Subacute thyroiditis
- E06.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2025 edition of ICD-10-CM E06.1 became effective on October 1, 2024.
- This is the American ICD-10-CM version of E06.1 – other international versions of ICD-10 E06.1 may differ.
Applicable To
- de Quervain thyroiditis
- Giant-cell thyroiditis
- Granulomatous thyroiditis
- Nonsuppurative thyroiditis
- Viral thyroiditis
Type 1 Excludes
- autoimmune thyroiditis (E06.3)
The following code(s) above E06.1 contain annotation back-references
that may be applicable to E06.1:
Approximate Synonyms
- Thyroiditis, subacute
Clinical Information
- Self-limited inflammation of the thyroid gland characterized by the presence of multinucleated giant cells. Patients present with neck pain, often associated with fever and dysphagia. The clinical course includes an initial phase of hyperthyroidism, followed by a phase of hypothyroidism, and eventually a return to normal thyroid function.
- Spontaneously remitting inflammatory condition of the thyroid gland, characterized by fever; muscle weakness; sore throat; severe thyroid pain; and an enlarged damaged gland containing giant cells. The disease frequently follows a viral infection.
ICD-10-CM E06.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):
- 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
- 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
- 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
- 643 Endocrine disorders with mcc
- 644 Endocrine disorders with cc
- 645 Endocrine disorders without cc/mcc
Convert E06.1 to ICD-9-CMCode History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Diagnosis Index entries containing back-references to E06.1:
- De Quervain’s
- thyroiditis E06.1 (subacute granulomatous thyroiditis)
- Disease, diseased – see also Syndrome
- de Quervain’s (tendon sheath) M65.4
- thyroid E06.1 (subacute granulomatous thyroiditis)
- de Quervain’s (tendon sheath) M65.4
- Quervain’s diseaseM65.4
- thyroid E06.1
- ThyroiditisE06.9
- de Quervain’s E06.1
- giant-cell E06.1 (follicular)
- granulomatous E06.1 (de Quervain) (subacute)
- nonsuppurative E06.1
- pseudotuberculous E06.1
- subacute E06.1 (granulomatous)
- viral E06.1