Time calculation for new prolonged services codes applies to outpatient codes
Take note of the AMA’s CPT Editorial Panel revision of the code descriptors for office-based prolonged services codes 99354 (Prolonged service, first 60 minutes) and 99355 (Prolonged service, each additional 30 minutes) to include the same language on how to count time applied to newly created prolonged services codes 99415-99416.
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