ICD-10-CM Alphabetic Index · FY 2026 8 Entries

Croup in the ICD-10-CM Index ICD-10-CM

The main term Croup, croupous (catarrhal) (infectious) (inflammatory) (nondiphtheritic) carries 8 index entries pointing to 4 ICD-10-CM codes. The default entry is J05.0, 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
8
Index Entries
4
Codes Referenced
J05.0
Default Code
C
Letter
8 of 8 shown
ICD-10-CM

Index Entries Under Croup 8 entries · 4 codes

Croup, croupous (catarrhal) (infectious) (inflammatory) (nondiphtheritic) J05.0
bronchial J20.9
diphtheritic A36.2
false J38.5
spasmodic J38.5
diphtheritic A36.2
stridulous J38.5
diphtheritic A36.2

The info icon previews the code's description and billable status; the code link opens its full page with all notations.

Related Index Terms

All index terms starting with CIndex to Diseases and InjuriesICD-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.