# X12 healthcare code-list source-limit ledger

`medicare_silver.x12_code_list_asset` · Medicare Advantage, Part D, Medicaid · status live · 16 rows

Metadata-only inventory of the 16 X12 healthcare code-list families relevant to claim, remittance, status, payment, adjustment, service, and related transaction semantics, preserving publisher list identity, maintainer, observed release date, source URL, licensing disposition, and the exact no-payload boundary.

**Grain.** One row per governed corpus snapshot and X12 healthcare code-list family.

| column | type | meaning |
|---|---|---|
| corpus_snapshot_date | date |  |
| asset_id | string |  |
| list_name | string |  |
| external_code_list_id | string |  |
| maintained_by | string |  |
| publisher_last_modified | date |  |
| asset_url | string |  |
| asset_status | string |  |
| license_class | string |  |
| payload_acquired | boolean |  |
| ai_use_permission | string |  |
| subscription_required_for_electronic_payload | boolean |  |
| existing_vlada_overlap_source_id | string |  |
| publisher_index_url | string |  |
| ip_policy_url | string |  |
| subscription_url | string |  |
| source_limit | string |  |
| is_current_release | boolean |  |
| quality_flags | string |  |
| is_analytics_eligible | 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 medicare_silver.x12_code_list_asset WHERE ... LIMIT 100`; read `describe_data_source("medicare_silver.x12_code_list_asset")` first.