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Computes the Westley 1978 croup severity score (0–17) from five caller-assigned clinical signs: consciousness, cyanosis, stridor, air entry, and retractions.

Returns the McKhann 1984 NINCDS-ADRDA diagnostic category token and its published defining-features description for a caller-assigned Alzheimer's classification (definite, probable, possible, or unlikely).

Estimates the probability of achieving 1, 2, or 3 live births from a banked cohort of mature oocytes, using Goldman 2017 counseling parameters for elective egg freezing.

Calculates neonatal early-onset sepsis risk using Puopolo 2011 prior probability (from maternal/obstetric factors) combined with Escobar 2014 Bayesian posterior update from clinical exam category

Calculates urine anion gap (Na + K − Cl) from urine electrolytes and returns an interpretive band distinguishing GI bicarbonate loss from renal tubular acidosis (RTA).

Computes the transtubular potassium gradient (TTKG) from plasma potassium, urine potassium, plasma osmolality, and urine osmolality using the Ethier 1990 formula.

Classifies ulcerative colitis severity as mild, moderately severe, or severe using the original Truelove & Witts 1955 criteria based on stool frequency, macroscopic blood, and systemic flags.

Calculates logistic probabilities of a serious underlying diagnosis and of event recurrence after a brief resolved unexplained event (BRUE) using Nama 2022 Supplemental Table 7 predictors including age, history, prematurity, and event characteristics.

Computes TRISS probability of survival using Boyd 1987 original MTOS coefficients from caller-supplied RTS, ISS, age, and trauma mechanism.

Applies the Yokoe 2018 TG18 criteria to classify acute cholecystitis diagnosis (none/suspected/definite) and severity grade (I/II/III) from caller-assigned clinical findings

Calculates pediatric head CT necessity risk (high vs. low) using the Palchak 2003 rule for children aged 0–17 after blunt head trauma

Computes the Revised Tokuhashi 2005 score (0–15) for estimating prognosis in patients with spinal metastases, returning a numeric total and survival band.

Calculates the TIMI risk score (0–7) for unstable angina and NSTEMI from patient age and six clinical flags, returning the total and component breakdown.

Computes the Morrow InTIME-II TIMI risk index (HR × (age/10)² / SBP) and returns the patient's published risk group among the five standard categories

Computes the Terrapon 2021 Therapy-Disability-Neurology (TDN) composite adverse-event grade from caller-assigned therapy tier, modified Rankin Scale, and new neurologic deficit flag.

Computes the Yücel 2006 TASH score from seven caller-supplied trauma parameters to estimate likelihood of massive transfusion need

Computes the Swede colposcopy score from five caller-assigned 0–2 items and returns the total score with its risk band for high-grade cervical lesions.

Computes the STUMBL integer risk score for complications after blunt chest wall trauma based on age, rib fracture count, chronic lung disease, anticoagulant use, and SpO2.

Computes the Chung 2008 Appendix 2 STOP-Bang obstructive sleep apnea screening score (0–8) from four caller-assigned STOP flags and four calculated BANG items, returning low-risk (0–2) or elevated-risk (≥3) bands.

Computes the fecal osmotic gap using the Eherer–Fordtran 1992 formula: stool osmolality minus 2×(stool Na + stool K), defaulting stool osm to 290 mOsm/kg if not provided.

Applies the Berlin 2012 definition to classify Acute Respiratory Distress Syndrome (ARDS) as none, mild, moderate, or severe based on caller-supplied clinical flags and PF ratio.

Computes the Simplified Disease Activity Index (SDAI) score and disease activity state from swollen joint count, tender joint count, patient global, evaluator global, and CRP.

Calculates the ESC 2021 SCORE2 10-year risk (%) of fatal and non-fatal cardiovascular events for adults aged 40–69 using sex, smoking status, systolic BP, non-HDL cholesterol, and European geographic risk region.

Computes the Morgan 1999 SCOFF questionnaire score (0–5) from five caller-assigned yes/no flags and returns a screen-positive flag when score ≥ 2

Calculates estimated GFR in children using the 2009 Schwartz bedside CKiD formula (0.413 × height_cm / creatinine_mg_dL), accepting height and creatinine in multiple units

Computes the Extermann 2012 CRASH chemotherapy toxicity score (hematologic 0–6, nonhematologic 0–8, combined 0–12) and returns a four-level toxicity risk band (low/medium_low/medium_high/high) with derivation incidences.

Computes the España 2006 SCAP (Severe Community-Acquired Pneumonia) score from eight caller-assigned clinical flags and returns a severity classification and total score.

Calculates the Serum-Ascites Albumin Gradient (SAAG) using Runyon 1992 criteria and flags portal hypertension physiology when SAAG ≥ 1.1 g/dL

Computes the Bateman 2015 Risk Score for Exacerbations (RSE) using Table II normalized points from BMI, ACQ-5, FEV1 % predicted, daily rescue occasions, and GINA step, returning a 0–100 integer score.

Computes the Rapid Shallow Breathing Index (f/VT) from respiratory rate and tidal volume, and flags if the ratio exceeds the 105 breaths/min/L weaning threshold

Calculates the ROX index as (SpO2% / FiO2) / respiratory rate per the Roca 2016 definition, returning the result rounded to two decimals.

Computes the Franck 2008 Withdrawal Assessment Tool-1 (WAT-1) score for pediatric iatrogenic opioid/benzodiazepine withdrawal monitoring from 11 caller-assigned integer inputs

Computes the Rome II criteria for irritable bowel syndrome given four caller-assigned boolean flags about abdominal symptoms over the past 12 months.

Computes the complete post-endoscopy Rockall score for risk-stratifying acute upper GI haemorrhage patients, returning a score from 0 to 11.

Calculates the Rockall 1996 pre-endoscopy admission score for acute upper GI haemorrhage from age, blood pressure, heart rate, and comorbidity.

Computes the Recurrent Instability of the Patella (RIP) score per Hevesi 2019 from caller-supplied age, skeletal maturity, trochlear dysplasia status, and TT-TG/PL ratio, returning a total score and risk band.

Computes the RIETE score for 3-month major bleeding risk after acute VTE, returning a numeric score and low/intermediate/high risk category.

Computes the Chapman 2016 RibScore (0–6) from six caller-assigned radiographic boolean flags, each worth 1 point, linearly associated with pneumonia, respiratory failure, and tracheostomy risk.

Computes the Buchholz 2023 Revised Intensity Battle Score for rib fracture ICU triage by summing weighted components: fractured rib levels, chest tube, pulmonary contusions, COPD, and GCS, rounded to an integer.

Calculates the number of RhD immune globulin (RhIG) vials required after fetomaternal hemorrhage using the Kleihauer–Betke percent and maternal blood volume, following ACOG Practice Bulletin 181 and AABB Technical Manual rounding rules.

Calculates Relative Fat Mass (RFM) from height, waist circumference, and sex using the Woolcott 2018 published formula

Computes the 10-year cardiovascular disease (CVD) risk percentage for women using the Ridker 2007 Reynolds Risk Score Model B formula with natural-log Box transformation.

Calculates the Revised Geneva Score (Le Gal 2006) for pre-test probability of pulmonary embolism in emergency department patients

Computes the Benza 2019 REVEAL 2.0 score and risk stratum (low/intermediate/high) for 12-month mortality in pulmonary arterial hypertension patients.

Calculates corrected reticulocyte count (CRC), Hillman 1969 maturation-shift reticulocyte index (RI), and optionally absolute reticulocyte count (ARC) from retic%, hematocrit, and optionally RBC count.

Computes the R.E.N.A.L. nephrometry score (sum 4–12) from five caller-assigned kidney mass descriptors per the Kutikov 2009 scoring system

Calculates the REMA score to estimate likelihood of mast cell clonality in patients with anaphylaxis or systemic reactions, based on sex, serum baseline tryptase, cutaneous symptoms, and syncope.

Computes the Reid 1985 four-sign colposcopic index (RCI) score and grade from four caller-supplied 0–2 integer scores (margin, color, vessels, iodine), returning a total (0–8) and low/intermediate/high-grade band.

Computes the Nguyen 2018 READMITS integer score predicting 30-day all-cause readmission risk after acute myocardial infarction, using seven first-day clinical variables.

Computes the AHA PREVENT model's base 10-year total cardiovascular disease (ASCVD + heart failure) risk percentage for adults aged 30–79 using sex-specific, race-free Table S12 coefficients.

Computes the Knight 2002 CRAFFT score (0–6) from six yes/no flags and returns screen-positive status at the validated ≥2 cutoff.

Computes the Costa 2017 PRECISE-DAPT integer score (0–100) for predicting bleeding risk after coronary stenting, flagging high bleeding risk when score ≥25

Calculates the PRE score (age + 2×NIHSS − 10×ASPECTS) for acute ischemic stroke patients, returning the integer score, quartile classification, and recanalization-benefit stratum.

Applies the CATCH (2010) clinical decision rule to determine if CT is indicated after pediatric minor head injury, returning high/medium/low risk classification based on 7 caller-assigned findings.

Calculates the Wischmeyer 2018 Perioperative Nutrition Score (PONS) from four caller-assigned boolean flags, returning a 0–4 score and a high-risk flag.

Computes the HOSPITAL score for 30-day potentially avoidable readmission risk, returning a numeric score and risk band (low/intermediate/high) based on seven caller-supplied clinical flags.

Computes the Cumulative Illness Rating Scale for Geriatrics (CIRS-G) total score and count of severely-rated categories from 14 caller-assigned organ-system severity integers (0–4).

Computes the PLAN score for ischemic stroke outcome prediction using O'Donnell 2012 Arch Intern Med Table 4 clinical variables

Computes the Rello 2009 PIRO score (0–8) for ICU community-acquired pneumonia severity from caller-supplied clinical features, returning a numeric score and risk band.

Applies the CAM-ICU algorithm to four caller-supplied feature flags and returns whether delirium is present or absent.

Calculates albumin-adjusted (corrected) total phenytoin concentration using the Sheiner–Tozer or Winter–Tozer formula, with a renal impairment adjustment factor.

Computes the Greving 2014 PHASES score and 5-year rupture risk percentage for an unruptured intracranial aneurysm based on six caller-assigned clinical inputs.

Computes the Paediatric Glasgow Coma Scale (PGCS) total score (3–15) from caller-assigned eye (1–4), verbal (1–5), and motor (1–6) integer scores using the Reilly 1988 method.

Computes the Sgarbossa 1996 GUSTO-1 score for identifying AMI in left bundle-branch block using three Boolean ECG criteria assigned by the caller

Calculates the Monaghan 2005 Brighton Paediatric Early Warning Score (PEWS) from behaviour, cardiovascular, respiratory, and supplemental parameters, returning score_ge_3.

Returns hold-before and resume-after day counts for elective perioperative DOAC interruption based on drug and procedure bleed risk, per Douketis 2022 ACCP PAUSE-style recommendations 22-25.

Evaluates all eight PERC criteria with the Madsen 2019 altitude adjustment (SpO2 threshold ≥90% instead of ≥95%) to determine if a low-pretest-probability patient is PERC-negative for pulmonary embolism at high altitude.

Computes the Cucchiara 2008 sICH risk score (0–4) and returns the corresponding symptomatic intracranial hemorrhage probability after IV rtPA for ischemic stroke.

Calculates the OPTN Policy 9 Table 9-1 PELD-Cr score for pediatric liver transplant candidates under age 12 using age, albumin, bilirubin, INR, creatinine/dialysis status, and CDC growth Z-score.

Calculates the recommended uncuffed pediatric endotracheal tube internal diameter in millimetres using the Cole 1957 formula: age_years/4 + 4

Applies the PECARN pediatric head CT decision rule to classify children (age 0-17) as high, intermediate, or low risk for clinically important traumatic brain injury, recommending CT only for high-risk cases.

Calculates predicted adult peak expiratory flow (L/min) using the Nunn and Gregg 1989 sex-specific logarithmic regression from age, sex, and height

Computes the PE-SARD score for predicting early major bleeding risk in acute pulmonary embolism patients using three clinical flags: syncope, anemia, and renal dysfunction.

Computes the 2016 SETscore (0–48) from 15 caller-assigned clinical flags to predict tracheostomy need after stroke, and returns an elevated flag if score ≥ 8.

Computes the Hyams 1991 PCDAI score (0–100) by summing eleven caller-assigned item points for pediatric Crohn's disease activity assessment.

Computes the PC-PTSD-5 (Primary Care PTSD Screen for DSM-5) score from a caller-assigned lifetime trauma-exposure gate and five yes/no past-month symptom items.

Computes the Biagini Myers 2019 Pediatric Asthma Risk Score (PARS) and returns the predicted probability of asthma by age 7 as an integer percent

Computes the Oakland 2017 risk score (0–35) to determine whether a patient with acute lower gastrointestinal bleeding can be safely discharged from the emergency setting.

Returns the NYHA 1994 functional capacity class label, numeric score, and published description for a caller-supplied class integer (1–4).

Computes the original Odhner 2003 Nonverbal Pain Scale (NVPS) total score (0–10) by summing five caller-assigned behavioral and physiologic subscores.

Computes the Kondrup 2003 NRS-2002 total score (0–7) and at-risk flag for hospitalized adults from nutrition status grade, disease severity grade, and age.

Calculates the Hartley 2021 NIVO score for predicting in-hospital mortality in patients receiving non-invasive ventilation, returning a 0–9 score with Table 4 mortality band.

Calculates the Barry 2021 NIRUDAK integer dehydration severity score (0–13) for patients aged 5–120 years with acute diarrhea, classifying them into no, some, or severe dehydration bands.

Calculates pediatric IV maintenance fluid volumes (daily and hourly) using NICE NG29 Holliday–Segar rules with sex-based 24-hour caps and ADH-risk restriction options

Calculates adult hospital routine IV maintenance fluid requirements per NICE guideline CG174, returning daily volumes of water, sodium, potassium, chloride, and glucose based on dosing weight and a chosen ml/kg/day rate.

Applies the 7-criterion NEXUS Chest rule to determine whether chest radiography is indicated in blunt trauma patients by checking for the presence of any of seven caller-assigned clinical findings.

Evaluates the five NEXUS low-risk criteria to determine whether cervical-spine imaging is indicated after blunt trauma in adults

Calculates the National Early Warning Score (NEWS, RCP 2012 Chart 1) from six vital signs and AVPU, returning a 0–20 total, Chart 2 clinical risk tier, and red-score flag.

Estimates total blood volume in liters for adults using the Nadler 1962 equations, given sex, height, and weight

Computes the Kasymjanova 2010 prognostic index (PI 0–2) for advanced non-small-cell lung cancer using caller-supplied CRP (mg/L) and WBC (×10⁹/L) values.

Evaluates 15 caller-assigned boolean flags to determine whether IV alteplase (IVT) is contraindicated per Powers 2018 AHA/ASA Table 6 Class III: Harm criteria

Calculates intravenous gravity drip rate in drops per minute and mL/hour given volume, infusion duration, and administration set drop factor.

Computes the Injury Severity Score (ISS) from caller-provided AIS grades for the six standard body regions using the Baker 1974 published formula.

Classifies immune checkpoint inhibitor-related pneumonitis severity into CTCAE G1–G4 grades per Brahmer 2018 ASCO Table 3.1 and returns the corresponding ICPi management recommendation (hold or permanently discontinue).

Computes ASCO 2018 Brahmer irAE nephritis grade (0–4) from creatinine vs baseline and clinical flags, and returns ICI management action (continue, consider_hold, hold, or permanently_discontinue).

Evaluates IMWG 2014 criteria (Rajkumar 2014) to determine whether a patient meets the definition of multiple myeloma requiring therapy based on CRAB features and SLiM biomarkers

Calculates the 7-factor IMPROVE VTE risk score for hospitalized medical patients based on caller-assigned clinical flags and patient age.

Calculates the IMPROVE bleeding-risk score for hospitalized medical patients based on 13 clinical risk factors to identify those at elevated bleeding risk during VTE prophylaxis decisions.

Computes the Park 2016 ICE Table 5 simplified score and corresponding quadratic 6-month in-hospital mortality estimate for infective endocarditis, plus a flag indicating high-risk (score ≥ 8).

Computes the IDF-DAR 2021 fasting risk score for diabetic patients considering Ramadan fasting, returning a numeric total and low/moderate/high risk tier.