> ## 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. # Get OpenFDA NDC product detail by package NDC > Resolve a package-level NDC to its parent product and associated active ingredients. Useful when claims or inventory feeds contain package NDCs. ## OpenAPI ````yaml /docs/openapi.client.json get /v1/drugs/ndc/package/{package_ndc} openapi: 3.1.0 info: description: >- Client API for RCIntel. Admin ingest, catalog sync, and internal audit routes are omitted. 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: >- Geographic payer policy lookup (national NCD vs MAC LCD vs state). Query payer, code, state, plan_type. Each row includes geo_scope and document_version. name: policies - 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 - description: Health checks, service metadata, and Prometheus metrics. name: system paths: /v1/drugs/ndc/package/{package_ndc}: get: tags: - drugs summary: Get OpenFDA NDC product detail by package NDC description: >- Resolve a package-level NDC to its parent product and associated active ingredients. Useful when claims or inventory feeds contain package NDCs. operationId: get_ndc_package_detail_v1_drugs_ndc_package__package_ndc__get parameters: - description: Package-level NDC identifier (11-digit or dashed format). in: path name: package_ndc required: true schema: title: Package Ndc type: string responses: '200': content: application/json: schema: $ref: '#/components/schemas/NDCPackageLookupResponse' description: Successful Response '422': content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' description: Validation Error security: - APIKeyHeader: [] components: schemas: NDCPackageLookupResponse: properties: ingredients: items: $ref: '#/components/schemas/NDCIngredient' title: Ingredients type: array package: $ref: '#/components/schemas/NDCPackage' product: $ref: '#/components/schemas/NDCProductSummary' reliability: $ref: '#/components/schemas/ReliabilityMetadata' required: - product - package title: NDCPackageLookupResponse type: object HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' title: Detail type: array title: HTTPValidationError type: object NDCIngredient: properties: ingredient_name: title: Ingredient Name type: string ingredient_ordinal: title: Ingredient Ordinal type: integer ingredient_strength: anyOf: - type: string - type: 'null' title: Ingredient Strength required: - ingredient_ordinal - ingredient_name title: NDCIngredient type: object NDCPackage: properties: description: anyOf: - type: string - type: 'null' title: Description marketing_start_date: anyOf: - type: string - type: 'null' title: Marketing Start Date package_ndc: title: Package Ndc type: string sample: anyOf: - type: boolean - type: 'null' title: Sample required: - package_ndc title: NDCPackage type: object NDCProductSummary: properties: application_number: anyOf: - type: string - type: 'null' title: Application Number brand_name: anyOf: - type: string - type: 'null' title: Brand Name dosage_form: anyOf: - type: string - type: 'null' title: Dosage Form finished: anyOf: - type: boolean - type: 'null' title: Finished generic_name: anyOf: - type: string - type: 'null' title: Generic Name labeler_name: anyOf: - type: string - type: 'null' title: Labeler Name listing_expiration_date: anyOf: - type: string - type: 'null' title: Listing Expiration Date marketing_category: anyOf: - type: string - type: 'null' title: Marketing Category marketing_start_date: anyOf: - type: string - type: 'null' title: Marketing Start Date openfda_manufacturer_name: anyOf: - type: string - type: 'null' title: Openfda Manufacturer Name openfda_rxcui: anyOf: - type: string - type: 'null' title: Openfda Rxcui openfda_unii: anyOf: - type: string - type: 'null' title: Openfda Unii product_id: anyOf: - type: string - type: 'null' title: Product Id product_ndc: title: Product Ndc type: string product_type: anyOf: - type: string - type: 'null' title: Product Type route: anyOf: - type: string - type: 'null' title: Route spl_id: title: Spl Id type: string required: - product_ndc - spl_id title: NDCProductSummary type: object ReliabilityMetadata: description: User-visible reliability metadata attached to API responses. properties: data_sources: additionalProperties: type: string description: Data-source backends used to build this response. title: Data Sources type: object dataset_versions: additionalProperties: type: string description: >- CMS/DHCS/NLM/FDA named versions used to compose this response (e.g. mpfs=CY2026, ipps=FY2026). See GET /v1/data/changes. title: Dataset Versions type: object degraded: default: false description: True when a fallback or non-primary source path was used. title: Degraded type: boolean generated_at: description: UTC timestamp when the response payload was composed. title: Generated At type: string warnings: description: Human-readable caveats relevant to downstream consumers. items: type: string title: Warnings type: array required: - generated_at title: ReliabilityMetadata 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 securitySchemes: APIKeyHeader: in: header name: X-API-Key type: apiKey ````