Punctate keratitis, left eye

This code signifies an inflammatory condition of the left cornea characterized by scattered, pinpoint lesions or erosions on its surface. These lesions are typically superficial and can be caused by various factors, including viral infections, dry eye, or exposure to irritants.

Assign this code when documentation specifies punctate keratitis affecting the left eye. This diagnosis is often made via slit lamp examination revealing the characteristic corneal findings. Supporting documentation should clearly indicate the laterality.

• Differentiate from other forms of keratitis (e.g., ulcerative, filamentary) based on documentation.
• Always specify laterality (left, right, bilateral, or unspecified) as indicated in the medical record.
• Look for an underlying cause (e.g., viral conjunctivitis, dry eye syndrome) to code concurrently if documented.