2026 ICD-10-CM Diagnosis Code H05.839
Thyroid orbitopathy, unspecified orbit
- ICD-10-CM Code:
- H05.839
- ICD-10 Code for:
- Thyroid orbitopathy, unspecified orbit
- Is Billable?
- Yes - Valid for Submission
- Code Navigator:
H05.839 is a billable diagnosis code used to specify a medical diagnosis of thyroid orbitopathy, unspecified orbit. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2025 through September 30, 2026.
Unspecified diagnosis codes like H05.839 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
New 2026 ICD-10-CM Code
H05.839 is new to ICD-10-CM code set for the FY 2026, effective October 1, 2025. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2025. This is a new and revised code for the FY 2026 (October 1, 2025 - September 30, 2026).
Replacement Code
H05839 replaces the following previously assigned ICD-10-CM code(s):
- H05.83 - Thyroid orbitopathy
Code History
- FY 2026 - Code Added, effective from 10/1/2025 through 9/30/2026
