ICD-10-CM Alphabetic Index · FY 2026 11 Entries

Hyperemesis in the ICD-10-CM Index ICD-10-CM

The main term Hyperemesis carries 11 index entries pointing to 6 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
11
Index Entries
6
Codes Referenced
R11.10
Default Code
H
Letter
11 of 11 shown
ICD-10-CM

Index Entries Under Hyperemesis 11 entries · 6 codes

Hyperemesis R11.10
with nausea R11.2
gravidarum (mild) O21.0
with
carbohydrate depletion O21.1
dehydration O21.1
electrolyte imbalance O21.1
metabolic disturbance O21.1
severe (with metabolic disturbance) O21.1
projectile R11.12
psychogenic F45.8

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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.