The Approach Open is identified by number "0" and occupies the 5th position in the ICD10-PCS procedure code structure.
Below a selection of ICD 10 PCS codes related to 4A000
Measurement of Central Nervous Conductivity, Extern Approach
Measurement of Intracranial Saturation, Endo
Measurement of CNS Electr Activity, Open Approach
Measurement of Intracranial Temperature, Endo
Measurement of Central Nervous Pressure, Open Approach
Measurement of Intracranial Saturation, Perc Approach
Measurement of Intracranial Temperature, Perc Approach
Measurement of Intracranial Saturation, Via Opening
Measurement of Intracranial Pressure, Via Opening
Measurement of Central Nervous Electr Activity, Via Opening
Measurement of CNS Electr Activity, Perc Approach
Measurement of Intracranial Temperature, Via Opening
Measurement of Intracranial Pressure, Percutaneous Approach
Measurement of CNS Electr Activity, Extern Approach
Measurement of Central Nervous Electrical Activity, Endo