ICD-10-CM Alphabetic Index · FY 2026 7 Entries

Cephalgia in the ICD-10-CM Index ICD-10-CM

The main term Cephalgia, cephalalgia carries 7 index entries pointing to 4 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

Index Entries

Codes Referenced

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7 of 7 shown

ICD-10-CM

Index Entries Under Cephalgia 7 entries · 4 codes

Cephalgia, cephalalgia

histamine G44.009

intractable G44.001

not intractable G44.009

trigeminal autonomic (TAC) NEC G44.099

intractable G44.091

not intractable G44.099

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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.