4A0: Measurement — Physiological SystemsDetermining the level of a physiological or physical function at a point in time
0 Central Nervous0 Open2 Conductivity; 4 Electrical Activity; B PressureZ No Qualifier0 Central Nervous3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic4 Electrical ActivityZ 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 Conductivity; 4 Electrical ActivityZ 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 ActivityZ 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 Sound; P Action CurrentsZ No Qualifier2 Cardiac0 Open; 3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening EndoscopicN Sampling and Pressure6 Right Heart; 7 Left Heart; 8 Bilateral2 CardiacX External4 Electrical ActivityA Guidance; Z No Qualifier2 CardiacX External9 Output; C Rate; F Rhythm; H Sound; P Action CurrentsZ No Qualifier2 CardiacX ExternalM Total Activity4 Stress3 Arterial0 Open; 3 Percutaneous5 Flow; J Pulse1 Peripheral; 3 Pulmonary; C Coronary3 Arterial0 Open; 3 PercutaneousB Pressure1 Peripheral; 3 Pulmonary; C Coronary; F Other Thoracic3 Arterial0 Open; 3 PercutaneousH Sound; R Saturation1 Peripheral3 ArterialX External5 Flow1 Peripheral; D Intracranial3 ArterialX ExternalB 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 Saturation1 Peripheral4 Venous4 Percutaneous EndoscopicB Pressure2 Portal4 VenousX External5 Flow; B Pressure; J Pulse; R Saturation1 Peripheral5 CirculatoryX ExternalL VolumeZ No Qualifier6 Lymphatic0 Open; 3 Percutaneous; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic5 Flow; B PressureZ No Qualifier7 VisualX External0 Acuity; 7 Mobility; B PressureZ No Qualifier8 OlfactoryX External0 AcuityZ No Qualifier9 Respiratory7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic; X External1 Capacity; 5 Flow; C Rate; D Resistance; L Volume; M Total ActivityZ No QualifierB Gastrointestinal7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic8 Motility; B Pressure; G SecretionZ No QualifierC Biliary3 Percutaneous; 4 Percutaneous Endoscopic; 7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic5 Flow; B PressureZ No QualifierD Urinary7 Via Natural or Artificial Opening; 8 Via Natural or Artificial Opening Endoscopic3 Contractility; 5 Flow; B Pressure; D Resistance; L VolumeZ No QualifierF Musculoskeletal3 Percutaneous3 ContractilityZ No QualifierF Musculoskeletal3 PercutaneousB PressureE CompartmentF MusculoskeletalX External3 ContractilityZ No QualifierH 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 Opening6 Metabolism; K TemperatureZ No QualifierZ NoneX External6 Metabolism; K Temperature; Q SleepZ No Qualifier