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ICD-10-PCS Body Part - 1
Measurement and Monitoring, Physiological Systems, Monitoring, Peripheral Nervous

The Peripheral Nervous body part is identified by the character 1 in the 4th position of the ICD-10-PCS procedure code. It is contained within the Monitoring root operation of the Physiological Systems body system under the Measurement and Monitoring section. The 4the position refers to the body part or body region when applicable.

ICD-10-PCS code structure

Section:
  4 = Measurement and Monitoring

Body System:
  A = Physiological Systems

Root Operation:
  1 = Monitoring

Body Part:

See Terms used in Measurement and Monitoring

Select the appropriate procedure code based on the approach & device:

4A11 - Peripheral Nervous

  • Open Approach

    Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

    • Conductivity
      • 4A11029 - Monitoring of PNS Conductivity, Sensory, Open Approach
      • 4A1102B - Monitoring of PNS Conductivity, Motor, Open Approach
    • Electrical Activity
      • 4A1104G - Monitoring of PNS Electr Activity, Intraop, Open Approach
      • 4A1104Z - Monitoring of PNS Electr Activity, Open Approach

  • Percutaneous Approach

    Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach the site of the procedure

    • Conductivity
      • 4A11329 - Monitoring of PNS Conductivity, Sensory, Perc Approach
      • 4A1132B - Monitoring of PNS Conductivity, Motor, Perc Approach
    • Electrical Activity
      • 4A1134G - Monitoring of PNS Electr Activity, Intraop, Perc Approach
      • 4A1134Z - Monitoring of PNS Electr Activity, Perc Approach

  • Via Natural or Artificial Opening Approach

    Entry of instrumentation through a natural or artificial external opening to reach the site of the procedure

    • Conductivity
      • 4A11729 - Monitoring of PNS Conductivity, Sensory, Via Opening
      • 4A1172B - Monitoring of PNS Conductivity, Motor, Via Opening
    • Electrical Activity
      • 4A1174G - Monitoring of PNS Electr Activity, Intraop, Via Opening
      • 4A1174Z - Monitoring of PNS Electr Activity, Via Opening

  • Via Natural or Artificial Opening Endoscopic Approach

    Entry of instrumentation through a natural or artificial external opening to reach and visualize the site of the procedure

    • Conductivity
      • 4A11829 - Monitoring of Peripheral Nervous Conductivity, Sensory, Endo
      • 4A1182B - Monitoring of Peripheral Nervous Conductivity, Motor, Endo
    • Electrical Activity
      • 4A1184G - Monitoring of PNS Electr Activity, Intraop, Endo
      • 4A1184Z - Monitoring of Peripheral Nervous Electrical Activity, Endo

  • External Approach

    Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane

    • Conductivity
      • 4A11X29 - Monitoring of PNS Conductivity, Sensory, Extern Approach
      • 4A11X2B - Monitoring of PNS Conductivity, Motor, Extern Approach
    • Electrical Activity
      • 4A11X4G - Monitoring of PNS Electr Activity, Intraop, Extern Approach
      • 4A11X4Z - Monitoring of PNS Electr Activity, Extern Approach