Metabolic Syndrome Criteria Calculator

Metabolic Syndrome Criteria Calculator for Endocrinology. Triglycerides qualify at 150 mg/dL; glucose at 100 mg/dL; blood pressure at systolic 130 or diastolic 85. HDL qualifies below 40 mg/dL in males or below 50 in females. Waist qualifies at the selected cutoff. Three domains are not a cardiovascular event probability.

For shared guidance on choosing a tool and documenting results, read the clinical calculator workflow.

How this calculator works

The 2009 harmonized definition counts five domains: waist, triglycerides, HDL, blood pressure and fasting glucose. Any three meet the definition. The tool evaluates each domain explicitly, including source-specific medication alternatives; nothing defaults to absent because a box was left unchecked.

When to use this calculator

Use when documenting the harmonized adult criteria. Specify the applicable waist cutoff rather than assuming one threshold fits every population. All numeric values are required in this implementation even when treatment qualifies a domain; do not invent missing measurements.

Inputs used

  • Adult sex convention for HDL threshold
  • Waist measurement and a clinician-selected population-appropriate waist cutoff, in cm or inches
  • Fasting triglycerides, HDL and plasma glucose in mmol/L or mg/dL
  • Systolic and diastolic pressure in mmHg
  • Separate explicit treatment status for triglycerides, low HDL, hypertension and hyperglycemia

Clinical interpretation

Triglycerides qualify at 150 mg/dL; glucose at 100 mg/dL; blood pressure at systolic 130 or diastolic 85. HDL qualifies below 40 mg/dL in males or below 50 in females. Waist qualifies at the selected cutoff. Three domains are not a cardiovascular event probability.

Worked example

A male assessment with waist 100 cm and selected cutoff 102, triglycerides 150 mg/dL, HDL 39 mg/dL, pressure 130/80 and glucose 99 mg/dL, with no qualifying treatment, meets three domains: triglycerides, HDL and blood pressure. Waist and glucose do not qualify.

Limitations and safety notes

This is not the central-obesity-required IDF definition used by NAFLD-LFS, and not pediatric criteria. SI calculations use the converted mg/dL boundaries rather than rounded SI equivalents, so very close boundary values require attention to the actual report. General statin use does not automatically establish both lipid-treatment indicators.

Frequently asked questions

Must waist be elevated?

Not in the harmonized definition. Three other qualifying domains can meet it.

Are two domains reassuring?

Not necessarily. Each abnormality merits its own assessment regardless of the total.

References

  • 2009 joint harmonization Table 1: any three domains, population-specific waist, inclusive BP/TG/glucose, strict HDL, treatment alternatives. https://doi.org/10.1161/CIRCULATIONAHA.109.192644
  • Endocrine Society 2019 primary prevention guideline: population-specific waist context, not a universal waist cutoff. https://doi.org/10.1210/JC.2019-01338

Editorial review and citation methodology

Maintained by the Quick Medical Calculator Editorial Team. Content record date: September 9, 2026. A content date is not evidence of independent clinical review. Individual clinical sign-off is not recorded on this page.

  • Prefer original validation studies for scoring systems and prediction tools.
  • Use current specialty society guidance, transplant allocation policy, public health guidance, or regulator resources when they govern clinical use.
  • Include limitations and safety notes when a calculator is population-specific, context-dependent, or unsuitable as a standalone decision tool.

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