ICD-10 Code H05.043 – Tenonitis of bilateral orbits (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code H05.043 – Tenonitis of bilateral orbits
What it is
H05.043 identifies inflammation of Tenon’s capsule in both orbits. Use it when documentation specifically states tenonitis affecting the bilateral eye sockets.
Clinical signs
Clinical features vary; refer to documentation. Typical notes may mention orbital pain, tenderness, redness, or discomfort with eye movement, but you should code only what is documented.
When to use this code
Use H05.043 when the provider diagnoses tenonitis and clearly documents involvement of both orbits. It is appropriate for problem lists, encounter diagnoses, or specialty notes that name bilateral orbital inflammation. If the laterality is not stated, check documentation before assigning a bilateral code.
Do not use for
Do not use this code for unspecified orbital inflammation or for conditions limited to one orbit. If the record describes another orbital disorder or the diagnosis is unclear, check documentation.
Coding tip
Confirm both the diagnosis and bilateral laterality in the provider’s note before coding H05.043.