Clarifying selected CPT modifiers.
This discussion includes only 20 percent of the modifiers available for physician reporting, but could account for 80 percent of modifiers assigned for physician services. Modifier -91 was the only new modifier introduced in CPT 2000 and it is used to report a repeat clinical diagnostic laboratory test. It is not to be used when confirming initial results or for any other reason other than a clinical need to repeat the test for the same patient on the same day. Success with CPT modifier reporting requires a thorough review of CPT guidelines and some detective work for identifying health plan requirements for modified codes.
Scichilone
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D000043:Abstracting and Indexing / Q000592:standards; D014487:Centers for Medicare and Medicaid Services, U.S.; D019411:Clinical Laboratory Techniques / Q000145:classification / Q000191:economics; D005568:Forms and Records Control; D006801:Humans; D007344:Insurance Claim Reporting / Q000145:classification*; D008499:Medical Records / Q000145:classification*; D013812:Therapeutics / Q000145:classification; D014481:United States