> ## Documentation Index
> Fetch the complete documentation index at: https://docs.rhizomeai.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CMS HCPCS Level II Codes

> Search filters and result fields of cms_hcpcs_codes.

* **Dataset id:** `cms_hcpcs_codes`
* **Jurisdiction:** US · CMS
* **Date field:** none. A search that sets `date_from` or `date_to` skips this dataset and reports it as `skipped`.
* **Access:** any API key.

## Filters

Send these under `filters.cms_hcpcs_codes` in a [search](/api-reference/v3/search) request. A filter not listed here, or a value of the wrong type, is a 400.

<ParamField body="hcpcs_code" type="string">
  Exact HCPCS Level II code, uppercase (e.g. "J9299", "C1874", "E1399"), or a 2-character modifier (e.g. "A1"). Digit-leading CPT codes are not in this dataset.
</ParamField>

<ParamField body="entry_type" type="string">
  "code" for the \~8,700 HCPCS Level II codes, "modifier" for the \~380 two-character HCPCS modifiers. Omit for both.

  Values: `code`, `modifier`.
</ParamField>

<ParamField body="description" type="string">
  BM25 keyword match on the long and short descriptors (e.g. "wheelchair cushion", "injection pembrolizumab").
</ParamField>

<ParamField body="coverage_code" type="string">
  Exact CMS coverage code, a single uppercase letter. These five are the complete set present in the current release: "C" (carrier judgement), "D" (special coverage instructions apply), "I" (not payable by Medicare), "M" (non-covered by Medicare), "S" (non-covered by Medicare statute).

  Values: `C`, `D`, `I`, `M`, `S`.
</ParamField>

<ParamField body="pricing_indicator_code" type="string">
  Exact CMS pricing indicator code (e.g. "13", "00"), which encodes how the item is priced for Medicare.
</ParamField>

<ParamField body="betos_code" type="string">
  Exact Berenson-Eggers Type of Service (BETOS) code (e.g. "D1E"), a clinical category grouping.
</ParamField>

<ParamField body="is_active" type="boolean">
  True to keep only codes with no termination date (or a future one) as of the current quarterly release; False for retired codes only.
</ParamField>

<ParamField body="added_year" type="integer">
  Exact year the code was added to HCPCS (e.g. 2024).
</ParamField>

<ParamField body="added_year_from" type="integer">
  Inclusive lower bound on the year the code was added.
</ParamField>

<ParamField body="added_year_to" type="integer">
  Inclusive upper bound on the year the code was added.
</ParamField>

## Fields

Each result from this dataset has these in `fields`:

`action_code`, `action_effective_date`, `betos_code`, `code_added_date`, `coverage_code`, `cross_reference_code`, `entry_type`, `hcpcs_code`, `id`, `is_active`, `lab_certification_code`, `long_description`, `pricing_indicator_code`, `short_description`, `source_quarter`, `termination_date`, `url`, `year`


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