G90.2
Horner's syndrome
Clinical Classification Guidelines
Inclusion Terms
- Bernard(-Horner) syndrome
- Cervical sympathetic dystrophy or paralysis
Medical Intelligence & Overview
Horner's syndrome is a condition resulting from disruption of the sympathetic nerves supplying the eye and face. It is characterized by a distinct set of signs and symptoms affecting the eye, facial skin, and pupil. Also known as Bernard-Horner syndrome, this disorder reflects underlying neurological issues and requires medical evaluation for diagnosis and management.
Causes & Symptoms
Clinical Causes: Tumors such as Pancoast tumor in the lung apex Stroke or ischemic events affecting the sympathetic pathways Trauma affecting the neck or chest areas Infections or inflammation impacting nerve pathways Surgical injuries or procedures near sympathetic nerves Multiple sclerosis or other neurological diseases Congenital abnormalities affecting nerve development Carotid artery dissection or aneurysm
Key Symptoms: Drooping of the eyelid (ptosis) Constricted pupil (miosis) Decreased sweating (anhidrosis) on the affected side of the face Redness and flushing of the face (facial vasodilation) Sunken appearance of the eyeball (enophthalmos) Possible drooping of the corner of the mouth (in some cases)
Diagnostic & Treatment
Diagnosis Path: - Additional specialized tests, including carotid ultrasound or angiography, if vascular problems are suspected.
Treatment Protocols: - Supportive measures to improve comfort and function, such as ocular lubrication for associated eyelid and eye effects.
Clinical Advice & FAQs
Billing Guidance
Is G90.2 a billable ICD-10 code?
Yes, G90.2 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report G90.2?
Clinical documentation must specify the nature of Horner's syndrome and any associated comorbidities for accurate reporting.
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