Corrected Calcium for Albumin (Payne Formula)
Adjusts measured serum calcium for albumin levels to estimate physiologically active calcium. Based on the Payne formula developed in 1973.
Calcium-Creatinine Clearance Ratio (CCCR)
Differentiates familial hypocalciuric hypercalcemia (FHH) from primary hyperparathyroidism (PHPT) using 24-hour urine and serum measurements.
Finnish Diabetes Risk Score (FINDRISC)
A validated 8-item questionnaire to assess 10-year risk of developing type 2 diabetes. Score ranges from 0-26 with higher scores indicating greater risk.
HbA1c to Estimated Average Glucose (eAG)
Converts HbA1c percentage to estimated average glucose (eAG) in mg/dL or mmol/L using the ADAG study formula endorsed by ADA, EASD, and IDF.
HOMA-IR (Homeostasis Model Assessment for Insulin Resistance)
A widely used surrogate marker for insulin resistance calculated from fasting glucose and fasting insulin levels.
LDL Cholesterol (Friedewald Formula)
Estimates LDL cholesterol from total cholesterol, HDL cholesterol, and triglycerides using the standard Friedewald equation.
Non-HDL Cholesterol
Calculates non-HDL cholesterol, a measure of all atherogenic lipoproteins, by subtracting HDL from total cholesterol.
Burch-Wartofsky Point Scale (BWPS) for Thyroid Storm
A widely used scoring system to assess the likelihood of thyroid storm in patients with biochemical thyrotoxicosis. Score ranges from 0-140 based on 7 clinic...