A-scan biometry is essential before cataract surgery.
๐น What is A-Scan?
Measures:
- Axial length of eye
- Helps calculate intraocular lens (IOL)
๐น CPT Codes
- 76519 โ Ophthalmic biometry (A-scan + calculation)
- 92136 โ Optical biometry (modern method)
๐น Billing Rules
- Usually done once per eye before surgery
- Included in pre-op planning
- May fall under global surgical package
๐น Common Mistakes
- Billing multiple times without medical reason
- Missing laterality (RT/LT)
