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

# Reason code for OHS and drug tests

> System-defined IDs for all reason codes used with OHS and drug screening services.

The following table lists the possible reason codes for OHS and drug screenings. The reasons for a physical and a drug screening appear respectively as `physicalReasonDescription` and `reasonForTest` in the response body of the [`GET /case/id/{caseId}/data/{serviceTypeId}`](/api-reference/cases/get-case-data-by-case-id) endpoint.

| Reason                   | ID                  | Description                               |
| ------------------------ | ------------------- | ----------------------------------------- |
| **Diversion**            | reason-drug-test-di | Applies to drug screenings                |
| **Follow Up**            | reason-drug-test-fu | Applies to drug screenings                |
| **Other**                | reason-drug-test-ot | Applies to drug screenings                |
| **Post Accident**        | reason-drug-test-pa | Applies to drug screenings                |
| **Pre-employment**       | reason-drug-test-pe | The default value for drug screenings     |
| **Periodic Medical**     | reason-drug-test-pm | Applies to drug screenings                |
| **Promotion**            | reason-drug-test-pr | Applies to drug screenings                |
| **Random**               | reason-drug-test-ra | Applies to drug screenings                |
| **Return To Duty**       | reason-drug-test-rd | Applies to drug screenings                |
| **Reasonable Suspicion** | reason-drug-test-rs | Applies to drug screenings                |
| **Transfer**             | reason-drug-test-tr | Applies to drug screenings                |
| **Follow Up**            | reason-physical-fu  | Applies to physical screenings            |
| **New Certification**    | reason-physical-nc  | The default value for physical screenings |
| **Recertification**      | reason-physical-re  | Applies to physical screenings            |