ICD-10-CM Alphabetic Index · FY 2026 14 Entries
Maldevelopment in the ICD-10-CM Index ICD-10-CM
The main term Maldevelopment carries 14 index entries pointing to 10 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
14
Index Entries
10
Codes Referenced
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Default Code
M
Letter
14 of 14 shown
ICD-10-CM
Index Entries Under Maldevelopment 14 entries · 10 codes
Maldevelopment
brain Q07.9
colon Q43.9
hip Q74.2
congenital dislocation Q65.2
bilateral Q65.1
unilateral Q65.0 Non-billable
mastoid process Q75.8
middle ear Q16.4
except ossicles Q16.4
ossicles Q16.3
ossicles Q16.3
spine Q76.49
toe Q74.2
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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.
