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CPT Anesthesia Coding
Randomized with Rationales
A comprehensive collection of case studies designed to test and deepen
understanding of CPT anesthesia coding principles, with detailed
explanations for each answer.
Obstetric Delivery Knee Arthroscopy Burn Debridement
Report Date: 2025-11-22 10 Case Studies
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, Emergency Tracheostomy - Pediatric Case
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Case Summary
Nine-month-old healthy patient underwent emergency tracheostomy after sustaining injuries in a motor vehicle accident. The
child lost consciousness for 60 minutes and required CPR.
Coding Information
Code: 00326 AA P5
AA : Anesthesia services performed personally by anesthesiologist
P5 : Moribund patient who is not expected to survive without the operation
Additional code: 99140 (Emergency qualifying circumstance)
Rationale
CPT code 00326 is used for anesthesia during procedures on the larynx and trachea in children under one year old. The "AA"
modifier indicates personal performance by the anesthesiologist.
The "P5" modifier is assigned because the patient lost consciousness for 60 minutes and required CPR, indicating a moribund
state where survival was not expected without the operation.
Qualifying circumstance code 99140 is appended to denote the emergency nature of the procedure, which impacts the
anesthesia care provided.
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CPT Anesthesia Coding
Randomized with Rationales
A comprehensive collection of case studies designed to test and deepen
understanding of CPT anesthesia coding principles, with detailed
explanations for each answer.
Obstetric Delivery Knee Arthroscopy Burn Debridement
Report Date: 2025-11-22 10 Case Studies
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, Emergency Tracheostomy - Pediatric Case
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Case Summary
Nine-month-old healthy patient underwent emergency tracheostomy after sustaining injuries in a motor vehicle accident. The
child lost consciousness for 60 minutes and required CPR.
Coding Information
Code: 00326 AA P5
AA : Anesthesia services performed personally by anesthesiologist
P5 : Moribund patient who is not expected to survive without the operation
Additional code: 99140 (Emergency qualifying circumstance)
Rationale
CPT code 00326 is used for anesthesia during procedures on the larynx and trachea in children under one year old. The "AA"
modifier indicates personal performance by the anesthesiologist.
The "P5" modifier is assigned because the patient lost consciousness for 60 minutes and required CPR, indicating a moribund
state where survival was not expected without the operation.
Qualifying circumstance code 99140 is appended to denote the emergency nature of the procedure, which impacts the
anesthesia care provided.
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