ICD-10-CM Alphabetic Index · FY 2026 17 Entries

Regurgitation in the ICD-10-CM Index ICD-10-CM

The main term Regurgitation carries 17 index entries pointing to 7 ICD-10-CM codes. The default entry is R11.10, 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

Index Entries

Codes Referenced

R11.10

Default Code

Letter

17 of 17 shown

ICD-10-CM

Index Entries Under Regurgitation 17 entries · 7 codes

Regurgitation R11.10

aortic (valve) see Insufficiency, aortic

food see also Vomiting

with reswallowing see Rumination

newborn P92.1

gastric contents see Vomiting

heart see Endocarditis

mitral (valve) see Insufficiency, mitral

congenital Q23.3

myocardial see Endocarditis

pulmonary (valve) (heart) I37.1

congenital Q22.2

syphilitic A52.03

tricuspid see Insufficiency, tricuspid

valve, valvular see Endocarditis

congenital Q24.8

vesicoureteral see Reflux, vesicoureteral

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Related Index Terms

Reflux Rumination Vomiting All index terms starting with R Index to Diseases and Injuries ICD-10-CM Code Lookup

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.