Emergency · LIVE

ORT-OUD (Cheatle 2019)

ORT-OUD

Sum nine unweighted Cheatle 2019 ORT-OUD yes/no flags and return oud_class non_oud (0-2) or oud (>=3).

LIVE $0.005 USDC GET /api/calc/ort_oud

Markdown: /docs/ort-oud.md · Canonical: https://magentlab.com/docs/ort-oud

Not a medical device. Not a diagnosis, dose, or listing recommendation.

What it computes

Sum nine unweighted Cheatle 2019 ORT-OUD yes/no flags and return oud_class non_oud (0-2) or oud (>=3).

When to use

When an agent has already assigned the nine Cheatle 2019 flags and needs the published unweighted 0-9 total and cutoff, not Webster 2005 weighted ORT, not an interview, and not a diagnosis of opioid use disorder.

When not to use

Not a medical device.
Not a diagnosis of opioid use disorder (OUD).
Not Webster 2005 weighted ORT (that is magent slug ort). Cheatle 2019 dropped sex-specific weights and the preadolescent sexual abuse item.
Cheatle 2019 enrolled only Caucasian patients of European descent (parent-study genotype design). That is a population limit, not a race coefficient; magent does not take a race input.
The caller assigns each flag. magent does not interview the patient.
Flags are PHI-adjacent. Persist them only encrypted for the allowlisted console.
Age 16-45 is a yes/no flag, not a numeric age. ADD, OCD, bipolar disorder, or schizophrenia is one flag.

Formula

ORT-OUD = family_alcohol + family_illegal_drugs + family_prescription_drugs + personal_alcohol + personal_illegal_drugs + personal_prescription_drugs + age_16_to_45 + add_ocd_bipolar_schizophrenia + depression; each 1; Cheatle 2019; max 9; oud_class non_oud 0-2, oud >=3; no sex; no preadolescent_sexual_abuse

Citation

Title: Development of the Revised Opioid Risk Tool to Predict Opioid Use Disorder in Patients with Chronic Nonmalignant Pain.
Authors: Cheatle MD, Compton PA, Dhingra L, Wasser TE, O'Brien CP
Source: J Pain. 2019;20(7):842-851 (Epub 2019 Jan 26)
DOI: 10.1016/j.jpain.2019.01.011

Worked example

All flags false

Given: add_ocd_bipolar_schizophrenia=falseage_16_to_45=falsedepression=falsefamily_alcohol=falsefamily_illegal_drugs=falsefamily_prescription_drugs=falsepersonal_alcohol=falsepersonal_illegal_drugs=falsepersonal_prescription_drugs=false

every Cheatle 2019 item absent → 0
score = 0; oud_class non_oud

Depression, age 16-45, and family alcohol (cutoff)

Given: add_ocd_bipolar_schizophrenia=falseage_16_to_45=truedepression=truefamily_alcohol=truefamily_illegal_drugs=falsefamily_prescription_drugs=falsepersonal_alcohol=falsepersonal_illegal_drugs=falsepersonal_prescription_drugs=false

depression 1 + age_16_to_45 1 + family_alcohol 1
score = 3; oud_class oud

Also searched as

ORT-OUD
revised opioid risk tool
Cheatle ORT
Cheatle 2019 opioid risk
unweighted opioid risk tool
ORT OUD score

Try

Opens the live endpoint. Unpaid browser requests show the paywall; agents should send Accept: application/json.

/api/calc/ort_oud?family_alcohol=false&family_illegal_drugs=false&family_prescription_drugs=false&personal_alcohol=false&personal_illegal_drugs=false&personal_prescription_drugs=false&age_16_to_45=false&add_ocd_bipolar_schizophrenia=false&depression=false

Full URL: https://api.magentlab.com/api/calc/ort_oud?family_alcohol=false&family_illegal_drugs=false&family_prescription_drugs=false&personal_alcohol=false&personal_illegal_drugs=false&personal_prescription_drugs=false&age_16_to_45=false&add_ocd_bipolar_schizophrenia=false&depression=false

Call

Expect HTTP 402 until you retry with PAYMENT-SIGNATURE. Incomplete query params return HTTP 400 before any quote or charge.

curl -i -H "Accept: application/json" "https://api.magentlab.com/api/calc/ort_oud?family_alcohol=false&family_illegal_drugs=false&family_prescription_drugs=false&personal_alcohol=false&personal_illegal_drugs=false&personal_prescription_drugs=false&age_16_to_45=false&add_ocd_bipolar_schizophrenia=false&depression=false"

Parameters

Name	Type	Required	Description
`family_alcohol`	boolean	required	Family history of alcohol abuse as assigned by the caller (Cheatle 2019). true scores 1. magent does not interview the patient.
`family_illegal_drugs`	boolean	required	Family history of illegal-drug abuse as assigned by the caller (Cheatle 2019). true scores 1. true or false.
`family_prescription_drugs`	boolean	required	Family history of prescription-drug abuse as assigned by the caller (Cheatle 2019). true scores 1. true or false.
`personal_alcohol`	boolean	required	Personal history of alcohol abuse as assigned by the caller (Cheatle 2019). true scores 1. magent does not interview the patient.
`personal_illegal_drugs`	boolean	required	Personal history of illegal-drug abuse as assigned by the caller (Cheatle 2019). true scores 1. true or false.
`personal_prescription_drugs`	boolean	required	Personal history of prescription-drug abuse as assigned by the caller (Cheatle 2019). true scores 1. true or false.
`age_16_to_45`	boolean	required	Age 16-45 years as a flag, not a numeric age (Cheatle 2019). true scores 1. Assigned by the caller.
`add_ocd_bipolar_schizophrenia`	boolean	required	ADD, OCD, bipolar disorder, or schizophrenia as one flag (Cheatle 2019). true scores 1. Assigned by the caller. magent does not diagnose.
`depression`	boolean	required	Depression as assigned by the caller (Cheatle 2019). true scores 1. magent does not diagnose.

Bulk (POST)

POST the same path with a JSON items array. The first item is the GET unit; each additional item is $0.002. Invalid items return HTTP 400 before settlement.

POST /api/calc/ort_oud Max 25 unit_amount + extra_item_amount * (n - 1) extra $0.002 PREVIEW

1 to 25 items. Each item uses the same keys as the GET query parameters.
POST of 1 item costs the same as GET. Lists longer than 25: chunk into multiple POSTs. Extra items still execute; do not pad dummy rows.
The first invalid item fails the whole request (index in the 400 JSON). You are not charged.
HTTP 200 is {count, path, items}. Each items[i] is the GET 200 body for that row.
Catalog misses (empty matches, found=false) stay paid 200s inside that slot.
x402 resource URL is this path plus n and body_sha256. Browsers that prefer text/html get the same paywall as GET; Pay retries POST with the same items.

Example request (fixture)

{
  "items": [
    {
      "add_ocd_bipolar_schizophrenia": "false",
      "age_16_to_45": "false",
      "depression": "false",
      "family_alcohol": "false",
      "family_illegal_drugs": "false",
      "family_prescription_drugs": "false",
      "personal_alcohol": "false",
      "personal_illegal_drugs": "false",
      "personal_prescription_drugs": "false"
    },
    {
      "add_ocd_bipolar_schizophrenia": "false",
      "age_16_to_45": "false",
      "depression": "false",
      "family_alcohol": "false",
      "family_illegal_drugs": "false",
      "family_prescription_drugs": "false",
      "personal_alcohol": "false",
      "personal_illegal_drugs": "false",
      "personal_prescription_drugs": "false"
    }
  ]
}

Open bulk paywall →

Opens a two-item fixture on the API host. Unpaid browsers get the same MetaMask paywall as GET; Pay retries POST with those items.

Example 200 (fixture)

{
  "count": 2,
  "path": "/api/calc/ort_oud",
  "items": [
    {
      "components": [
        {
          "factor": "family_alcohol",
          "points": 0,
          "present": false
        },
        {
          "factor": "family_illegal_drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "family_prescription_drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "personal_alcohol",
          "points": 0,
          "present": false
        },
        {
          "factor": "personal_illegal_drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "personal_prescription_drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "age_16_to_45",
          "points": 0,
          "present": false
        },
        {
          "factor": "add_ocd_bipolar_schizophrenia",
          "points": 0,
          "present": false
        },
        {
          "factor": "depression",
          "points": 0,
          "present": false
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "citation": {
        "authors": "Cheatle MD, Compton PA, Dhingra L, Wasser TE, O'Brien CP",
        "doi": "10.1016/j.jpain.2019.01.011",
        "id": "cheatle-2019",
        "pmid": "30690168",
        "source": "J Pain. 2019;20(7):842-851 (Epub 2019 Jan 26)",
        "title": "Development of the Revised Opioid Risk Tool to Predict Opioid Use Disorder in Patients with Chronic Nonmalignant Pain."
      },
      "formula": "ort_oud",
      "formula_expression": "ORT-OUD = family_alcohol + family_illegal_drugs + family_prescription_drugs + personal_alcohol + personal_illegal_drugs + personal_prescription_drugs + age_16_to_45 + add_ocd_bipolar_schizophrenia + depression; each 1; Cheatle 2019; max 9; oud_class non_oud 0-2, oud >=3; no sex; no preadolescent_sexual_abuse",
      "max_score": 9,
      "score": 0,
      "oud_class": "non_oud"
    },
    {
      "components": [
        {
          "factor": "family_alcohol",
          "points": 0,
          "present": false
        },
        {
          "factor": "family_illegal_drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "family_prescription_drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "personal_alcohol",
          "points": 0,
          "present": false
        },
        {
          "factor": "personal_illegal_drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "personal_prescription_drugs",
          "points": 0,
          "present": false
        },
        {
          "factor": "age_16_to_45",
          "points": 0,
          "present": false
        },
        {
          "factor": "add_ocd_bipolar_schizophrenia",
          "points": 0,
          "present": false
        },
        {
          "factor": "depression",
          "points": 0,
          "present": false
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "citation": {
        "authors": "Cheatle MD, Compton PA, Dhingra L, Wasser TE, O'Brien CP",
        "doi": "10.1016/j.jpain.2019.01.011",
        "id": "cheatle-2019",
        "pmid": "30690168",
        "source": "J Pain. 2019;20(7):842-851 (Epub 2019 Jan 26)",
        "title": "Development of the Revised Opioid Risk Tool to Predict Opioid Use Disorder in Patients with Chronic Nonmalignant Pain."
      },
      "formula": "ort_oud",
      "formula_expression": "ORT-OUD = family_alcohol + family_illegal_drugs + family_prescription_drugs + personal_alcohol + personal_illegal_drugs + personal_prescription_drugs + age_16_to_45 + add_ocd_bipolar_schizophrenia + depression; each 1; Cheatle 2019; max 9; oud_class non_oud 0-2, oud >=3; no sex; no preadolescent_sexual_abuse",
      "max_score": 9,
      "score": 0,
      "oud_class": "non_oud"
    }
  ]
}

Response

Field	Type	Description
`formula`	string	ort_oud
`formula_expression`	string	Exact expression used
`score`	integer	Cheatle 2019 unweighted points 0-9
`max_score`	integer	9
`oud_class`	string	Cheatle 2019 class: non_oud (score 0-2) or oud (score >=3). Integer cutoff for the paper's 2.5. Not Webster low/moderate/high. Not a diagnosis of opioid use disorder.
`components`	array	Per-item unweighted points
`citation`	object	Cheatle et al. Journal of Pain 2019 citation
`disclaimer`	string	Not-a-device notice

Example JSON

Machine form of the same example. Frozen fixture. Not a live lookup.

{
  "components": [
    {
      "factor": "family_alcohol",
      "points": 0,
      "present": false
    },
    {
      "factor": "family_illegal_drugs",
      "points": 0,
      "present": false
    },
    {
      "factor": "family_prescription_drugs",
      "points": 0,
      "present": false
    },
    {
      "factor": "personal_alcohol",
      "points": 0,
      "present": false
    },
    {
      "factor": "personal_illegal_drugs",
      "points": 0,
      "present": false
    },
    {
      "factor": "personal_prescription_drugs",
      "points": 0,
      "present": false
    },
    {
      "factor": "age_16_to_45",
      "points": 0,
      "present": false
    },
    {
      "factor": "add_ocd_bipolar_schizophrenia",
      "points": 0,
      "present": false
    },
    {
      "factor": "depression",
      "points": 0,
      "present": false
    }
  ],
  "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
  "citation": {
    "authors": "Cheatle MD, Compton PA, Dhingra L, Wasser TE, O'Brien CP",
    "doi": "10.1016/j.jpain.2019.01.011",
    "id": "cheatle-2019",
    "pmid": "30690168",
    "source": "J Pain. 2019;20(7):842-851 (Epub 2019 Jan 26)",
    "title": "Development of the Revised Opioid Risk Tool to Predict Opioid Use Disorder in Patients with Chronic Nonmalignant Pain."
  },
  "formula": "ort_oud",
  "formula_expression": "ORT-OUD = family_alcohol + family_illegal_drugs + family_prescription_drugs + personal_alcohol + personal_illegal_drugs + personal_prescription_drugs + age_16_to_45 + add_ocd_bipolar_schizophrenia + depression; each 1; Cheatle 2019; max 9; oud_class non_oud 0-2, oud >=3; no sex; no preadolescent_sexual_abuse",
  "max_score": 9,
  "score": 0,
  "oud_class": "non_oud"
}

Client errors (HTTP 400)

Invalid params return 400 without charge. Shared HTTP 402 and 503 meanings: Payments.

HTTP	Code	When
400	`invalid_ort_oud`	ORT-OUD needs nine unweighted yes/no flags (Cheatle 2019; no preadolescent-sexual-abuse item). Returned before settlement; you are not charged.
400	`invalid_flag`	boolean clinical flags must be true or false Returned before settlement; you are not charged.
400	`invalid_items`	POST body must be a JSON object with only an items array Returned before settlement; you are not charged.
400	`invalid_item_count`	items must be an array of 1 to 25 objects Returned before settlement; you are not charged.
400	`invalid_item`	each items entry must be a JSON object Returned before settlement; you are not charged.

Related tools

ORT — Sum Webster 2005 Table 1 Opioid Risk Tool item weights for the assigned sex and return the published low, moderate, or high category.
COWS — Sum the eleven Wesson 2003 Clinical Opiate Withdrawal Scale (COWS) items from caller-assigned appendix integers and return the published total (max 48) with the published severity cutoffs.
PAWSS — Apply the Maldonado 2014 PAWSS Part A threshold and ten yes/no items and return the published 0–10 total with the ≥4 high-risk band.

Payment

Unpaid requests return HTTP 402 even if query parameters or POST items are missing or invalid, so CDP and agents can index the path. After a PAYMENT-SIGNATURE, invalid params return HTTP 400 JSON before settlement. magent does not charge. Fix the params, then request a new 402 quote for that complete URL. Catalog misses (empty matches, found=false) are valid paid 200s. Unpaid valid requests return HTTP 402 with a base64 PAYMENT-REQUIRED header. HTTP 503 is not a new quote: retry the same PAYMENT-SIGNATURE. Full handshake and shared payment errors: Payments. Stdio MCP: /docs/mcp.

Guarantees

HTTP 402 is unpaid, including a missing query. After PAYMENT-SIGNATURE, invalid parameters return HTTP 400 before settlement. You are not charged. HTTP 402 never includes the tool JSON.
exact: settlement finishes before the tool (paymentFlow upfront). batch-settlement: verify/deposit before the tool; chargedCumulativeAmount commits after HTTP 2xx. Uncertain or failed settlement fails closed (HTTP 503). Retry the same PAYMENT-SIGNATURE.
HTTP 402 is unpaid only. Do not sign a second authorization because of a 503.
Execution is timeout-bounded and concurrency-capped.
Calculator inputs are stored encrypted for allowlisted operators (Magent Console). They are not in public logs, SSH lookups, catalog, or rollups. Request logs store path without query.