Cyst of bilateral orbits

This code signifies the presence of a fluid-filled sac or abnormal growth within the orbital cavity affecting both eyes. These cysts can arise from various origins, including congenital anomalies, inflammatory processes, or trauma, and may impinge on ocular structures.

Apply this code when documentation explicitly states a cyst is present in both the right and left orbits. This diagnosis is typically supported by imaging studies such as CT or MRI scans, along with ophthalmological examination findings.

• Ensure documentation specifies "bilateral" involvement; otherwise, laterality-specific codes should be used.
• Do not use this code if the cyst is described as being on the eyelid or conjunctiva; these have distinct codes.
• If the specific type of orbital cyst is known (e.g., dermoid, mucocele), a more specific code from the H05.8- category may be available and should be prioritized.