{"uid":"cap_ss8_hYVU4OZbyhyZdOLDG","slug":"alsfrs-r-calculator-cedarbaum-1999-756bc529","name":"ALSFRS-R Calculator (Cedarbaum 1999)","description":"Cedarbaum 1999 ALSFRS-R: twelve caller-assigned integers 0-4 (speech, salivation, swallowing, handwriting, cutting_food, dressing_hygiene, turning_in_bed, walking, climbing_stairs, dyspnea, orthopnea, respiratory_insufficiency). One cutting_food slot for with or without gastrostomy. Sum 0-48. magent does not examine. Cedarbaum 1999 printed no total-score severity bands. Not a diagnosis, not original 10-item ALSFRS, not Karnofsky or ECOG, and not a medical device.","url":"https://api.magentlab.com/api/calc/alsfrs_r","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":["speech","salivation","swallowing","handwriting","cutting_food","dressing_hygiene","turning_in_bed","walking","climbing_stairs","dyspnea","orthopnea","respiratory_insufficiency"],"properties":{"speech":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 speech (integer 0-4): 4 normal speech processes; 3 detectable speech disturbance; 2 intelligible with repeating; 1 speech combined with nonvocal communication; 0 loss of useful speech. magent does not examine the patient."},"dyspnea":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 dyspnea (integer 0-4): 4 none; 3 occurs when walking; 2 occurs with one or more of eating, bathing, dressing (ADL); 1 occurs at rest, difficulty breathing when either sitting or lying; 0 significant difficulty, considering using mechanical respiratory support. magent does not examine the patient."},"walking":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 walking (integer 0-4): 4 normal; 3 early ambulation difficulties; 2 walks with assistance; 1 nonambulatory functional movement only; 0 no purposeful leg movement. magent does not examine the patient."},"orthopnea":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 orthopnea (integer 0-4): 4 none; 3 some difficulty sleeping at night due to shortness of breath, does not routinely use more than two pillows; 2 needs extra pillows in order to sleep (more than two); 1 can only sleep sitting up; 0 unable to sleep. magent does not examine the patient."},"salivation":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 salivation (integer 0-4): 4 normal; 3 slight but definite excess of saliva in mouth, may have nighttime drooling; 2 moderately excessive saliva, may have minimal drooling; 1 marked excess of saliva with some drooling; 0 marked drooling, requires constant tissue or handkerchief. magent does not examine the patient."},"swallowing":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 swallowing (integer 0-4): 4 normal eating habits; 3 early eating problems, occasional choking; 2 dietary consistency changes; 1 needs supplemental tube feeding; 0 NPO (exclusively parenteral or enteral feeding). magent does not examine the patient."},"handwriting":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 handwriting (integer 0-4): 4 normal; 3 slow or sloppy, all words are legible; 2 not all words are legible; 1 able to grip pen but unable to write; 0 unable to grip pen. magent does not examine the patient."},"cutting_food":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 cutting food and handling utensils (integer 0-4). Patients without gastrostomy and patients with gastrostomy share this single 0-4 slot; the caller assigns 0-4 from whichever Table 1 column applies. Without gastrostomy: 4 normal; 3 somewhat slow and clumsy, but no help needed; 2 can cut most foods, although slow and clumsy, some help needed; 1 food must be cut by someone, but can still feed slowly; 0 needs to be fed. With gastrostomy: 4 normal; 3 clumsy but able to perform all manipulations independently; 2 some help needed with closures and fasteners; 1 provides minimal assistance to caregiver; 0 unable to perform any aspect of task. magent does not examine the patient."},"turning_in_bed":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 turning in bed and adjusting bed clothes (integer 0-4): 4 normal; 3 somewhat slow and clumsy, but no help needed; 2 can turn alone or adjust sheets, but with great difficulty; 1 can initiate, but not turn or adjust sheets alone; 0 helpless. magent does not examine the patient."},"climbing_stairs":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 climbing stairs (integer 0-4): 4 normal; 3 slow; 2 mild unsteadiness or fatigue; 1 needs assistance; 0 cannot do. magent does not examine the patient."},"dressing_hygiene":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 dressing and hygiene (integer 0-4): 4 normal function; 3 independent and complete self-care with effort or decreased efficiency; 2 intermittent assistance or substitute methods; 1 needs attendant for self-care; 0 total dependence. magent does not examine the patient."},"respiratory_insufficiency":{"type":"integer","description":"Caller-assigned Cedarbaum 1999 respiratory insufficiency (integer 0-4): 4 none; 3 intermittent use of NIPPV; 2 continuous use of NIPPV during the night; 1 continuous use of NIPPV during the night and day; 0 invasive mechanical ventilation by intubation or tracheostomy. magent does not examine 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_sgQE2kG-BtRYuWPTYZQ_o","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 ALS Functional Rating Scale–Revised (ALSFRS-R) total score (0–48) from 12 caller-supplied integer subscores across bulbar, fine motor, gross motor, and respiratory domains.","exampleAgentPrompt":"Calculate an ALSFRS-R total score for my ALS patient using Cedarbaum 1999: speech 3, salivation 4, swallowing 3, handwriting 2, cutting food 3, dressing and hygiene 3, turning in bed 3, walking 2, climbing stairs 2, dyspnea 4, orthopnea 4, respiratory insufficiency 4.","exampleUseCases":[{"title":"ALS clinic visit functional tracking","prompt":"My ALS patient at today's clinic visit scored: speech 3, salivation 3, swallowing 3, handwriting 2, cutting food 3, dressing and hygiene 2, turning in bed 3, walking 1, climbing stairs 1, dyspnea 3, orthopnea 4, respiratory insufficiency 4 — can you calculate the Cedarbaum 1999 ALSFRS-R total for the chart?"},{"title":"Research trial eligibility screening","prompt":"We need the ALSFRS-R total for a trial participant: speech 4, salivation 4, swallowing 4, handwriting 3, cutting food 4, dressing and hygiene 3, turning in bed 4, walking 3, climbing stairs 3, dyspnea 4, orthopnea 4, respiratory insufficiency 4 — please compute it."},{"title":"Longitudinal disease progression comparison","prompt":"Six months ago this ALS patient scored 42 on the ALSFRS-R; today's subscores are speech 2, salivation 3, swallowing 2, handwriting 1, cutting food 2, dressing and hygiene 1, turning in bed 2, walking 0, climbing stairs 0, dyspnea 2, orthopnea 3, respiratory insufficiency 3 — what's the new total so we can compare?"}],"resultDescription":"Returns the ALSFRS-R total score (integer 0–48) summed from the 12 provided subscores across bulbar (speech, salivation, swallowing), fine motor (handwriting, cutting food, dressing/hygiene), gross motor (turning in bed, walking, climbing stairs), and respiratory (dyspnea, orthopnea, respiratory insufficiency) domains. No severity band labels are returned (Cedarbaum 1999 published none). The endpoint performs arithmetic only and does not interpret, diagnose, or examine patients.","failureModes":["Missing any of the 12 required query parameters returns an error","Subscore values outside the 0–4 integer range are rejected","Non-integer values (floats, strings) for subscores cause validation failure","Payment failure via x402 protocol blocks the call","Incorrect HTTP method (non-GET) returns method not allowed"],"whenToPreferThis":"Use this endpoint when you need a programmatic, auditable sum of all 12 Cedarbaum 1999 ALSFRS-R subscores without manual arithmetic. Prefer it over manual totaling to avoid transcription errors in clinical or research workflows. Note this is the revised 12-item scale, not the original 10-item ALSFRS; do not use it for Karnofsky, ECOG, or other ALS functional scales.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:49:06.662Z","isFirstParty":false}