HCPCS J1561
Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg (CMS descriptor)
Drugs Drug code Work RVU per service none (2023 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 | 206 | $69,731,744 | +30% | 1,819,367 | 4,318 | 24,336 | 0.00 |
| 2023 | 180 | $53,562,091 | +12% | 1,410,709 | 3,615 | 20,535 | 0.00 |
| 2022 | 163 | $47,930,509 | -10% | 1,381,016 | 4,460 | 27,123 | 0.00 |
| 2021 | 137 | $53,398,547 | +12% | 1,446,602 | 5,440 | 32,245 | 0.00 |
| 2020 | 153 | $47,550,254 | first year in data | 1,469,273 | 4,830 | 33,123 | 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 | |
|---|---|---|---|---|---|---|
| Texas | 16 | $21,240,482 | 555,653 | 16,375 | 102,274 | |
| New York | 36 | $8,456,967 | 224,953 | 3,100 | 17,415 | |
| California | 25 | $3,497,372 | 91,530 | 3,090 | 7,596 | |
| Arkansas | 14 | $3,029,699 | 79,468 | 5,931 | 8,281 | |
| Missouri | 31 | $2,699,984 | 71,030 | 1,650 | 6,345 | |
| North Carolina | 14 | $1,739,037 | 45,600 | 3,145 | 5,014 |
Not listed: 17 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 2023.
Top metro areas
| observed | calculated | calculated | calculated | calculated | |
|---|---|---|---|---|---|
| New York-Newark-Jersey City, NY-NJ | 17 | $3,726,439 | 98,791 | 1,520 | |
| Fayetteville-Springdale-Rogers, AR | 14 | $3,029,699 | 79,468 | 5,931 | |
| Buffalo-Cheektowaga, NY | 11 | $2,934,757 | 78,992 | 3,060 | |
| St. Louis, MO-IL | 32 | $2,933,370 | 77,220 | 1,670 | |
| Los Angeles-Long Beach-Anaheim, CA | 16 | $2,343,252 | 61,400 | 3,480 | |
| Raleigh-Cary, NC | 12 | $1,395,733 | 36,490 | 3,115 |
Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 6 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2023.
Specialties billing J1561 nationally
Neurology accounts for 48% of payment for J1561 nationally in 2023, across 5 specialties on claims.
| observed | calculated | calculated | calculated | calculated | calculated | |
|---|---|---|---|---|---|---|
| Neurology | 50 | 28% | $25,884,850 | 48% | 680,716 | 13,614 |
| Hematology-Oncology | 47 | 26% | $8,795,841 | 16% | 233,009 | 4,958 |
| Allergy/ Immunology | 14 | 7.8% | $5,442,835 | 10% | 142,444 | 10,175 |
| Nurse Practitioner | 16 | 8.9% | $3,941,706 | 7.4% | 103,589 | 6,474 |
| Medical Oncology | 27 | 15% | $2,419,939 | 4.5% | 63,512 | 2,352 |
Not listed: 12 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 2023.
Top billers of J1561 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