{"uid":"cap_Zaad4v8ttwPDrOeFqyFDb","slug":"katz-index-of-independence-in-activities-of-daily-living-adl-calculator-840806d2","name":"Katz Index of Independence in Activities of Daily Living (ADL) Calculator","description":"Katz 1963 Index of Independence in Activities of Daily Living: six caller-assigned independence flags (bathing, dressing, toileting, transferring, continence, feeding). Each independent function scores 1; max 6. magent sums the published 0–6 count and does not observe the patient. Not the Barthel Index, not Katz letter grades A–G, and not a rehab order or placement decision. Not a medical device.","url":"https://api.magentlab.com/api/calc/katz","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":["bathing_independent","dressing_independent","toileting_independent","transferring_independent","continence_independent","feeding_independent"],"properties":{"bathing_independent":{"type":"boolean","description":"Caller-assigned Katz 1963 bathing independence (sponge, shower, or tub). true scores 1; false scores 0. magent does not observe the patient."},"feeding_independent":{"type":"boolean","description":"Caller-assigned Katz 1963 feeding independence (gets food from plate into mouth; precutting of meat may be done by another). true scores 1; false scores 0. magent does not observe the patient."},"dressing_independent":{"type":"boolean","description":"Caller-assigned Katz 1963 dressing independence (gets clothes and puts on garments; may have help tying shoes). true scores 1; false scores 0. magent does not observe the patient."},"toileting_independent":{"type":"boolean","description":"Caller-assigned Katz 1963 toileting independence (goes to toilet, gets on and off, arranges clothes, cleans self). true scores 1; false scores 0. magent does not observe the patient."},"continence_independent":{"type":"boolean","description":"Caller-assigned Katz 1963 continence independence (controls urination and bowel movement completely by self). true scores 1; false scores 0. magent does not observe the patient."},"transferring_independent":{"type":"boolean","description":"Caller-assigned Katz 1963 transferring independence (moves in and out of bed and chair; may use an object for support). true scores 1; false scores 0. magent does not observe 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_84EYHUz5qVSN5JMNZx3nu","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":"Computes the Katz 1963 ADL independence score (0–6) by summing six caller-assigned boolean independence flags: bathing, dressing, toileting, transferring, continence, and feeding.","exampleAgentPrompt":"Calculate the Katz ADL score for a patient who is independent in bathing, dressing, and feeding, but dependent in toileting, transferring, and continence.","exampleUseCases":[{"title":"Geriatric discharge planning ADL screen","prompt":"I need to score an elderly patient before discharge: they can bathe and dress themselves, but they can't toilet independently, can't transfer without help, are incontinent, and need help feeding. What's their Katz ADL score?"},{"title":"Long-term care eligibility documentation","prompt":"For our nursing home intake form, calculate the Katz index for a resident who is independent in all six ADL categories — bathing, dressing, toileting, transferring, continence, and feeding."},{"title":"Research cohort functional status baseline","prompt":"I'm building a dataset and need to compute Katz ADL scores for study participants. This participant is independent in bathing, dressing, continence, and feeding, but dependent in toileting and transferring — what's the score?"}],"resultDescription":"Returns a numeric Katz ADL total score from 0 to 6, where each of the six independence flags (bathing, dressing, toileting, transferring, continence, feeding) contributes 1 point if true and 0 if false. The endpoint sums the caller-supplied values only; it does not observe or evaluate the patient.","failureModes":["Missing required boolean flags — returns validation error if any of the six query parameters are absent","Non-boolean values passed for flags — schema validation failure","Payment failure via x402 — 402 response if USDC payment is not processed","Network timeout — transient 5xx if the API is unreachable"],"whenToPreferThis":"Use this endpoint when you need a fast, reproducible computation of the published Katz 1963 ADL 0–6 integer score from six already-assessed boolean independence flags. Prefer it over manual summation in automated pipelines, EHR integrations, or research workflows where consistent scoring logic matters. Do not use it as a substitute for clinical assessment, as a Barthel Index calculator, as a Katz letter-grade (A–G) classifier, or as input to a placement or rehabilitation decision — those are distinct clinical functions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:00:44.128Z","isFirstParty":false}