---
title: "Return a single NAACCR item by XML ID or item number"
method: GET
path: "/rest/naaccr/{version}/{id}"
tags: ["naaccr"]
---

# Return a single NAACCR item by XML ID or item number

`GET /rest/naaccr/{version}/{id}`

## Request

- Base URL: `https://api.seer.cancer.gov`
- URL: `https://api.seer.cancer.gov/rest/naaccr/{version}/{id}`
- Auth: API key in header `X-SEERAPI-Key`
- TypeScript: <https://skmtc.dev/cancer/apis/seer-api/docs/rest/naaccr/:version/:id/get.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `version` string, required
- `id` string, required

## Response `200`

Success

- NaaccrItemDto
  - `item_number` string
  - `item_name` string
  - `item_data_type` string
  - `item_length` string
  - `year_implemented` string
  - `version_implemented` string
  - `xml_naaccr_id` string
  - `xml_parent_id` string
  - `record_types` string[]
  - `section` string
  - `source_of_standard` string
  - `date_created` string, date-time
  - `date_modified` string, date-time
  - `description` string
  - `general_notes` string
  - `clarification` string
  - `rationale` string
  - `npcr_collect` string
  - `coc_collect` string
  - `seer_collect` string
  - `cccr_collect` string
  - `alternate_names` string[]
  - `format` string
  - `code_note` string
  - `code_description` string
  - `allowable_values` string
  - `allowed_codes` AllowedCode[]
    - `code` string
    - `description` string
  - `year_retired` string
  - `version_retired` string

## Other responses

- `404`: Unknown NAACCR ID or number

---

[API](https://skmtc.dev/cancer/apis/seer-api.md) - [All operations](https://skmtc.dev/cancer/apis/seer-api/llms.txt) - [OpenAPI document](https://skmtc.dev/cancer/apis/seer-api/revisions/f6634f7497ad?raw)