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 (2022 fee schedule; adds 0 work RVUs)

163
71st percentile among 6,326 codes billed · 2022
$48M
96th percentile among 6,326 codes billed · 2022
1.4M
96th percentile among 6,326 codes billed · 2022
4,460
98th percentile among 6,326 codes billed · 2022
27,123
99th percentile among 6,326 codes billed · 2022
-10.2%
Medicare payment on the code vs 2021; billers +19.0% · 2022

Trend

Medicare payment on the code

$0$50M2020: $48M paid20202021: $53M paid20212022: $48M paid20222023: $54M paid20232024: $70M paid2024$70M$0$50M2020: $48M paid20202021: $53M paid20212022: $48M paid20222023: $54M paid20232024: $70M paid2024$70M$0$50M2020: $48M paid20202021: $53M paid20212022: $48M paid20222023: $54M paid20232024: $70M paid2024$70M$0$50M2020: $48M paid20202021: $53M paid20212022: $48M paid20222023: $54M paid20232024: $70M paid2024$70M

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Data years 2020–2024.

Billers

01002002020: 153 providers20202021: 137 providers20212022: 163 providers20222023: 180 providers20232024: 206 providers202420601002002020: 153 providers20202021: 137 providers20212022: 163 providers20222023: 180 providers20232024: 206 providers202420601002002020: 153 providers20202021: 137 providers20212022: 163 providers20222023: 180 providers20232024: 206 providers202420601002002020: 153 providers20202021: 137 providers20212022: 163 providers20222023: 180 providers20232024: 206 providers2024206

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
2024206$69,731,744+30%1,819,3674,31824,3360.00
2023180$53,562,091+12%1,410,7093,61520,5350.00
2022163$47,930,509-10%1,381,0164,46027,1230.00
2021137$53,398,547+12%1,446,6025,44032,2450.00
2020153$47,550,254first year in data1,469,2734,83033,1230.00

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
Texas16$15,123,669436,93611,94079,599
New York29$8,901,864259,7734,36035,904
Arkansas12$2,988,22785,9216,99010,317
California14$2,553,17773,3373,99511,908
Missouri23$2,041,56458,8201,7706,708

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 2022.

Top metro areas

observed calculated calculated calculated calculated
New York-Newark-Jersey City, NY-NJ13$4,959,962143,9306,790
Buffalo-Cheektowaga, NY12$3,008,46188,6323,745
Fayetteville-Springdale-Rogers, AR12$2,988,22785,9216,990
St. Louis, MO-IL27$2,349,01168,0601,810

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 4 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2022.

Specialties billing J1561 nationally

Neurology accounts for 49% of payment for J1561 nationally in 2022, across 4 specialties on claims.

observed calculated calculated calculated calculated calculated
Neurology4125%$23,615,65449%677,88416,534
Hematology-Oncology3924%$7,049,74615%203,6605,222
Nurse Practitioner1710%$3,944,2398.2%114,0476,709
Medical Oncology2415%$2,331,7814.9%66,9412,789

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 2022.

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