Reimbursement

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CPT CODES

The ABI study is reimbursable using CPT code 93922, 93923, or 92924.  The sudomotor study is reimbursable using CPT code 95923.  The ABI and the Sudomotor study are two separate and billable events. 

CPT CODE

93922

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 measurement at 1-2 levels)

Use procedure code 93922 as the default code for ABI studies.

CPT CODE

93923

CPT CODE 93923 (average fee payment) ≈ $130 to $140 reimbursement

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)

CPT CODE

93924

CPT Code 93924 (average fee payment) ≈ $129 to $188 reimbursement

 

Noninvasive physiologic studies of lower extremity arteries, at rest and following treadmill stress testing, (ie, 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

CPT CODE

95923

CPT CODE 95923 (average fee payment) ≈ $140 reimbursement


Sudomotor function testing - Used to evaluate and document neuropathic disturbances that may be associated with pain. The quantitative sudomotor axon reflex test (QSART), thermoregulatory sweat test (TST), sympathetic skin responses, and silastic sweat imprints are tests of sympathetic cholinergic sudomotor function. The QSART measures axon reflex-mediated sudomotor responses quantitatively and evaluates post-ganglionic sudomotor function. Recording is usually carried out from the forearm and three lower extremity skin sites to assess the distribution of post-ganglionic deficits. The TST evaluates the distribution of sweating by a change in color of an indicator powder. This test has a high sensitivity, and its specificity for delineating the site of lesion is greatly enhanced when used in conjunction with QSART.


Sweat imprints are formed by the secretion of active sweat glands into a plastic (silastic) imprint. The test can determine sweat gland density, a histogram of sweat droplet size and sweat volume per area.

Current Procedural Terminology (CPT®) is copyright 1966, 1970, 1973, 1977, 1981, 1983-2019 by the American Medical Association. All rights reserved.  CPT is a registered trademark of the American Medical Association (AMA).  CPT codes and their descriptions do not reflect or guarantee coverage or payment. Just because a CPT code exists, payment for the service it describes is not guaranteed. Coverage and payment policies of governmental and private payers vary from time to time and for different areas of the country. Questions regarding coverage and payment by a payer should be directed to that payer.  Hyperion Medical, Inc. does not claim responsibility for any consequences or liability attributable to the use of any information, guidance, or advice contained on this website.

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