{"uid":"cap_2PijD9oXIA8OEzG-V4rdH","slug":"news2-score-calculator-rcp-2017-chart-1-3babb48b","name":"NEWS2 Score Calculator (RCP 2017 Chart 1)","description":"NEWS2 from RCP 2017 Chart 1: respiratory rate, SpO2 on caller-assigned Scale 1 or Scale 2, supplemental oxygen, temperature (C), systolic BP, heart rate, and caller-assigned ACVPU (alert 0; confusion, voice, pain, or unresponsive 3 each) summed to 0-20. Returns Chart 2 clinical_risk (low / low-medium / medium / high) and red_score. Not NEWS 2012; not an ICU-admission order.","url":"https://api.magentlab.com/api/calc/news2","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":["systolic_mm_hg","heart_rate_bpm","respiratory_rate","temperature_c","spo2_percent","spo2_scale","supplemental_oxygen","acvpu"],"properties":{"acvpu":{"enum":["alert","confusion","voice","pain","unresponsive"],"type":"string","description":"Caller-assigned ACVPU (alert, confusion, voice, pain, or unresponsive). RCP NEWS2 2017 Chart 1: alert → 0; confusion, voice, pain, or unresponsive → 3 each. magent does not compute GCS here."},"spo2_scale":{"enum":[1,2],"type":"integer","description":"Caller-assigned SpO2 scale (1 or 2). Scale 1 is the usual target. Scale 2 is only for a prescribed 88-92% target in confirmed hypercapnic respiratory failure. magent does not choose the scale."},"spo2_percent":{"type":"number","description":"Oxygen saturation percent (50-100). Scale 1: ≤91 → 3, 92-93 → 2, 94-95 → 1, ≥96 → 0. Scale 2: ≤83 → 3, 84-85 → 2, 86-87 → 1, 88-92 → 0; ≥93 on air → 0; 93-94 on oxygen → 1, 95-96 on oxygen → 2, ≥97 on oxygen → 3."},"temperature_c":{"type":"number","description":"Temperature in °C (30.0-45.0). RCP NEWS2 2017 Chart 1: ≤35.0 → 3, 35.1-36.0 → 1, 36.1-38.0 → 0, 38.1-39.0 → 1, ≥39.1 → 2. magent does not convert Fahrenheit."},"heart_rate_bpm":{"type":"integer","description":"Heart rate in beats/min (integer 30-220). RCP NEWS2 2017 Chart 1: ≤40 → 3, 41-50 → 1, 51-90 → 0, 91-110 → 1, 111-130 → 2, ≥131 → 3."},"systolic_mm_hg":{"type":"integer","description":"Systolic blood pressure in mm Hg (integer 0-300). RCP NEWS2 2017 Chart 1: ≤90 → 3, 91-100 → 2, 101-110 → 1, 111-219 → 0, ≥220 → 3."},"respiratory_rate":{"type":"integer","description":"Respiratory rate in breaths/min (integer 0-80). RCP NEWS2 2017 Chart 1: ≤8 → 3, 9-11 → 1, 12-20 → 0, 21-24 → 2, ≥25 → 3."},"supplemental_oxygen":{"type":"boolean","description":"Any supplemental oxygen as assigned by the caller (true or false). RCP NEWS2 2017 Chart 1: true → 2, false → 0. On Scale 2 this also selects air vs oxygen SpO2 bands at ≥93%."}}}},"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_M1M9bPY5E5Dd6SVeOXCSm","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":"Calculates the National Early Warning Score 2 (NEWS2) from seven vital sign and clinical parameters, returning a total score and clinical risk category per RCP 2017 Chart 2.","exampleAgentPrompt":"Can you calculate the NEWS2 score for a patient on Scale 1 SpO2, with a respiratory rate of 22, SpO2 of 94%, no supplemental oxygen, temperature 38.5°C, systolic BP 110 mmHg, heart rate 105 bpm, and ACVPU marked as alert?","exampleUseCases":[{"title":"Ward nurse rapid deterioration check","prompt":"I need to calculate a NEWS2 score for a patient: respiratory rate 18, SpO2 96% on Scale 1, no supplemental oxygen, temperature 37.2°C, systolic BP 118 mmHg, heart rate 88 bpm, and they're alert — what's their clinical risk category?"},{"title":"Hypercapnic patient on Scale 2 SpO2","prompt":"This patient has confirmed hypercapnic respiratory failure so we're using SpO2 Scale 2. Their respiratory rate is 26, SpO2 is 89% on supplemental oxygen, temperature 36.8°C, systolic BP 95 mmHg, heart rate 115 bpm, and ACVPU is confusion — can you give me their NEWS2 score and risk level?"},{"title":"Automated triage pipeline vital sign scoring","prompt":"Run a NEWS2 calculation on these obs: respiratory rate 12, SpO2 98% on Scale 1, no supplemental oxygen, temp 35.8°C, systolic 145 mmHg, heart rate 72 bpm, ACVPU alert — I need the total score and whether it triggers a red score."}],"resultDescription":"Returns the computed NEWS2 aggregate score (integer 0–20) derived from Chart 1 weighted subscores, plus a Chart 2 clinical risk category string (low, low-medium, medium, or high) and a red_score indicator flagging single-parameter extreme derangements. Does not include ICU admission recommendations or GCS computation.","failureModes":["Missing required query parameters returns a validation error","spo2_percent out of range (50–100) returns an error","temperature_c outside 30.0–45.0 range rejected","Invalid ACVPU enum value returns error","Invalid spo2_scale (not 1 or 2) returns error","heart_rate_bpm or systolic_mm_hg outside valid integer range rejected","Payment failure (x402) if USDC not provided"],"whenToPreferThis":"Use this endpoint when you need a standards-compliant RCP 2017 NEWS2 score computed server-side from raw vital sign parameters, especially in clinical triage agents, hospital deterioration monitoring pipelines, or EHR automation where reproducibility and correct Chart 1/Chart 2 mapping matters. Prefer this over manual calculation to eliminate scoring errors. Not suitable for ICU admission decisions, GCS computation, or the original NEWS 2012 scoring system.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:02:09.900Z","isFirstParty":false}