ICD-10-CM Alphabetic Index · FY 2026 12 Entries
Flat in the ICD-10-CM Index ICD-10-CM
The main term Flat carries 12 index entries pointing to 8 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
12
Index Entries
8
Codes Referenced
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Default Code
F
Letter
12 of 12 shown
ICD-10-CM
Index Entries Under Flat 12 entries · 8 codes
Flat
affect R45.89
chamber (eye) see Disorder, globe, hypotony, flat anterior chamber
chest, congenital Q67.8
foot (acquired) (fixed type) (painful) (postural) see also Deformity, limb, flat foot
congenital (rigid) (spastic (everted)) Q66.5- Non-billable
rachitic sequelae (late effect) E64.3
organ or site, congenital NEC see Anomaly, by site
pelvis M95.5
with disproportion (fetopelvic) O33.0
causing obstructed labor O65.0
congenital 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.
