Physiological Systems, Measurement

Codes in table 4A0

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

• 4A0002ZMeasurement of Central Nervous Conductivity, Open Approach
• 4A0004ZMeasurement of Central Nervous Electrical Activity, Open Approach
• 4A000BZMeasurement of Central Nervous Pressure, Open Approach
• 4A0034ZMeasurement of Central Nervous Electrical Activity, Percutaneous Approach
• 4A003BDMeasurement of Intracranial Pressure, Percutaneous Approach
• 4A003KDMeasurement of Intracranial Temperature, Percutaneous Approach
• 4A003RDMeasurement of Intracranial Saturation, Percutaneous Approach
• 4A0074ZMeasurement of Central Nervous Electrical Activity, Via Natural or Artificial Opening
• 4A007BDMeasurement of Intracranial Pressure, Via Natural or Artificial Opening
• 4A007KDMeasurement of Intracranial Temperature, Via Natural or Artificial Opening
• 4A007RDMeasurement of Intracranial Saturation, Via Natural or Artificial Opening
• 4A0084ZMeasurement of Central Nervous Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A008BDMeasurement of Intracranial Pressure, Via Natural or Artificial Opening Endoscopic
• 4A008KDMeasurement of Intracranial Temperature, Via Natural or Artificial Opening Endoscopic
• 4A008RDMeasurement of Intracranial Saturation, Via Natural or Artificial Opening Endoscopic
• 4A00X2ZMeasurement of Central Nervous Conductivity, External Approach
• 4A00X4ZMeasurement of Central Nervous Electrical Activity, External Approach
• 4A01029Measurement of Peripheral Nervous Conductivity, Sensory, Open Approach
• 4A0102BMeasurement of Peripheral Nervous Conductivity, Motor, Open Approach
• 4A0104ZMeasurement of Peripheral Nervous Electrical Activity, Open Approach
• 4A01329Measurement of Peripheral Nervous Conductivity, Sensory, Percutaneous Approach
• 4A0132BMeasurement of Peripheral Nervous Conductivity, Motor, Percutaneous Approach
• 4A0134ZMeasurement of Peripheral Nervous Electrical Activity, Percutaneous Approach
• 4A01729Measurement of Peripheral Nervous Conductivity, Sensory, Via Natural or Artificial Opening
• 4A0172BMeasurement of Peripheral Nervous Conductivity, Motor, Via Natural or Artificial Opening
• 4A0174ZMeasurement of Peripheral Nervous Electrical Activity, Via Natural or Artificial Opening
• 4A01829Measurement of Peripheral Nervous Conductivity, Sensory, Via Natural or Artificial Opening Endoscopic
• 4A0182BMeasurement of Peripheral Nervous Conductivity, Motor, Via Natural or Artificial Opening Endoscopic
• 4A0184ZMeasurement of Peripheral Nervous Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A01X29Measurement of Peripheral Nervous Conductivity, Sensory, External Approach
• 4A01X2BMeasurement of Peripheral Nervous Conductivity, Motor, External Approach
• 4A01X4ZMeasurement of Peripheral Nervous Electrical Activity, External Approach
• 4A0204ZMeasurement of Cardiac Electrical Activity, Open Approach
• 4A0209ZMeasurement of Cardiac Output, Open Approach
• 4A020CZMeasurement of Cardiac Rate, Open Approach
• 4A020FZMeasurement of Cardiac Rhythm, Open Approach
• 4A020HZMeasurement of Cardiac Sound, Open Approach
• 4A020N6Measurement of Cardiac Sampling and Pressure, Right Heart, Open Approach
• 4A020N7Measurement of Cardiac Sampling and Pressure, Left Heart, Open Approach
• 4A020N8Measurement of Cardiac Sampling and Pressure, Bilateral, Open Approach
• 4A020PZMeasurement of Cardiac Action Currents, Open Approach
• 4A0234ZMeasurement of Cardiac Electrical Activity, Percutaneous Approach
• 4A0239ZMeasurement of Cardiac Output, Percutaneous Approach
• 4A023CZMeasurement of Cardiac Rate, Percutaneous Approach
• 4A023FZMeasurement of Cardiac Rhythm, Percutaneous Approach
• 4A023HZMeasurement of Cardiac Sound, Percutaneous Approach
• 4A023N6Measurement of Cardiac Sampling and Pressure, Right Heart, Percutaneous Approach
• 4A023N7Measurement of Cardiac Sampling and Pressure, Left Heart, Percutaneous Approach
• 4A023N8Measurement of Cardiac Sampling and Pressure, Bilateral, Percutaneous Approach
• 4A023PZMeasurement of Cardiac Action Currents, Percutaneous Approach
• 4A0274ZMeasurement of Cardiac Electrical Activity, Via Natural or Artificial Opening
• 4A0279ZMeasurement of Cardiac Output, Via Natural or Artificial Opening
• 4A027CZMeasurement of Cardiac Rate, Via Natural or Artificial Opening
• 4A027FZMeasurement of Cardiac Rhythm, Via Natural or Artificial Opening
• 4A027HZMeasurement of Cardiac Sound, Via Natural or Artificial Opening
• 4A027N6Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening
• 4A027N7Measurement of Cardiac Sampling and Pressure, Left Heart, Via Natural or Artificial Opening
• 4A027N8Measurement of Cardiac Sampling and Pressure, Bilateral, Via Natural or Artificial Opening
• 4A027PZMeasurement of Cardiac Action Currents, Via Natural or Artificial Opening
• 4A0284ZMeasurement of Cardiac Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A0289ZMeasurement of Cardiac Output, Via Natural or Artificial Opening Endoscopic
• 4A028CZMeasurement of Cardiac Rate, Via Natural or Artificial Opening Endoscopic
• 4A028FZMeasurement of Cardiac Rhythm, Via Natural or Artificial Opening Endoscopic
• 4A028HZMeasurement of Cardiac Sound, Via Natural or Artificial Opening Endoscopic
• 4A028N6Measurement of Cardiac Sampling and Pressure, Right Heart, Via Natural or Artificial Opening Endoscopic
• 4A028N7Measurement of Cardiac Sampling and Pressure, Left Heart, Via Natural or Artificial Opening Endoscopic
• 4A028N8Measurement of Cardiac Sampling and Pressure, Bilateral, Via Natural or Artificial Opening Endoscopic
• 4A028PZMeasurement of Cardiac Action Currents, Via Natural or Artificial Opening Endoscopic
• 4A02X4AMeasurement of Cardiac Electrical Activity, Guidance, External Approach
• 4A02X4ZMeasurement of Cardiac Electrical Activity, External Approach
• 4A02X9ZMeasurement of Cardiac Output, External Approach
• 4A02XCZMeasurement of Cardiac Rate, External Approach
• 4A02XFZMeasurement of Cardiac Rhythm, External Approach
• 4A02XHZMeasurement of Cardiac Sound, External Approach
• 4A02XM4Measurement of Cardiac Total Activity, External Approach
• 4A02XPZMeasurement of Cardiac Action Currents, External Approach
• 4A03051Measurement of Arterial Flow, Peripheral, Open Approach
• 4A03053Measurement of Arterial Flow, Pulmonary, Open Approach
• 4A0305CMeasurement of Arterial Flow, Coronary, Open Approach
• 4A030B1Measurement of Arterial Pressure, Peripheral, Open Approach
• 4A030B3Measurement of Arterial Pressure, Pulmonary, Open Approach
• 4A030BCMeasurement of Arterial Pressure, Coronary, Open Approach
• 4A030BFMeasurement of Arterial Pressure, Other Thoracic, Open Approach
• 4A030H1Measurement of Arterial Sound, Peripheral, Open Approach
• 4A030J1Measurement of Arterial Pulse, Peripheral, Open Approach
• 4A030J3Measurement of Arterial Pulse, Pulmonary, Open Approach
• 4A030JCMeasurement of Arterial Pulse, Coronary, Open Approach
• 4A030R1Measurement of Arterial Saturation, Peripheral, Open Approach
• 4A03351Measurement of Arterial Flow, Peripheral, Percutaneous Approach
• 4A03353Measurement of Arterial Flow, Pulmonary, Percutaneous Approach
• 4A0335CMeasurement of Arterial Flow, Coronary, Percutaneous Approach
• 4A033B1Measurement of Arterial Pressure, Peripheral, Percutaneous Approach
• 4A033B3Measurement of Arterial Pressure, Pulmonary, Percutaneous Approach
• 4A033BCMeasurement of Arterial Pressure, Coronary, Percutaneous Approach
• 4A033BFMeasurement of Arterial Pressure, Other Thoracic, Percutaneous Approach
• 4A033H1Measurement of Arterial Sound, Peripheral, Percutaneous Approach
• 4A033J1Measurement of Arterial Pulse, Peripheral, Percutaneous Approach
• 4A033J3Measurement of Arterial Pulse, Pulmonary, Percutaneous Approach
• 4A033JCMeasurement of Arterial Pulse, Coronary, Percutaneous Approach
• 4A033R1Measurement of Arterial Saturation, Peripheral, Percutaneous Approach
• 4A03X51Measurement of Arterial Flow, Peripheral, External Approach
• 4A03X5DMeasurement of Arterial Flow, Intracranial, External Approach
• 4A03XB1Measurement of Arterial Pressure, Peripheral, External Approach
• 4A03XH1Measurement of Arterial Sound, Peripheral, External Approach
• 4A03XJ1Measurement of Arterial Pulse, Peripheral, External Approach
• 4A03XR1Measurement of Arterial Saturation, Peripheral, External Approach
• 4A04050Measurement of Venous Flow, Central, Open Approach
• 4A04051Measurement of Venous Flow, Peripheral, Open Approach
• 4A04052Measurement of Venous Flow, Portal, Open Approach
• 4A04053Measurement of Venous Flow, Pulmonary, Open Approach
• 4A040B0Measurement of Venous Pressure, Central, Open Approach
• 4A040B1Measurement of Venous Pressure, Peripheral, Open Approach
• 4A040B2Measurement of Venous Pressure, Portal, Open Approach
• 4A040B3Measurement of Venous Pressure, Pulmonary, Open Approach
• 4A040J0Measurement of Venous Pulse, Central, Open Approach
• 4A040J1Measurement of Venous Pulse, Peripheral, Open Approach
• 4A040J2Measurement of Venous Pulse, Portal, Open Approach
• 4A040J3Measurement of Venous Pulse, Pulmonary, Open Approach
• 4A040R1Measurement of Venous Saturation, Peripheral, Open Approach
• 4A04350Measurement of Venous Flow, Central, Percutaneous Approach
• 4A04351Measurement of Venous Flow, Peripheral, Percutaneous Approach
• 4A04352Measurement of Venous Flow, Portal, Percutaneous Approach
• 4A04353Measurement of Venous Flow, Pulmonary, Percutaneous Approach
• 4A043B0Measurement of Venous Pressure, Central, Percutaneous Approach
• 4A043B1Measurement of Venous Pressure, Peripheral, Percutaneous Approach
• 4A043B2Measurement of Venous Pressure, Portal, Percutaneous Approach
• 4A043B3Measurement of Venous Pressure, Pulmonary, Percutaneous Approach
• 4A043J0Measurement of Venous Pulse, Central, Percutaneous Approach
• 4A043J1Measurement of Venous Pulse, Peripheral, Percutaneous Approach
• 4A043J2Measurement of Venous Pulse, Portal, Percutaneous Approach
• 4A043J3Measurement of Venous Pulse, Pulmonary, Percutaneous Approach
• 4A043R1Measurement of Venous Saturation, Peripheral, Percutaneous Approach
• 4A044B2Measurement of Venous Pressure, Portal, Percutaneous Endoscopic Approach
• 4A04X51Measurement of Venous Flow, Peripheral, External Approach
• 4A04XB1Measurement of Venous Pressure, Peripheral, External Approach
• 4A04XJ1Measurement of Venous Pulse, Peripheral, External Approach
• 4A04XR1Measurement of Venous Saturation, Peripheral, External Approach
• 4A05XLZMeasurement of Circulatory Volume, External Approach
• 4A0605ZMeasurement of Lymphatic Flow, Open Approach
• 4A060BZMeasurement of Lymphatic Pressure, Open Approach
• 4A0635ZMeasurement of Lymphatic Flow, Percutaneous Approach
• 4A063BZMeasurement of Lymphatic Pressure, Percutaneous Approach
• 4A0675ZMeasurement of Lymphatic Flow, Via Natural or Artificial Opening
• 4A067BZMeasurement of Lymphatic Pressure, Via Natural or Artificial Opening
• 4A0685ZMeasurement of Lymphatic Flow, Via Natural or Artificial Opening Endoscopic
• 4A068BZMeasurement of Lymphatic Pressure, Via Natural or Artificial Opening Endoscopic
• 4A07X0ZMeasurement of Visual Acuity, External Approach
• 4A07X7ZMeasurement of Visual Mobility, External Approach
• 4A07XBZMeasurement of Visual Pressure, External Approach
• 4A08X0ZMeasurement of Olfactory Acuity, External Approach
• 4A0971ZMeasurement of Respiratory Capacity, Via Natural or Artificial Opening
• 4A0975ZMeasurement of Respiratory Flow, Via Natural or Artificial Opening
• 4A097CZMeasurement of Respiratory Rate, Via Natural or Artificial Opening
• 4A097DZMeasurement of Respiratory Resistance, Via Natural or Artificial Opening
• 4A097LZMeasurement of Respiratory Volume, Via Natural or Artificial Opening
• 4A097MZMeasurement of Respiratory Total Activity, Via Natural or Artificial Opening
• 4A0981ZMeasurement of Respiratory Capacity, Via Natural or Artificial Opening Endoscopic
• 4A0985ZMeasurement of Respiratory Flow, Via Natural or Artificial Opening Endoscopic
• 4A098CZMeasurement of Respiratory Rate, Via Natural or Artificial Opening Endoscopic
• 4A098DZMeasurement of Respiratory Resistance, Via Natural or Artificial Opening Endoscopic
• 4A098LZMeasurement of Respiratory Volume, Via Natural or Artificial Opening Endoscopic
• 4A098MZMeasurement of Respiratory Total Activity, Via Natural or Artificial Opening Endoscopic
• 4A09X1ZMeasurement of Respiratory Capacity, External Approach
• 4A09X5ZMeasurement of Respiratory Flow, External Approach
• 4A09XCZMeasurement of Respiratory Rate, External Approach
• 4A09XDZMeasurement of Respiratory Resistance, External Approach
• 4A09XLZMeasurement of Respiratory Volume, External Approach
• 4A09XMZMeasurement of Respiratory Total Activity, External Approach
• 4A0B78ZMeasurement of Gastrointestinal Motility, Via Natural or Artificial Opening
• 4A0B7BZMeasurement of Gastrointestinal Pressure, Via Natural or Artificial Opening
• 4A0B7GZMeasurement of Gastrointestinal Secretion, Via Natural or Artificial Opening
• 4A0B88ZMeasurement of Gastrointestinal Motility, Via Natural or Artificial Opening Endoscopic
• 4A0B8BZMeasurement of Gastrointestinal Pressure, Via Natural or Artificial Opening Endoscopic
• 4A0B8GZMeasurement of Gastrointestinal Secretion, Via Natural or Artificial Opening Endoscopic
• 4A0C35ZMeasurement of Biliary Flow, Percutaneous Approach
• 4A0C3BZMeasurement of Biliary Pressure, Percutaneous Approach
• 4A0C45ZMeasurement of Biliary Flow, Percutaneous Endoscopic Approach
• 4A0C4BZMeasurement of Biliary Pressure, Percutaneous Endoscopic Approach
• 4A0C75ZMeasurement of Biliary Flow, Via Natural or Artificial Opening
• 4A0C7BZMeasurement of Biliary Pressure, Via Natural or Artificial Opening
• 4A0C85ZMeasurement of Biliary Flow, Via Natural or Artificial Opening Endoscopic
• 4A0C8BZMeasurement of Biliary Pressure, Via Natural or Artificial Opening Endoscopic
• 4A0D73ZMeasurement of Urinary Contractility, Via Natural or Artificial Opening
• 4A0D75ZMeasurement of Urinary Flow, Via Natural or Artificial Opening
• 4A0D7BZMeasurement of Urinary Pressure, Via Natural or Artificial Opening
• 4A0D7DZMeasurement of Urinary Resistance, Via Natural or Artificial Opening
• 4A0D7LZMeasurement of Urinary Volume, Via Natural or Artificial Opening
• 4A0D83ZMeasurement of Urinary Contractility, Via Natural or Artificial Opening Endoscopic
• 4A0D85ZMeasurement of Urinary Flow, Via Natural or Artificial Opening Endoscopic
• 4A0D8BZMeasurement of Urinary Pressure, Via Natural or Artificial Opening Endoscopic
• 4A0D8DZMeasurement of Urinary Resistance, Via Natural or Artificial Opening Endoscopic
• 4A0D8LZMeasurement of Urinary Volume, Via Natural or Artificial Opening Endoscopic
• 4A0F33ZMeasurement of Musculoskeletal Contractility, Percutaneous Approach
• 4A0F3BEMeasurement of Musculoskeletal Pressure, Compartment, Percutaneous Approach
• 4A0FX3ZMeasurement of Musculoskeletal Contractility, External Approach
• 4A0FXEJMeasurement of Musculoskeletal Body Composition using Air Displacement Plethysmography, External Approach
• 4A0H74ZMeasurement of Products of Conception, Cardiac Electrical Activity, Via Natural or Artificial Opening
• 4A0H7CZMeasurement of Products of Conception, Cardiac Rate, Via Natural or Artificial Opening
• 4A0H7FZMeasurement of Products of Conception, Cardiac Rhythm, Via Natural or Artificial Opening
• 4A0H7HZMeasurement of Products of Conception, Cardiac Sound, Via Natural or Artificial Opening
• 4A0H84ZMeasurement of Products of Conception, Cardiac Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A0H8CZMeasurement of Products of Conception, Cardiac Rate, Via Natural or Artificial Opening Endoscopic
• 4A0H8FZMeasurement of Products of Conception, Cardiac Rhythm, Via Natural or Artificial Opening Endoscopic
• 4A0H8HZMeasurement of Products of Conception, Cardiac Sound, Via Natural or Artificial Opening Endoscopic
• 4A0HX4ZMeasurement of Products of Conception, Cardiac Electrical Activity, External Approach
• 4A0HXCZMeasurement of Products of Conception, Cardiac Rate, External Approach
• 4A0HXFZMeasurement of Products of Conception, Cardiac Rhythm, External Approach
• 4A0HXHZMeasurement of Products of Conception, Cardiac Sound, External Approach
• 4A0J72ZMeasurement of Products of Conception, Nervous Conductivity, Via Natural or Artificial Opening
• 4A0J74ZMeasurement of Products of Conception, Nervous Electrical Activity, Via Natural or Artificial Opening
• 4A0J7BZMeasurement of Products of Conception, Nervous Pressure, Via Natural or Artificial Opening
• 4A0J82ZMeasurement of Products of Conception, Nervous Conductivity, Via Natural or Artificial Opening Endoscopic
• 4A0J84ZMeasurement of Products of Conception, Nervous Electrical Activity, Via Natural or Artificial Opening Endoscopic
• 4A0J8BZMeasurement of Products of Conception, Nervous Pressure, Via Natural or Artificial Opening Endoscopic
• 4A0JX2ZMeasurement of Products of Conception, Nervous Conductivity, External Approach
• 4A0JX4ZMeasurement of Products of Conception, Nervous Electrical Activity, External Approach
• 4A0JXBZMeasurement of Products of Conception, Nervous Pressure, External Approach
• 4A0Z76ZMeasurement of Metabolism, Via Natural or Artificial Opening
• 4A0Z7KZMeasurement of Temperature, Via Natural or Artificial Opening
• 4A0ZX6ZMeasurement of Metabolism, External Approach
• 4A0ZXKZMeasurement of Temperature, External Approach
• 4A0ZXQZMeasurement of Sleep, External Approach