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Optometry Coding & Billing Alert

Gonioscopy: 92020 Primer: Answer Bilateral, Dx Questions for Bulletproof Coding


- Published on Thu, Jan 19, 2012

3 answers to your frequently-asked gonioscopy questions.

There may only be one gonioscopy code, but there are several ways you can sabotage your 92020 claim.

When your optometrist performs a gonioscopy without general anesthesia, bilateral rules and reimbursable diagnoses can complicate your coding process. Tackle your coding dilemmas with these expert answers to your top gonioscopy questions.

Question 1: Is 92020 Inherently Bilateral?

Most insurance companies, including Medicare, consider 92020 (Gonioscopy [separate procedure]) a bilateral procedure code. This means that you cannot report the code twice when your optometrist performs a gonioscopy on each eye.

"Billing the service automatically implies that while you performed the service or test on both eyes, you are only allowed to bill one unit," explains David Gibson, OD, FAAO, a practicing optometrist in Lubbock, Texas.

Although CPT doesn't specifically describe the procedure as bilateral in the code descriptor, most insurers follow Medicare's lead. You can find the bilateral surgery indicators in [...]

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