# Part D formulary coverage, monthly (CMS), selected-drug flag only where CMS published it

`drug_silver.vw_fact_drug_formulary_monthly_v2` · Drugs and formularies · status live · 130,452,180 rows

Every Part D formulary's covered drugs (proxy NDC, RxCUI, tier, quantity limit, prior authorization, step therapy, negotiation-selected flag) in every monthly edition 2019-01..2026-09. 2026-09: 328 formularies, 1,129,364 rows, 12,424 selected-drug rows.

**Grain.** One row per (release_month, formulary_id, ndc11).

| column | type | meaning |
|---|---|---|
| formulary_id | string |  |
| formulary_version | int |  |
| contract_year | int |  |
| rxcui | string |  |
| ndc11 | string |  |
| release_month | string |  |
| tier_level_value | int |  |
| quantity_limit_yn | boolean |  |
| quantity_limit_amount | double |  |
| quantity_limit_days | int |  |
| prior_authorization_yn | boolean |  |
| step_therapy_yn | boolean |  |
| selected_drug_yn | boolean |  |
| selected_drug_yn_legacy | boolean |  |
| 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.vw_fact_drug_formulary_monthly_v2 WHERE ... LIMIT 100`; read `describe_data_source("drug_silver.vw_fact_drug_formulary_monthly_v2")` first.