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

Heterochromia in the ICD-10-CM Index ICD-10-CM

The main term Heterochromia (congenital) carries 8 index entries pointing to 2 ICD-10-CM codes. The default entry is Q13.2, 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

Index Entries

Codes Referenced

Q13.2

Default Code

Letter

8 of 8 shown

ICD-10-CM

Index Entries Under Heterochromia 8 entries · 2 codes

Heterochromia (congenital) Q13.2

cataract see Cataract, complicated

cyclitis (Fuchs) see Cyclitis, Fuchs' heterochromic

hair L67.1

iritis see Cyclitis, Fuchs' heterochromic

retained metallic foreign body (nonmagnetic) see Foreign body, intraocular, old, retained

magnetic see Foreign body, intraocular, old, retained, magnetic

uveitis see Cyclitis, Fuchs' heterochromic

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Related Index Terms

Cyclitis Foreign body All index terms starting with H Index to Diseases and Injuries ICD-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.