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Pulmonary stress testing is a diagnostic procedure designed to assess the functional capacity of the lungs, heart, and muscles during physical exertion. This testing is particularly valuable for patients who present with respiratory symptoms, such as shortness of breath, as it aids in identifying the underlying causes of these symptoms. The procedure can be conducted using various methods, including a treadmill or stationary bicycle; however, in simpler tests, patients may simply walk back and forth in a long hallway. Prior to initiating the stress test, baseline measurements of lung function and oxygen levels are obtained through spirometry and oximetry. In the context of a simple pulmonary stress test, identified by CPT® Code 94620, the patient engages in exercise for a predetermined duration without continuous monitoring. Following the exercise, spirometry and oximetry assessments are repeated to evaluate any changes from the baseline values. This contrasts with a more complex pulmonary stress test, which involves continuous monitoring of various parameters during the exercise phase. The results from either type of test are subsequently analyzed by a physician, who provides a comprehensive written interpretation of the findings, contributing to the overall understanding of the patient's respiratory and cardiovascular health during exertion.
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The pulmonary stress testing procedure is indicated for patients experiencing respiratory symptoms that may include, but are not limited to, the following conditions:
The procedure for pulmonary stress testing involves several key steps to ensure accurate assessment of the patient's respiratory and cardiovascular responses to exercise:
After the pulmonary stress testing is completed, patients may be advised to rest and monitor for any unusual symptoms, such as prolonged shortness of breath or chest discomfort. The physician will review the results with the patient, discussing any significant findings and potential next steps in management or further testing if necessary. It is important for patients to follow any specific post-procedure instructions provided by their healthcare provider to ensure optimal recovery and understanding of their test results.
| Short Descr | PULMONARY STRESS TEST/SIMPLE | Medium Descr | PULMONARY STRESS TESTING SIMPLE | Long Descr | Pulmonary stress testing; simple (eg, 6-minute walk test, prolonged exercise test for bronchospasm with pre- and post-spirometry and oximetry) | Status Code | Active Code | Global Days | XXX - Global Concept Does Not Apply | PC/TC Indicator (26, TC) | 1 - Diagnostic Tests for Radiology Services | Multiple Procedures (51) | 0 - No payment adjustment rules for multiple procedures apply. | Bilateral Surgery (50) | 0 - 150% payment adjustment for bilateral procedures does NOT apply. | Physician Supervisions | 09 - Concept does not apply. | Assistant Surgeon (80, 82) | 0 - Payment restriction for assistants at surgery applies to this procedure... | Co-Surgeons (62) | 0 - Co-surgeons not permitted for this procedure. | Team Surgery (66) | 0 - Team surgeons not permitted for this procedure. | Diagnostic Imaging Family | 99 - Concept Does Not Apply | APC Status Indicator | STV-Packaged Codes | Type of Service (TOS) | 5 - Diagnostic Laboratory | Berenson-Eggers TOS (BETOS) | T2D - Other tests - other | MUE | Not applicable/unspecified. | CCS Clinical Classification | 38 - Other diagnostic procedures on lung and bronchus |
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| 2017-12-31 | Deleted | Code deleted, see 94618. |
| 2007-01-01 | Changed | Code description changed. |
| Pre-1990 | Added | Code added. |
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