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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