ATS Coding & Billing QuarterlyThe ATS Coding & Billing Quarterly newsletter summarizes key information on coding, billing, documentation and regulation policy changes that are relevant to clinicians in respiratory, critical care and sleep medicine. The quarterly publication, which is mailed to ATS members who practice in the U.S., covers issues such as new CPT and ICD-9-CM codes, changing CPT and ICD-9-CM nomenclature and numbering, regulatory policies and Medicare coverage of pulmonary patients. 20092008 | 
