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ALL MEDICAL CODES IN CATEGORY Qualifying Circumstances for Anesthesia

2025 CPT code 99135

Anesthesia complicated by the use of controlled hypotension; this add-on code is used with a primary anesthesia procedure code.

Anesthesia complicated by emergency conditions.

Anesthesia complicated by utilization of total body hypothermia.

This add-on code is used with a primary anesthesia procedure code for patients under 1 year or over 70 years old.