HCPCS G0483
Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (CMS descriptor)
Other services Work RVU per service none (2024 fee schedule; adds 0 work RVUs)
Trend
Medicare payment on the code
Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Data years 2020–2024.
Billers
Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Data years 2020–2024.
| observed | calculated | calculated | calculated | calculated | calculated | reported | |
|---|---|---|---|---|---|---|---|
| 2024 | 1,021 | $129,438,547 | -9% | 537,743 | 84 | 1,773 | 0.00 |
| 2023 | 1,063 | $142,991,321 | -14% | 594,208 | 106 | 1,814 | 0.00 |
| 2022 | 1,217 | $166,039,776 | -18% | 684,475 | 100 | 2,193 | 0.00 |
| 2021 | 1,259 | $201,308,658 | -9% | 819,620 | 124 | 2,659 | 0.00 |
| 2020 | 1,241 | $220,063,830 | first year in data | 902,543 | 125 | 2,850 | 0.00 |
Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Data years 2020–2024.
By state
| observed | calculated | calculated | calculated | calculated | calculated | |
|---|---|---|---|---|---|---|
| California | 74 | $29,605,862 | 122,563 | 390 | 6,708 | |
| North Carolina | 73 | $23,076,903 | 96,519 | 71 | 5,188 | |
| Texas | 213 | $14,432,855 | 60,041 | 65 | 1,325 | |
| Tennessee | 45 | $10,013,801 | 41,568 | 78 | 919 | |
| Florida | 100 | $5,934,568 | 24,580 | 90 | 992 | |
| Georgia | 63 | $5,039,322 | 20,879 | 131 | 945 | |
| New Jersey | 35 | $4,520,551 | 18,801 | 50 | 1,823 | |
| Oklahoma | 27 | $3,647,226 | 15,155 | 64 | 3,171 | |
| Arizona | 24 | $3,203,313 | 13,280 | 234 | 2,270 | |
| Michigan | 17 | $2,771,260 | 11,463 | 110 | 2,497 | |
| Pennsylvania | 28 | $2,505,121 | 10,411 | 131 | 1,356 | |
| Mississippi | 25 | $2,239,552 | 9,294 | 70 | 2,223 | |
| Delaware | 14 | $2,190,903 | 9,065 | 266 | 2,664 | |
| Indiana | 34 | $1,914,284 | 7,973 | 82 | 326 | |
| Kentucky | 32 | $1,805,336 | 7,482 | 36 | 621 |
Not listed: 19 states with fewer than 11 billers (small cells).
Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Providers placed by practice address. Data year 2024.
Top metro areas
| observed | calculated | calculated | calculated | calculated | |
|---|---|---|---|---|---|
| Los Angeles-Long Beach-Anaheim, CA | 32 | $13,743,071 | 56,801 | 706 | |
| Dallas-Fort Worth-Arlington, TX | 72 | $6,476,240 | 26,960 | 90 | |
| Houston-Pasadena-The Woodlands, TX | 43 | $4,963,332 | 20,572 | 96 | |
| Raleigh-Cary, NC | 19 | $4,796,594 | 19,837 | 78 | |
| New York-Newark-Jersey City, NY-NJ | 23 | $4,689,426 | 19,419 | 221 | |
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 44 | $3,576,921 | 14,887 | 131 | |
| Phoenix-Mesa-Chandler, AZ | 22 | $3,032,374 | 12,572 | 234 | |
| Atlanta-Sandy Springs-Roswell, GA | 34 | $2,974,116 | 12,331 | 185 | |
| Detroit-Warren-Dearborn, MI | 14 | $2,707,619 | 11,200 | 117 | |
| Tulsa, OK | 12 | $1,681,418 | 6,978 | 45 | |
| Cincinnati, OH-KY-IN | 11 | $1,463,736 | 6,058 | 74 | |
| Jacksonville, FL | 35 | $1,257,780 | 5,215 | 79 | |
| Tampa-St. Petersburg-Clearwater, FL | 12 | $1,209,023 | 5,011 | 47 | |
| Baltimore-Columbia-Towson, MD | 15 | $1,150,810 | 4,767 | 102 | |
| Austin-Round Rock-San Marcos, TX | 42 | $1,143,857 | 4,778 | 54 |
Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 27 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2024.
Specialties billing G0483 nationally
Clinical Laboratory accounts for 76% of payment for G0483 nationally in 2024, across 8 specialties on claims.
| observed | calculated | calculated | calculated | calculated | calculated | |
|---|---|---|---|---|---|---|
| Clinical Laboratory | 255 | 25% | $97,780,884 | 76% | 405,834 | 1,592 |
| Anesthesiology | 123 | 12% | $5,750,960 | 4.4% | 23,975 | 195 |
| Pain Management | 136 | 13% | $5,678,038 | 4.4% | 23,701 | 174 |
| Physical Medicine and Rehabilitation | 62 | 6.1% | $4,762,595 | 3.7% | 19,776 | 319 |
| Nurse Practitioner | 199 | 19% | $4,741,045 | 3.7% | 19,819 | 100 |
| Interventional Pain Management | 85 | 8.3% | $3,756,156 | 2.9% | 15,699 | 185 |
| Physician Assistant | 111 | 11% | $2,906,230 | 2.2% | 12,111 | 109 |
| Family Practice | 13 | 1.3% | $405,548 | 0.31% | 1,686 | 130 |
Not listed: 11 specialties with fewer than 11 billers (small cells).
Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Provider-level lines (fewer than 11 beneficiaries suppressed by CMS); specialty is the provider type on claims. Data year 2024.
Top billers of G0483 nationally
Named top billers are a Pro figure, and Pro is not available to buy, so this list is not shown to any account. The counts and totals by state, metro area and specialty on this page are free.
Original Medicare Part B fee-for-service only; CMS suppresses provider lines with fewer than 11 beneficiaries. How these figures are computed · Limitations