Physiological Systems, Monitoring

Codes in table 4A1

Every code is billable. The 7 characters spell out section, body system, operation, body part, approach, device and qualifier.

• 4A1002ZMonitoring of Central Nervous Conductivity, Open Approach
• 4A1004GMonitoring of Central Nervous Electrical Activity, Intraoperative, Open Approach
• 4A1004ZMonitoring of Central Nervous Electrical Activity, Open Approach
• 4A100BZMonitoring of Central Nervous Pressure, Open Approach
• 4A1034GMonitoring of Central Nervous Electrical Activity, Intraoperative, Percutaneous Approach
• 4A1034ZMonitoring of Central Nervous Electrical Activity, Percutaneous Approach
• 4A103BDMonitoring of Intracranial Pressure, Percutaneous Approach
• 4A103KDMonitoring of Intracranial Temperature, Percutaneous Approach
• 4A103RDMonitoring of Intracranial Saturation, Percutaneous Approach
• 4A1074GMonitoring of Central Nervous Electrical Activity, Intraoperative, Via Natural or Artificial Opening
• 4A1074ZMonitoring of Central Nervous Electrical Activity, Via Natural or Artificial Opening
• 4A107BDMonitoring of Intracranial Pressure, Via Natural or Artificial Opening
• 4A107KDMonitoring of Intracranial Temperature, Via Natural or Artificial Opening
• 4A107RDMonitoring of Intracranial Saturation, Via Natural or Artificial Opening
• 4A1084GMonitoring of Central Nervous Electrical Activity, Intraoperative, Via Natural or Artificial Opening Endoscopic
• 4A1084ZMonitoring of Central Nervous Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A108BDMonitoring of Intracranial Pressure, Via Natural or Artificial Opening Endoscopic
• 4A108KDMonitoring of Intracranial Temperature, Via Natural or Artificial Opening Endoscopic
• 4A108RDMonitoring of Intracranial Saturation, Via Natural or Artificial Opening Endoscopic
• 4A10X2ZMonitoring of Central Nervous Conductivity, External Approach
• 4A10X4GMonitoring of Central Nervous Electrical Activity, Intraoperative, External Approach
• 4A10X4ZMonitoring of Central Nervous Electrical Activity, External Approach
• 4A11029Monitoring of Peripheral Nervous Conductivity, Sensory, Open Approach
• 4A1102BMonitoring of Peripheral Nervous Conductivity, Motor, Open Approach
• 4A1104GMonitoring of Peripheral Nervous Electrical Activity, Intraoperative, Open Approach
• 4A1104ZMonitoring of Peripheral Nervous Electrical Activity, Open Approach
• 4A11329Monitoring of Peripheral Nervous Conductivity, Sensory, Percutaneous Approach
• 4A1132BMonitoring of Peripheral Nervous Conductivity, Motor, Percutaneous Approach
• 4A1134GMonitoring of Peripheral Nervous Electrical Activity, Intraoperative, Percutaneous Approach
• 4A1134ZMonitoring of Peripheral Nervous Electrical Activity, Percutaneous Approach
• 4A11729Monitoring of Peripheral Nervous Conductivity, Sensory, Via Natural or Artificial Opening
• 4A1172BMonitoring of Peripheral Nervous Conductivity, Motor, Via Natural or Artificial Opening
• 4A1174GMonitoring of Peripheral Nervous Electrical Activity, Intraoperative, Via Natural or Artificial Opening
• 4A1174ZMonitoring of Peripheral Nervous Electrical Activity, Via Natural or Artificial Opening
• 4A11829Monitoring of Peripheral Nervous Conductivity, Sensory, Via Natural or Artificial Opening Endoscopic
• 4A1182BMonitoring of Peripheral Nervous Conductivity, Motor, Via Natural or Artificial Opening Endoscopic
• 4A1184GMonitoring of Peripheral Nervous Electrical Activity, Intraoperative, Via Natural or Artificial Opening Endoscopic
• 4A1184ZMonitoring of Peripheral Nervous Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A11X29Monitoring of Peripheral Nervous Conductivity, Sensory, External Approach
• 4A11X2BMonitoring of Peripheral Nervous Conductivity, Motor, External Approach
• 4A11X4GMonitoring of Peripheral Nervous Electrical Activity, Intraoperative, External Approach
• 4A11X4ZMonitoring of Peripheral Nervous Electrical Activity, External Approach
• 4A1204ZMonitoring of Cardiac Electrical Activity, Open Approach
• 4A1209ZMonitoring of Cardiac Output, Open Approach
• 4A120CZMonitoring of Cardiac Rate, Open Approach
• 4A120FZMonitoring of Cardiac Rhythm, Open Approach
• 4A120HZMonitoring of Cardiac Sound, Open Approach
• 4A1234ZMonitoring of Cardiac Electrical Activity, Percutaneous Approach
• 4A1239ZMonitoring of Cardiac Output, Percutaneous Approach
• 4A123CZMonitoring of Cardiac Rate, Percutaneous Approach
• 4A123FZMonitoring of Cardiac Rhythm, Percutaneous Approach
• 4A123HZMonitoring of Cardiac Sound, Percutaneous Approach
• 4A1274ZMonitoring of Cardiac Electrical Activity, Via Natural or Artificial Opening
• 4A1279ZMonitoring of Cardiac Output, Via Natural or Artificial Opening
• 4A127CZMonitoring of Cardiac Rate, Via Natural or Artificial Opening
• 4A127FZMonitoring of Cardiac Rhythm, Via Natural or Artificial Opening
• 4A127HZMonitoring of Cardiac Sound, Via Natural or Artificial Opening
• 4A1284ZMonitoring of Cardiac Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A1289ZMonitoring of Cardiac Output, Via Natural or Artificial Opening Endoscopic
• 4A128CZMonitoring of Cardiac Rate, Via Natural or Artificial Opening Endoscopic
• 4A128FZMonitoring of Cardiac Rhythm, Via Natural or Artificial Opening Endoscopic
• 4A128HZMonitoring of Cardiac Sound, Via Natural or Artificial Opening Endoscopic
• 4A12X45Monitoring of Cardiac Electrical Activity, Ambulatory, External Approach
• 4A12X4ZMonitoring of Cardiac Electrical Activity, External Approach
• 4A12X9ZMonitoring of Cardiac Output, External Approach
• 4A12XCZMonitoring of Cardiac Rate, External Approach
• 4A12XFZMonitoring of Cardiac Rhythm, External Approach
• 4A12XHZMonitoring of Cardiac Sound, External Approach
• 4A12XM4Monitoring of Cardiac Stress, External Approach
• 4A12XSHMonitoring of Cardiac Vascular Perfusion using Indocyanine Green Dye, External Approach
• 4A13051Monitoring of Arterial Flow, Peripheral, Open Approach
• 4A13053Monitoring of Arterial Flow, Pulmonary, Open Approach
• 4A1305CMonitoring of Arterial Flow, Coronary, Open Approach
• 4A130B1Monitoring of Arterial Pressure, Peripheral, Open Approach
• 4A130B3Monitoring of Arterial Pressure, Pulmonary, Open Approach
• 4A130BCMonitoring of Arterial Pressure, Coronary, Open Approach
• 4A130H1Monitoring of Arterial Sound, Peripheral, Open Approach
• 4A130J1Monitoring of Arterial Pulse, Peripheral, Open Approach
• 4A130J3Monitoring of Arterial Pulse, Pulmonary, Open Approach
• 4A130JCMonitoring of Arterial Pulse, Coronary, Open Approach
• 4A130R1Monitoring of Arterial Saturation, Peripheral, Open Approach
• 4A13351Monitoring of Arterial Flow, Peripheral, Percutaneous Approach
• 4A13353Monitoring of Arterial Flow, Pulmonary, Percutaneous Approach
• 4A1335CMonitoring of Arterial Flow, Coronary, Percutaneous Approach
• 4A133B1Monitoring of Arterial Pressure, Peripheral, Percutaneous Approach
• 4A133B3Monitoring of Arterial Pressure, Pulmonary, Percutaneous Approach
• 4A133BCMonitoring of Arterial Pressure, Coronary, Percutaneous Approach
• 4A133H1Monitoring of Arterial Sound, Peripheral, Percutaneous Approach
• 4A133J1Monitoring of Arterial Pulse, Peripheral, Percutaneous Approach
• 4A133J3Monitoring of Arterial Pulse, Pulmonary, Percutaneous Approach
• 4A133JCMonitoring of Arterial Pulse, Coronary, Percutaneous Approach
• 4A133R1Monitoring of Arterial Saturation, Peripheral, Percutaneous Approach
• 4A13X51Monitoring of Arterial Flow, Peripheral, External Approach
• 4A13XB1Monitoring of Arterial Pressure, Peripheral, External Approach
• 4A13XH1Monitoring of Arterial Sound, Peripheral, External Approach
• 4A13XJ1Monitoring of Arterial Pulse, Peripheral, External Approach
• 4A13XR1Monitoring of Arterial Saturation, Peripheral, External Approach
• 4A14050Monitoring of Venous Flow, Central, Open Approach
• 4A14051Monitoring of Venous Flow, Peripheral, Open Approach
• 4A14052Monitoring of Venous Flow, Portal, Open Approach
• 4A14053Monitoring of Venous Flow, Pulmonary, Open Approach
• 4A140B0Monitoring of Venous Pressure, Central, Open Approach
• 4A140B1Monitoring of Venous Pressure, Peripheral, Open Approach
• 4A140B2Monitoring of Venous Pressure, Portal, Open Approach
• 4A140B3Monitoring of Venous Pressure, Pulmonary, Open Approach
• 4A140J0Monitoring of Venous Pulse, Central, Open Approach
• 4A140J1Monitoring of Venous Pulse, Peripheral, Open Approach
• 4A140J2Monitoring of Venous Pulse, Portal, Open Approach
• 4A140J3Monitoring of Venous Pulse, Pulmonary, Open Approach
• 4A140R0Monitoring of Venous Saturation, Central, Open Approach
• 4A140R2Monitoring of Venous Saturation, Portal, Open Approach
• 4A140R3Monitoring of Venous Saturation, Pulmonary, Open Approach
• 4A14350Monitoring of Venous Flow, Central, Percutaneous Approach
• 4A14351Monitoring of Venous Flow, Peripheral, Percutaneous Approach
• 4A14352Monitoring of Venous Flow, Portal, Percutaneous Approach
• 4A14353Monitoring of Venous Flow, Pulmonary, Percutaneous Approach
• 4A143B0Monitoring of Venous Pressure, Central, Percutaneous Approach
• 4A143B1Monitoring of Venous Pressure, Peripheral, Percutaneous Approach
• 4A143B2Monitoring of Venous Pressure, Portal, Percutaneous Approach
• 4A143B3Monitoring of Venous Pressure, Pulmonary, Percutaneous Approach
• 4A143J0Monitoring of Venous Pulse, Central, Percutaneous Approach
• 4A143J1Monitoring of Venous Pulse, Peripheral, Percutaneous Approach
• 4A143J2Monitoring of Venous Pulse, Portal, Percutaneous Approach
• 4A143J3Monitoring of Venous Pulse, Pulmonary, Percutaneous Approach
• 4A143R0Monitoring of Venous Saturation, Central, Percutaneous Approach
• 4A143R2Monitoring of Venous Saturation, Portal, Percutaneous Approach
• 4A143R3Monitoring of Venous Saturation, Pulmonary, Percutaneous Approach
• 4A14X51Monitoring of Venous Flow, Peripheral, External Approach
• 4A14XB1Monitoring of Venous Pressure, Peripheral, External Approach
• 4A14XJ1Monitoring of Venous Pulse, Peripheral, External Approach
• 4A1605HMonitoring of Lymphatic Flow using Indocyanine Green Dye, Open Approach
• 4A1605ZMonitoring of Lymphatic Flow, Open Approach
• 4A160BZMonitoring of Lymphatic Pressure, Open Approach
• 4A1635HMonitoring of Lymphatic Flow using Indocyanine Green Dye, Percutaneous Approach
• 4A1635ZMonitoring of Lymphatic Flow, Percutaneous Approach
• 4A163BZMonitoring of Lymphatic Pressure, Percutaneous Approach
• 4A1675HMonitoring of Lymphatic Flow using Indocyanine Green Dye, Via Natural or Artificial Opening
• 4A1675ZMonitoring of Lymphatic Flow, Via Natural or Artificial Opening
• 4A167BZMonitoring of Lymphatic Pressure, Via Natural or Artificial Opening
• 4A1685HMonitoring of Lymphatic Flow using Indocyanine Green Dye, Via Natural or Artificial Opening Endoscopic
• 4A1685ZMonitoring of Lymphatic Flow, Via Natural or Artificial Opening Endoscopic
• 4A168BZMonitoring of Lymphatic Pressure, Via Natural or Artificial Opening Endoscopic
• 4A1971ZMonitoring of Respiratory Capacity, Via Natural or Artificial Opening
• 4A1975ZMonitoring of Respiratory Flow, Via Natural or Artificial Opening
• 4A197CZMonitoring of Respiratory Rate, Via Natural or Artificial Opening
• 4A197DZMonitoring of Respiratory Resistance, Via Natural or Artificial Opening
• 4A197LZMonitoring of Respiratory Volume, Via Natural or Artificial Opening
• 4A19X1ZMonitoring of Respiratory Capacity, External Approach
• 4A19X5ZMonitoring of Respiratory Flow, External Approach
• 4A19XCZMonitoring of Respiratory Rate, External Approach
• 4A19XDZMonitoring of Respiratory Resistance, External Approach
• 4A19XLZMonitoring of Respiratory Volume, External Approach
• 4A1B78ZMonitoring of Gastrointestinal Motility, Via Natural or Artificial Opening
• 4A1B7BZMonitoring of Gastrointestinal Pressure, Via Natural or Artificial Opening
• 4A1B7GZMonitoring of Gastrointestinal Secretion, Via Natural or Artificial Opening
• 4A1B88ZMonitoring of Gastrointestinal Motility, Via Natural or Artificial Opening Endoscopic
• 4A1B8BZMonitoring of Gastrointestinal Pressure, Via Natural or Artificial Opening Endoscopic
• 4A1B8GZMonitoring of Gastrointestinal Secretion, Via Natural or Artificial Opening Endoscopic
• 4A1BXSHMonitoring of Gastrointestinal Vascular Perfusion using Indocyanine Green Dye, External Approach
• 4A1D73ZMonitoring of Urinary Contractility, Via Natural or Artificial Opening
• 4A1D75ZMonitoring of Urinary Flow, Via Natural or Artificial Opening
• 4A1D7BZMonitoring of Urinary Pressure, Via Natural or Artificial Opening
• 4A1D7DZMonitoring of Urinary Resistance, Via Natural or Artificial Opening
• 4A1D7LZMonitoring of Urinary Volume, Via Natural or Artificial Opening
• 4A1D83ZMonitoring of Urinary Contractility, Via Natural or Artificial Opening Endoscopic
• 4A1D85ZMonitoring of Urinary Flow, Via Natural or Artificial Opening Endoscopic
• 4A1D8BZMonitoring of Urinary Pressure, Via Natural or Artificial Opening Endoscopic
• 4A1D8DZMonitoring of Urinary Resistance, Via Natural or Artificial Opening Endoscopic
• 4A1D8LZMonitoring of Urinary Volume, Via Natural or Artificial Opening Endoscopic
• 4A1GXSHMonitoring of Skin and Breast Vascular Perfusion using Indocyanine Green Dye, External Approach
• 4A1H74ZMonitoring of Products of Conception, Cardiac Electrical Activity, Via Natural or Artificial Opening
• 4A1H7CZMonitoring of Products of Conception, Cardiac Rate, Via Natural or Artificial Opening
• 4A1H7FZMonitoring of Products of Conception, Cardiac Rhythm, Via Natural or Artificial Opening
• 4A1H7HZMonitoring of Products of Conception, Cardiac Sound, Via Natural or Artificial Opening
• 4A1H84ZMonitoring of Products of Conception, Cardiac Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A1H8CZMonitoring of Products of Conception, Cardiac Rate, Via Natural or Artificial Opening Endoscopic
• 4A1H8FZMonitoring of Products of Conception, Cardiac Rhythm, Via Natural or Artificial Opening Endoscopic
• 4A1H8HZMonitoring of Products of Conception, Cardiac Sound, Via Natural or Artificial Opening Endoscopic
• 4A1HX4ZMonitoring of Products of Conception, Cardiac Electrical Activity, External Approach
• 4A1HXCZMonitoring of Products of Conception, Cardiac Rate, External Approach
• 4A1HXFZMonitoring of Products of Conception, Cardiac Rhythm, External Approach
• 4A1HXHZMonitoring of Products of Conception, Cardiac Sound, External Approach
• 4A1J72ZMonitoring of Products of Conception, Nervous Conductivity, Via Natural or Artificial Opening
• 4A1J74ZMonitoring of Products of Conception, Nervous Electrical Activity, Via Natural or Artificial Opening
• 4A1J7BZMonitoring of Products of Conception, Nervous Pressure, Via Natural or Artificial Opening
• 4A1J82ZMonitoring of Products of Conception, Nervous Conductivity, Via Natural or Artificial Opening Endoscopic
• 4A1J84ZMonitoring of Products of Conception, Nervous Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A1J8BZMonitoring of Products of Conception, Nervous Pressure, Via Natural or Artificial Opening Endoscopic
• 4A1JX2ZMonitoring of Products of Conception, Nervous Conductivity, External Approach
• 4A1JX4ZMonitoring of Products of Conception, Nervous Electrical Activity, External Approach
• 4A1JXBZMonitoring of Products of Conception, Nervous Pressure, External Approach
• 4A1Z7KZMonitoring of Temperature, Via Natural or Artificial Opening
• 4A1ZXKZMonitoring of Temperature, External Approach
• 4A1ZXQZMonitoring of Sleep, External Approach