For doctors
Rheumatology calculators, classification criteria and practical guides — referenced, free, and fast on a phone in the OPD.
Every formula cited · Nothing storedDisease activity & prescribing
DAS28 (ESR & CRP)
Disease activity in RA with standard cut-offs.
Rheumatoid arthritisCDAI & SDAI
Bedside RA activity — CDAI needs no lab test.
Rheumatoid arthritisASDAS (CRP & ESR)
Axial SpA activity with 2018 cut-offs.
Axial SpABASDAI
Six-question axial SpA activity index.
Axial SpASLEDAI-2K
Weighted lupus activity over 30 days.
SLESteroid dose converter
Prednisolone, deflazacort, methylpred, dexamethasone.
PrescribingeGFR (CKD-EPI 2021)
Race-free eGFR with renal dosing reminders.
PrescribingClassification criteria
Designed for research cohorts — they support but do not replace clinical diagnosis.
2010 ACR/EULAR RA
Joint, serology, acute-phase and duration scoring.
Classification2019 EULAR/ACR SLE
ANA entry with weighted domains.
ClassificationASAS axial SpA
Imaging and clinical arms.
ClassificationCASPAR (PsA)
Psoriatic arthritis classification.
Classification2015 ACR/EULAR gout
Clinical, laboratory and imaging domains.
ClassificationGuides
When to refer
Red flags, urgency, tests to send, and how to refer to AIMS Mohali.
For GPs & physiciansDMARD monitoring
Baseline tests, schedules, withhold thresholds, biologic screening.
PrescribingVaccination in rheumatic disease
IRA 2024 consensus summarised by medicine.
PreventionFor healthcare professionals. This calculator supports, and does not replace, clinical judgement. Classification criteria are designed for research cohorts and are not diagnostic criteria. Check results against the source publication before acting on them.