G2064 HCPCS - COMPREHENSIVE CARE MANAGEMENT SERVICES FOR A SINGLE HIGH-RISK DISEASE, E.G., PRINCIPAL CARE MANAGEMENT, AT LEAST 30 MINUTES OF PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL TIME PER CALENDAR MONTH WITH THE FOLLOWING ELEMENTS: ONE COMPLEX CHRONIC CONDITION LASTING AT LEAST 3 MONTHS, WHICH IS THE FOCUS OF THE CARE PLAN, THE CONDITION IS OF SUFFICIENT SEVERITY TO PLACE PATIENT AT RISK OF HOSPITALIZATION OR HAVE BEEN THE CAUSE OF A RECENT HOSPITALIZATION, THE CONDITION REQUIRES DEVELOPMENT OR REVISION OF DISEASE-SPECIFIC CARE PLAN, THE CONDITION REQUIRES FREQUENT ADJUSTMENTS IN THE MEDICATION REGIMEN, AND/OR THE MANAGEMENT OF THE CONDITION IS UNUSUALLY COMPLEX DUE TO COMORBIDITIES