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  • Dataset id: cms_part_b_drug
  • Jurisdiction: US · CMS
  • Date field: none. A search that sets date_from or date_to skips this dataset and reports it as skipped.
  • Access: any API key.

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Filters

Send these under filters.cms_part_b_drug in a search request. A filter not listed here, or a value of the wrong type, is a 400.
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string
Exact HCPCS/J-code, uppercase (e.g. “J3241”). The primary identifier for a Part B drug across all its year rows.
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string
BM25 keyword match on the brand name (e.g. “Tepezza”).
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string
BM25 keyword match on the generic name (e.g. “teprotumumab”). CMS generic names may carry a biosimilar suffix (“teprotumumab-trbw”).
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string
BM25 keyword match on the HCPCS descriptor text (e.g. “injection teprotumumab 10 mg”).
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string
BM25 keyword match on the manufacturer/labeler name (e.g. “Amgen”), rolled up from the NDC-HCPCS crosswalk. A J-code can span several manufacturers (biosimilars).
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string
Exact FDA application number in openFDA form, prefix + digits (e.g. “BLA761143”, “NDA021436”, “ANDA210016”). Matches any HCPCS whose application_numbers roll-up contains it.
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integer
Exact spending calendar year (e.g. 2024).
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integer
Inclusive lower bound on the spending year.
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integer
Inclusive upper bound on the spending year.
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boolean
True to keep only drugs with at least one linked application number indexed in the Rhizome FDA corpus.

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Fields

Each result from this dataset has these in fields: annual_change_pct, application_numbers, avg_asp_price, avg_spending_per_beneficiary, avg_spending_per_claim, avg_spending_per_dosage_unit, brand_name, cagr_pct, current_asp_payment_limit, current_asp_quarter, generic_name, hcpcs_code, hcpcs_description, id, manufacturers, matched_app_in_corpus, outlier_flag, total_beneficiaries, total_claims, total_dosage_units, total_spending, url, year