# ASP Pricing File — Medicare Part B quarterly ASP (raw CMS drop)

`drug_silver.fact_drug_asp_quarterly` · Drugs and formularies · status live · 18,027 rows

The raw CMS Medicare Part B ASP Pricing File, quarter by quarter: HCPCS payment limit (ASP+6%), coinsurance %, and the vaccine / blood / clotting-factor pricing columns. This is the physical table the asp_pricing_lookup MCP tool reads; drug_asp is the product-level logical alias over the same served table.

**Grain.** One row per (hcpcs_code, release_quarter).

| column | type | meaning |
|---|---|---|
| hcpcs_code | string |  |
| short_description | string |  |
| hcpcs_dosage | string |  |
| payment_limit_usd | double |  |
| coinsurance_percentage | double |  |
| vaccine_awp_percentage | double |  |
| vaccine_limit_usd | double |  |
| blood_awp_percentage | double |  |
| blood_limit_usd | double |  |
| clotting_factor_usd | double |  |
| notes | string |  |
| release_quarter | string |  |
| observed_period | date |  |
| asserted_at | date |  |
| effective_period_start | date |  |
| effective_period_end | date |  |
| cms_vintage_sequence | int |  |
| parse_revision | int |  |
| parser_artifact_hash | string |  |
| source_url | string |  |
| sha256_content_hash | string |  |
| source_id | string |  |
| is_current | boolean |  |
| bronze_object_key | string |  |
| s3_version_id | string |  |
| vintage_tag | string |  |
| drug_source_version_id | string |  |

Query it: `query_substrate` with `SELECT ... FROM drug_silver.fact_drug_asp_quarterly WHERE ... LIMIT 100`; read `describe_data_source("drug_silver.fact_drug_asp_quarterly")` first.