ICD-10-CM Alphabetic Index · FY 2026 31 Entries
Thyroiditis in the ICD-10-CM Index ICD-10-CM
The main term Thyroiditis carries 31 index entries pointing to 9 ICD-10-CM codes. The default entry is E06.9, 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
31
Index Entries
9
Codes Referenced
E06.9
Default Code
T
Letter
31 of 31 shown
ICD-10-CM
Index Entries Under Thyroiditis 31 entries · 9 codes
Thyroiditis E06.9
acute (nonsuppurative) (pyogenic) (suppurative) E06.0
autoimmune E06.3
chronic (nonspecific) (sclerosing) E06.5
with thyrotoxicosis, transient E06.2
fibrous E06.5
lymphadenoid E06.3
lymphocytic E06.3
lymphoid E06.3
de Quervain's E06.1
drug-induced E06.4
fibrous (chronic) E06.5
giant-cell (follicular) E06.1
granulomatous (de Quervain) (subacute) E06.1
Hashimoto's (struma lymphomatosa) E06.3
iatrogenic E06.4
ligneous E06.5
lymphocytic (chronic) E06.3
lymphoid E06.3
lymphomatous E06.3
nonsuppurative E06.1
postpartum, puerperal O90.5
pseudotuberculous E06.1
pyogenic E06.0
radiation E06.4
Riedel's E06.5
subacute (granulomatous) E06.1
suppurative E06.0
tuberculous A18.81
viral E06.1
woody E06.5
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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.
