> ## Documentation Index > Fetch the complete documentation index at: https://docs.rcintell.com/llms.txt > Use this file to discover all available pages before exploring further. # Structure a parsed policy document into a semantic folder tree > Build (or return cached) folder tree for a parsed document. Requires the document to have been parsed first via POST /v1/policy/parse. Pass `rebuild: true` to recompute even when a cached tree exists. ## OpenAPI ````yaml /docs/openapi.client.json post /v1/policy/structure openapi: 3.1.0 info: description: >- Client API for RCIntel. Authenticate with X-API-Key. See Guides → Which API to use. summary: Multi-tenant knowledge API for healthcare revenue cycle management. title: Healthcare Knowledge Layer version: 0.1.0 servers: [] security: [] tags: - description: >- Cited payer policy lookup — GET /v1/policies and GET /v1/policies/changes. Medicare FFS returns NCDs/LCDs/MACs; commercial payers return that payer's documents only. Query payer, code, state, plan_type. name: policies - description: >- Payer-policy PDF parse and retrieve for Workspace / Payer Knowledge. Service-authenticated (X-Admin-Secret); chunks stored in Postgres. name: policy - description: >- Manufacturer 340B contract-pharmacy policy, fail-closed access, and the change feed. Different API from GET /v1/policies. name: 340B Policy - description: CRD-style prior authorization check, documentation, and vendors. name: prior-auth - description: Public payer directory (no API key on list/detail). name: payers-public - description: >- Payer network directory — search payers, check prior auth requirements, view filing rules, denial patterns, and appeal levels. name: payers - description: >- Resolve healthcare billing knowledge across the L1-L6 layer stack. Includes payment calculation, billing guidance, and per-layer queries. name: knowledge - description: >- CMS Fee Schedule lookups — OPPS (Addendum B / APC), DMEPOS (state-level pricing), and Clinical Lab Fee Schedule (CLFS). name: fee-schedules - description: >- NCCI (National Correct Coding Initiative) — dedicated MUE limits, PTP bundling edits, add-on code edits, and code pair validation. name: ncci - description: >- Service code intelligence — CPT/HCPCS lookup, RVU data, NCCI edits, payment calculation, implant/GUDID search, and service group classification. name: codes - description: >- Submit asynchronous AI agent jobs for code research, medical necessity, and denial resolution. Poll for results and retrieve reasoning traces. name: agents - description: >- Register and manage healthcare facilities by CCN (Medicare Provider Number). Each facility is the root entity for knowledge resolution. name: facilities - description: >- NPI Registry — live search against CMS NPPES API for provider and organization National Provider Identifiers. name: npi - description: >- OpenFDA drug product lookup by NDC. Includes product-level fields with normalized ingredient and package detail. name: drugs - name: encounter - name: mcp - description: Health checks, service metadata, and Prometheus metrics. name: system paths: /v1/policy/structure: post: tags: - policy summary: Structure a parsed policy document into a semantic folder tree description: >- Build (or return cached) folder tree for a parsed document. Requires the document to have been parsed first via POST /v1/policy/parse. Pass `rebuild: true` to recompute even when a cached tree exists. operationId: structure_policy_v1_policy_structure_post parameters: - description: >- Admin bootstrap secret required for privileged bootstrap/provisioning operations. in: header name: x-admin-secret required: false schema: anyOf: - type: string - type: 'null' title: X-Admin-Secret requestBody: content: application/json: schema: $ref: '#/components/schemas/PolicyStructureRequest' required: true responses: '200': content: application/json: schema: $ref: '#/components/schemas/PolicyStructureResponse' description: Successful Response '422': content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' description: Validation Error components: schemas: PolicyStructureRequest: properties: document_id: title: Document Id type: string rebuild: default: false description: >- Rebuild even if a cached tree exists (default: return cached when present) title: Rebuild type: boolean user_uid: title: User Uid type: string required: - user_uid - document_id title: PolicyStructureRequest type: object PolicyStructureResponse: properties: built_with: default: deterministic description: '''deterministic'' or an LLM model id' title: Built With type: string document_id: title: Document Id type: string folders: items: $ref: '#/components/schemas/StructureFolder' title: Folders type: array metadata: $ref: '#/components/schemas/StructureMetadata' user_uid: title: User Uid type: string required: - document_id - user_uid title: PolicyStructureResponse type: object HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' title: Detail type: array title: HTTPValidationError type: object StructureFolder: properties: files: items: $ref: '#/components/schemas/StructureFile' title: Files type: array key: description: Taxonomy folder key, e.g. 'reimbursement' title: Key type: string label: description: Display label, e.g. 'Reimbursement' title: Label type: string summary: default: '' description: One-line description of the folder title: Summary type: string required: - key - label title: StructureFolder type: object StructureMetadata: properties: chapter: anyOf: - type: string - type: 'null' title: Chapter effective_date: anyOf: - type: string - type: 'null' description: ISO date title: Effective Date line_of_business: anyOf: - type: string - type: 'null' description: Medicare / Medicaid / Commercial title: Line Of Business manual: anyOf: - type: string - type: 'null' description: e.g. Medicare Claims Processing Manual title: Manual provider_types: description: e.g. RHC, FQHC items: type: string title: Provider Types type: array publisher: anyOf: - type: string - type: 'null' description: e.g. CMS title: Publisher revision: anyOf: - type: string - type: 'null' description: Publisher revision id, e.g. 13264 title: Revision source_pages: default: 0 description: Total source pages covered title: Source Pages type: integer source_pdf: default: '' description: Original filename title: Source Pdf type: string title: default: '' description: Document title title: Title type: string title: StructureMetadata type: object ValidationError: properties: ctx: title: Context type: object input: title: Input loc: items: anyOf: - type: string - type: integer title: Location type: array msg: title: Message type: string type: title: Error Type type: string required: - loc - msg - type title: ValidationError type: object StructureFile: properties: citations: items: $ref: '#/components/schemas/StructureCitation' title: Citations type: array cross_references: description: Referenced sections/URLs found in the text items: type: string title: Cross References type: array entities: $ref: '#/components/schemas/StructureEntities' excerpt: default: '' description: Representative source excerpt (truncated) title: Excerpt type: string facts: items: $ref: '#/components/schemas/StructureFact' title: Facts type: array id: description: Stable id for this file within the tree title: Id type: string native_section: anyOf: - type: string - type: 'null' description: The document's own section number, e.g. '40.1' title: Native Section summary: default: '' description: Short summary of the file's content title: Summary type: string title: description: Human-readable file title (from the source heading) title: Title type: string required: - id - title title: StructureFile type: object StructureCitation: properties: chunk_id: description: Source policy_chunks.chunk_id backing this file title: Chunk Id type: string page_end: description: Last source PDF page (1-based) title: Page End type: integer page_start: description: First source PDF page (1-based) title: Page Start type: integer required: - chunk_id - page_start - page_end title: StructureCitation type: object StructureEntities: properties: claim_formats: description: e.g. 837I, CMS-1450 items: type: string title: Claim Formats type: array codes: description: CPT/HCPCS/G-codes referenced items: type: string title: Codes type: array modifiers: items: type: string title: Modifiers type: array payment_systems: description: e.g. AIR, PPS items: type: string title: Payment Systems type: array revenue_codes: items: type: string title: Revenue Codes type: array tob: description: Type-of-Bill codes items: type: string title: Tob type: array title: StructureEntities type: object StructureFact: properties: applies_to: anyOf: - type: string - type: 'null' description: Entity the fact applies to, e.g. RHC / FQHC / both (null if general) title: Applies To effective_date: anyOf: - type: string - type: 'null' description: ISO date the fact takes effect title: Effective Date statement: description: Normalized, self-contained policy statement title: Statement type: string value: anyOf: - type: string - type: 'null' description: Extracted value, e.g. '20%', '365 days' title: Value required: - statement title: StructureFact type: object ````