ICD-10-CM Alphabetic Index · FY 2026 6 Entries

Formation in the ICD-10-CM Index ICD-10-CM

The main term Formation carries 6 index entries pointing to 2 ICD-10-CM codes. 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
6
Index Entries
2
Codes Referenced
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Default Code
F
Letter
6 of 6 shown
ICD-10-CM

Index Entries Under Formation 6 entries · 2 codes

Formation
hyalin in cornea see Degeneration, cornea
sequestrum in bone (due to infection) see Osteomyelitis, chronic
valve
colon, congenital Q43.8
ureter (congenital) Q62.39

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Related Index Terms

All index terms starting with FIndex 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.