CMS Updates List of ICD-9-CM Diagnosis Codes Not Needing the Q0 HCPCS Modifier The Centers for Medicare and Medicaid Services has updated the list of ICD-9-CM diagnosis codes that do not require ...

CMS has announced the addition of four codes with modifiers that are subject to Clinical Laboratory Improvement Amendments (CLIA) edits. The HCPCS codes listed below were new in 2011, are subject to ...