ICD-10-CM Alphabetic Index · FY 2026 24 Entries

Imbalance in the ICD-10-CM Index ICD-10-CM

The main term Imbalance carries 24 index entries pointing to 15 ICD-10-CM codes. The default entry is R26.89, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.

✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
24
Index Entries
15
Codes Referenced
R26.89
Default Code
I
Letter
24 of 24 shown
ICD-10-CM

Index Entries Under Imbalance 24 entries · 15 codes

Imbalance R26.89
autonomic G90.89
constituents of food intake E63.1
electrolyte E87.8
with
abortion see Abortion by type, complicated by, electrolyte imbalance
molar pregnancy O08.5
due to hyperemesis gravidarum O21.1
following ectopic or molar pregnancy O08.5
neonatal, transitory NEC P74.49
potassium
hyperkalemia P74.31
hypokalemia P74.32
sodium
hypernatremia P74.21
hyponatremia P74.22
endocrine E34.9
eye muscle NOS H50.9
hormone E34.9
hysterical F44.4
labyrinth see subcategory H83.2
posture R29.3
protein-energy see Malnutrition
sympathetic G90.89

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Related Index Terms

Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.