fluid, electrolyte and acid-base balance is E87 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
E70-E88: Metabolic disorders (E70-E88)
Category E87
17 codes (14 billable)
FY2026 Status
Stable since FY2024
Excludes1
Not coded here. These conditions should NOT be coded together with E87.
  • 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)

Official Coding Guidelines

Diabetes mellitus (TOC entry)

a. Diabetes mellitus ................................................................................................................... 39

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.4.a
Obesity (TOC entry)

b. Obesity .................................................................................................................................. 42

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.4.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Cite This Page

Reference E87 with the canonical source and edition:

E87 — Other disorders of fluid, electrolyte and acid-base balance. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/E87

Canonical URL: https://icd10codingpro.com/codes/E87

Related Codes

More Specific Codes

E87.0 Hyperosmolality and hypernatremia E87.1 Hypo-osmolality and hyponatremia E87.2 Acidosis E87.3 Alkalosis E87.4 Mixed disorder of acid-base balance E87.5 Hyperkalemia E87.6 Hypokalemia E87.7 Fluid overload E87.8 Other disorders of electrolyte and fluid balance, not elsewhere classified

All Codes in E87

Every most-specific code under E87 Other disorders of fluid, electrolyte and acid-base balance (14 codes):

Show the complete E87 code list
E87.0 Hyperosmolality and hypernatremia E87.1 Hypo-osmolality and hyponatremia 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 E87.70 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
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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