4A1: Monitoring — Physiological SystemsDetermining the level of a physiological or physical function repetitively over a period of time
0 Central Nervous0 Open2 Conductivity; B PressureZ No Qualifier0 Central Nervous0 Open4 Electrical ActivityG Intraoperative; Z No Qualifier0 Central Nervous3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic4 Electrical ActivityG Intraoperative; Z No Qualifier0 Central Nervous3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening EndoscopicB Pressure; K Temperature; R SaturationD Intracranial0 Central NervousX External2 ConductivityZ No Qualifier0 Central NervousX External4 Electrical ActivityG Intraoperative; Z No Qualifier1 Peripheral Nervous0 Open; 3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic; X External2 Conductivity9 Sensory; B Motor1 Peripheral Nervous0 Open; 3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic; X External4 Electrical ActivityG Intraoperative; Z No Qualifier2 Cardiac0 Open; 3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic4 Electrical Activity; 9 Output; C Rate; F Rhythm; H SoundZ No Qualifier2 CardiacX External4 Electrical Activity5 Ambulatory; Z No Qualifier2 CardiacX External9 Output; C Rate; F Rhythm; H SoundZ No Qualifier2 CardiacX ExternalM Total Activity4 Stress2 CardiacX ExternalS Vascular PerfusionH Indocyanine Green Dye3 Arterial0 Open; 3 Percutaneous5 Flow; B Pressure; J Pulse1 Peripheral; 3 Pulmonary; C Coronary3 Arterial0 Open; 3 PercutaneousH Sound; R Saturation1 Peripheral3 ArterialX External5 Flow; B Pressure; H Sound; J Pulse; R Saturation1 Peripheral4 Venous0 Open; 3 Percutaneous5 Flow; B Pressure; J Pulse0 Central; 1 Peripheral; 2 Portal; 3 Pulmonary4 Venous0 Open; 3 PercutaneousR Saturation0 Central; 2 Portal; 3 Pulmonary4 VenousX External5 Flow; B Pressure; J Pulse1 Peripheral6 Lymphatic0 Open; 3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic5 FlowH Indocyanine Green Dye; Z No Qualifier6 Lymphatic0 Open; 3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening EndoscopicB PressureZ No Qualifier9 Respiratory7 Via Natural or Artificial Opening; X External1 Capacity; 5 Flow; C Rate; D Resistance; L VolumeZ No QualifierB Gastrointestinal7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic8 Motility; B Pressure; G SecretionZ No QualifierB GastrointestinalX ExternalS Vascular PerfusionH Indocyanine Green DyeD Urinary7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic3 Contractility; 5 Flow; B Pressure; D Resistance; L VolumeZ No QualifierG Skin and BreastX ExternalS Vascular PerfusionH Indocyanine Green DyeH Products of Conception, Cardiac7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic; X External4 Electrical Activity; C Rate; F Rhythm; H SoundZ No QualifierJ Products of Conception, Nervous7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic; X External2 Conductivity; 4 Electrical Activity; B PressureZ No QualifierZ None7 Via Natural or Artificial OpeningK TemperatureZ No QualifierZ NoneX ExternalK Temperature; Q SleepZ No Qualifier