SVU has received a number of questions regarding the revised descriptions of 
the non-invasive physiologic codes in the CPT manual.  The CPT Editorial 
Committee (part of AMA) under advisement from physician groups, and with 
input from professional organizations, created the following changes effective 
1/1/2011.  Most private and all public payors rely on the AMA's descriptions in 
this manual as required elements to bill for services. Please consult your 
coding or compliance departments if you think these changes may impact your 
operations. Without regard to specific vendor or equipment type, here are the 
changes:

CPT Code Descriptions 93922-24

93922: 
 2010 - Noninvasive physiologic studies of upper or lower extremity arteries, 
single level, bilateral (e.g., ankle/brachial indices, Doppler waveform analysis, 
volume plethysmography, transcutaneous oxygen tension measurement) 

 2011 - Limited bilateral noninvasive physiologic studies of upper or lower 
extremity arteries, (e.g., for lower extremity: ankle/brachial indices at distal 
posterior tibial and anterior tibial/dorsalis pedis arteries plus bidirectional, 
Doppler waveform recording and analysis at 1-2 levels, or ankle/brachial 
indices at distal posterior tibial and anterior tibial/dorsalis pedis arteries plus 
volume plethysmography at 1-2 levels, or ankle/brachial indices at distal 
posterior tibial and anterior tibial/dorsalis pedis arteries with transcutaneous 
oxygen tension measurements at 1-2 levels). 

93923: 
 2010 - Noninvasive physiologic studies of upper or lower extremity arteries, 
multiple levels or with provocative functional maneuvers, complete bilateral 
study (e.g., segmental blood pressure measurements, segmental Doppler 
waveform analysis, segmental volume plethysmography, segmental 
transcutaneous oxygen tension measurements, measurements with postural 
provocative tests, measurements with reactive hyperemia) 

 2011 - Complete bilateral noninvasive physiologic studies of upper or lower 
extremity arteries, 3 or more levels (e.g., for lower extremity: ankle/brachial 
indices at distal posterior tibial and anterior tibial/ dorsalis pedis arteries plus 
segmental blood pressure measurements with bidirectional Doppler waveform 
recording and analysis, at 3 or more levels, or ankle/brachial indices at distal 
posterior tibial and anterior tibial/dorsalis pedis arteries plus segmental volume 
plethysmography at 3 or more levels, or ankle/brachial indices at distal 
posterior tibial and anterior tibial/dorsalis pedis arteries plus segmental 
transcutaneous oxygen tension measurements at 3 or more levels), or single 
level study with provocative functional maneuvers (e.g., measurements with 
postural provocative tests, or measurements with reactive hyperemia). 

93924: 
 2010 - Non-invasive physiologic studies of lower extremity arteries, at rest 
and following treadmill stress testing, complete bilateral study 

 2011 - Noninvasive physiologic studies of lower extremity arteries, at rest and 
following treadmill stress testing, (i.e., bidirectional Doppler waveform or 
volume plethysmography recording and analysis at rest with ankle/brachial 
indices immediately after and at timed intervals following performance of a 
standardized protocol on a motorized treadmill plus recording of time of onset 
of claudication or other symptoms, maximal walking time, and time to 
recovery) complete bilateral study. 

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