ICD-10-CM Alphabetic Index · FY 2027 9 Entries
Overgrowth in the ICD-10-CM Index ICD-10-CM
The main term Overgrowth carries 9 index entries pointing to 5 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 2027 index fileEffective Oct 1, 2026 – Sep 30, 2027
9
Index Entries
5
Codes Referenced
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Default Code
O
Letter
9 of 9 shown
ICD-10-CM
Index Entries Under Overgrowth 9 entries · 5 codes
Overgrowth
bacterial
small intestinal K63.8219
hydrogen-subtype K63.8211
hydrogen sulfide-subtype K63.8212
bone see Hypertrophy, bone
fungal
small intestinal K63.822
intestinal methanogen K63.829
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2027 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2026 through September 30, 2027.
