4A0975ZBillable procedure code
Measurement of Respiratory Flow, Via Natural or Artificial Opening
Measurement and Monitoring·Physiological Systems·Table 4A0·FY 2027
4A0975Z is the ICD-10-PCS procedure code for Measurement of Respiratory Flow, Via Natural or Artificial Opening. It belongs to PCS table 4A0, part of Section 4 (Measurement and Monitoring). The procedure targets the Physiological Systems body system. Its root operation is Measurement. The approach used is Via Natural or Artificial Opening.
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What the code means
Measurement: root operation
Determining the level of a physiological or physical function at a point in time
Via Natural or Artificial Opening: approach
Entry of instrumentation through a natural or artificial external opening to reach the site of the procedure