ICD-10-CM code · FY2027
E06.5 Other chronic thyroiditis
BillableValid for claims as a specific diagnosis code
About E06.5
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Coding notes for E06.5
Applicable to Other names for conditions reported with this code.
- Chronic fibrous thyroiditis
- Chronic thyroiditis NOS
- Ligneous thyroiditis
- Riedel thyroiditis
Also applies, from E06 Thyroiditis
Excludes1 Not coded here: never report these together with this code (use the code given instead).
- postpartum thyroiditis (O90.5)
Chapter 4 notes (apply to every code in it)
Note
- All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Related codes in E06
- E06.0 Acute thyroiditisBillable
- E06.1 Subacute thyroiditisBillable
- E06.2 Chronic thyroiditis with transient thyrotoxicosisBillable
- E06.3 Autoimmune thyroiditisBillable
- E06.4 Drug-induced thyroiditisBillable
- E06.9 Thyroiditis, unspecifiedBillable
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See 2MM+ plansICD-10-CM FY2027 code set, as published by the CDC National Center for Health Statistics (NCHS) and CMS, effective October 1, 2026 to September 30, 2027. Codes, titles and notes are shown as published. Check payer rules and the official guidelines before billing. This page is not medical advice.
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