{"uid":"cap_9C6JU5dEnuRDuO76JRKhX","slug":"hirschfeld-2000-mdq-bipolar-screen-calculator-d088961a","name":"Hirschfeld 2000 MDQ Bipolar Screen Calculator","description":"Hirschfeld 2000 Mood Disorder Questionnaire (MDQ): thirteen caller-assigned yes/no lifetime manic/hypomanic items, 1 point each, max 13. Positive screen requires score ≥7 AND same_period AND moderate_or_serious_problem (that paper: sensitivity 0.73 and specificity 0.90 in a psychiatric outpatient sample). Not a bipolar diagnosis, not a medical device, and not Hirschfeld 2003 general-population cutoff tweaks. magent does not interview the patient.","url":"https://api.magentlab.com/api/calc/mdq","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["felt_hyper","irritable","more_self_confident","less_sleep","more_talkative","racing_thoughts","easily_distracted","more_energy","more_active","more_social","more_interested_in_sex","unusual_risky","spending_trouble","same_period","moderate_or_serious_problem"],"properties":{"irritable":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 2: so irritable that they shouted at people or started fights or arguments. true or false as assigned by the caller. magent does not interview the patient."},"felt_hyper":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 1: a period of time not the usual self when felt so good or so hyper that other people thought they were not the normal self, or so hyper that they got into trouble. true or false as assigned by the caller. magent does not interview the patient."},"less_sleep":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 4: got much less sleep than usual and found they didn't really miss it. true or false as assigned by the caller. magent does not interview the patient."},"more_active":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 9: much more active or did many more things than usual. true or false as assigned by the caller. magent does not interview the patient."},"more_energy":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 8: much more energy than usual. true or false as assigned by the caller. magent does not interview the patient."},"more_social":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 10: much more social or outgoing than usual (for example, telephoned friends in the middle of the night). true or false as assigned by the caller. magent does not interview the patient."},"same_period":{"type":"boolean","description":"Hirschfeld 2000 question 2: several of the endorsed symptom items happened during the same period of time. true or false as assigned by the caller. Required for the published positive-screen rule. magent does not interview the patient."},"unusual_risky":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 12: did things that were unusual for them or that other people might have thought were excessive, foolish, or risky. true or false as assigned by the caller. magent does not interview the patient."},"more_talkative":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 5: much more talkative or spoke much faster than usual. true or false as assigned by the caller. magent does not interview the patient."},"racing_thoughts":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 6: thoughts raced through their head or they couldn't slow their mind down. true or false as assigned by the caller. magent does not interview the patient."},"spending_trouble":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 13: spending money got them or their family into trouble. true or false as assigned by the caller. magent does not interview the patient."},"easily_distracted":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 7: so easily distracted by things around them that they had trouble concentrating or staying on track. true or false as assigned by the caller. magent does not interview the patient."},"more_self_confident":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 3: felt much more self-confident than usual. true or false as assigned by the caller. magent does not interview the patient."},"more_interested_in_sex":{"type":"boolean","description":"Hirschfeld 2000 MDQ item 11: much more interested in sex than usual. true or false as assigned by the caller. magent does not interview the patient."},"moderate_or_serious_problem":{"type":"boolean","description":"Hirschfeld 2000 question 3 published positive-screen threshold: the symptoms caused a moderate or serious problem (not no problem or a minor problem). true or false as assigned by the caller. magent does not interpret the four-level item. magent does not interview the patient."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QMKnzlOr7wUOeGxvLkfaM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scores the Hirschfeld 2000 Mood Disorder Questionnaire (MDQ) from 13 yes/no lifetime manic/hypomanic symptom items plus same-period and functional-impairment flags to determine positive screen status.","exampleAgentPrompt":"Score this patient's MDQ: felt_hyper=true, irritable=true, more_self_confident=false, less_sleep=true, more_talkative=true, racing_thoughts=true, easily_distracted=true, more_energy=true, more_active=true, more_social=false, more_interested_in_sex=false, unusual_risky=false, spending_trouble=true, same_period=true, moderate_or_serious_problem=true — does this screen positive for bipolar?","exampleUseCases":[{"title":"Psychiatric intake bipolar screening","prompt":"I just collected a patient's MDQ responses at intake: they said yes to feeling hyper, irritable, less sleep, more talkative, racing thoughts, easily distracted, more energy, more active, and spending trouble — all symptoms occurred in the same period and caused serious problems. Does this screen positive on the Hirschfeld MDQ?"},{"title":"EHR automation for MDQ scoring","prompt":"Our EHR collects the 13 MDQ yes/no answers plus the same-period and impairment questions — can you automatically score the MDQ and tell me if the threshold of 7 with same-period and moderate-or-serious-problem is met? Here's the data: felt_hyper=true, irritable=false, more_self_confident=true, less_sleep=true, more_talkative=true, racing_thoughts=true, easily_distracted=true, more_energy=true, more_active=true, more_social=false, more_interested_in_sex=false, unusual_risky=true, spending_trouble=false, same_period=true, moderate_or_serious_problem=false."},{"title":"Research cohort MDQ positive rate","prompt":"I need to flag which subjects in my dataset meet the Hirschfeld 2000 MDQ positive screen criteria — score ≥7 AND symptoms in the same period AND moderate or serious functional problem. Can you run the MDQ calculation for a subject who answered yes to 8 items (felt_hyper, irritable, less_sleep, more_talkative, racing_thoughts, easily_distracted, more_energy, more_active), same_period=true, moderate_or_serious_problem=true?"}],"resultDescription":"Returns the numeric MDQ score (0–13) reflecting the count of positive symptom items, and a positive-screen boolean that is true only when score ≥7 AND same_period is true AND moderate_or_serious_problem is true, consistent with Hirschfeld 2000 outpatient sensitivity 0.73 / specificity 0.90. Does not diagnose bipolar disorder.","failureModes":["Missing any of the 15 required query parameters returns a 400 error","Non-boolean values for any item parameter cause a validation error","Misinterpreting the result as a clinical diagnosis rather than a screening signal","Confusing this with the Hirschfeld 2003 general-population cutoff variant"],"whenToPreferThis":"Use this endpoint when you need a deterministic, validated scoring implementation of the original Hirschfeld 2000 MDQ (not the 2003 general-population variant) with explicit enforcement of all three positive-screen criteria (score ≥7, same-period, moderate-or-serious-problem). Prefer it over manual tallying to avoid arithmetic errors and criterion misapplication in automated clinical workflows or research pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:00:00.374Z","isFirstParty":false}