AMA CPT® Assistant - 2011 Issue 3 (March)

Category III Codes (Q & A) (March 2011)

March 2011 page 10d Category III Codes Question: Is ocular blood flow measurement an integral component of code 92120, Tonography with interpretation and report, recording indentation tonometer method or perilimbal suction method? Answer: No. The test described in code 92120 measures aqueous outflow, not ocular blood flow. Therefore, it is appropriate to report Category III code 0198T, Measurement of ocular blood flow by repetitive intraocular pressure sampling, with interpretation and report, for ocular blood flow measurement. ♦ Category III Codes (Q & A) (March 2011). CPT® Assistant. 2011; March 2011 page 10d ...

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CPT® Assistant content is the official source for CPT® coding guidance. It is an instrumental tool when appealing insurance denials and validating coding to auditors. Monthly issues and an extensive archive provide comprehensive guidance on proper CPT® coding for past, present and upcoming code set releases. Archives date back to 1990 for historical use of codes, changes, rationales, coding tips and trends in the industry.

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