| Title |
Prostate Cancer: Avoidance of Overuse of Bone Scan for Staging Low Risk Prostate Cancer Patients |
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|---|---|---|---|
| CMS eCQM ID | CMS129v15 | CBE ID | Not Applicable |
| MIPS Quality ID | 102 | ||
| Measure Steward | Centers for Medicare & Medicaid Services (CMS) | ||
| Description | Percentage of patients, regardless of age, with a diagnosis of prostate cancer at low (or very low) risk of recurrence receiving interstitial prostate brachytherapy, OR external beam radiotherapy to the prostate, OR radical prostatectomy who did not have a bone scan performed at any time since diagnosis of prostate cancer | ||
| Measure Scoring | Proportion | ||
| Measure Type | Process | ||
| Stratification | None | ||
| Risk Adjustment | None | ||
| Rationale | Multiple studies have indicated that a bone scan is not clinically necessary for staging prostate cancer in patients with a low (or very low) risk of recurrence and receiving primary therapy. For patients who are categorized as low risk, bone scans are unlikely to identify their disease. Furthermore, bone scans are not necessary for low risk patients who have no history of bony involvement or if the clinical examination suggests no bony involvement. Less than 1% of low risk patients are at risk of metastatic disease.
While clinical practice guidelines do not recommend bone scans in low risk prostate cancer patients, overuse is still common. An analysis of prostate cancer patients in the Surveillance, Epidemiology and End Results Medicare database diagnosed from 2004-2007 found that 43% of patients for whom a bone scan was not recommended received it (Falchook, Hendrix, & Chen, 2015). The analysis also found that the use of bone scans in low risk patients leads to an annual cost of $4 million dollars to Medicare. The overuse of bone scan imaging for low risk prostate cancer patients is a concept included on the American Urological Association’s (AUA) list in the Choosing Wisely Initiative as a means to promote adherence to evidence-based imaging practices and to reduce health care dollars wasted (AUA, 2019). This measure is intended to promote adherence to evidence-based imaging practices, lessen the financial burden of unnecessary imaging, and ultimately to improve the quality of care for prostate cancer patients in the United States. |
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| Clinical Recommendation Statement | For symptomatic patients and/or those with a life expectancy of greater than 5 years, bone and soft tissue imaging is appropriate for patients with unfavorable intermediate-risk, high-risk, and very-high-risk prostate cancer (National Comprehensive Cancer Network, 2024) (Evidence Level: Category 2A).
Clinicians should not routinely perform abdominopelvic computed tomography (CT) scan or bone scan in asymptomatic patients with low- or intermediate-risk prostate cancer (Eastham, 2022) (Expert Opinion). Don’t perform PET, CT, and radionuclide bone scans, or newer imaging scans in the staging of early prostate cancer at low risk for metastasis (ASCO, 2021) |
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| Improvement Notation | Higher score indicates better quality | ||
| Definition | Risk Strata Definitions: Very Low, Low, Intermediate, High, or Very High Very Low/Low Risk – PSA < 10 ng/mL; AND Gleason score 6 or less/Gleason grade group 1; AND clinical stage T1 to T2a.
Intermediate Risk – PSA 10 to 20 ng/mL; OR Gleason score 7/Gleason grade group 2-3; OR clinical stage T2b to T2c. High/Very High Risk – PSA > 20 ng/mL; OR Gleason score 8 to 10/Gleason grade group 4-5; OR clinically localized stage T3 to T4 (adapted from the National Comprehensive Cancer Network, 2018). External beam radiotherapy – external beam radiotherapy refers to 3D conformal radiation therapy, intensity modulated radiation therapy, stereotactic body radiotherapy, and proton beam therapy. Bone scan – bone scan refers to the conventional technetium-99m-methyl diphosphonate bone scan as well as 18F-sodium fluoride or prostate-specific membrane antigen (PSMA) PET/CT scan. |
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| Guidance | A higher score indicates appropriate treatment of patients with prostate cancer at low (or very low) risk of recurrence. Only patients with prostate cancer with low (or very low) risk of recurrence will be counted in the performance denominator of this measure.
PSA test results reported in units other than ng/mL should be converted to ng/mL for reporting of this measure. In 2022, the American Urological Association published guidance recommending that clinicians not perform bone scan in asymptomatic patients with low or favorable intermediate risk prostate cancer. However, this quality measure remains focused on patients with low (or very low) risk of recurrence. This eCQM is a patient-based measure. Telehealth encounters are not eligible for this measure because the measure does not contain telehealth-eligible codes. This version of the eCQM uses QDM version 5.6. Please refer to the QDM page for more information on the QDM. |
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| Initial Population | All patients, regardless of age, with a diagnosis of prostate cancer | ||
| Denominator | Equals Initial Population at low (or very low) risk of recurrence receiving interstitial prostate brachytherapy, OR external beam radiotherapy to the prostate, OR radical prostatectomy | ||
| Denominator Exclusions | None | ||
| Numerator | Patients who did not have a bone scan performed after diagnosis of prostate cancer and before the end of the measurement period | ||
| Numerator Exclusions | None | ||
| Denominator Exceptions | Documentation of reason(s) for performing a bone scan (including documented pain related to prostate cancer, salvage therapy, or other medical reasons) | ||
| Telehealth Eligible | No | ||
| Next Version | No Version Available | ||
| Previous Version | CMS129v14 | ||
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