Calculadora Laboratorial

Perform basic and scientific calculations.

Calculate BMI to assess body weight.

Calculate the volume needed to dilute a solution.

Adjust serum sodium in hyperglycemia with the Katz (1.6) and Hillier (2.4) factors, side by side.

Adjust total calcium for albumin with the usual form of the Payne adjustment (1973), factor 0.8.

Free and bioavailable testosterone from total testosterone, SHBG and albumin (Vermeulen).

Calculate the anion gap, with optional potassium and albumin correction (Figge, 1998).

Calculated plasma osmolality from sodium, glucose and urea or BUN.

Estimate LDL with the Friedewald formula (1972) and see non-HDL cholesterol too.

Assess iron status from serum iron and TIBC.

Assess insulin resistance from fasting glucose and fasting insulin.

Estimate pancreatic beta-cell function.

Convert HbA1c into estimated average glucose, in mg/dL and mmol/L, with the ADAG equation (2008).

Helps assess the origin of liver injury.

Share of CK-MB in total CK (relative index, %).

Check whether bilirubin may have affected creatinine, based on the laboratory method.

Calculate measured creatinine clearance from a timed urine collection, corrected to 1.73 m², and the Cockcroft-Gault estimate.

Estimate GFR using the CKD-EPI 2021 equation.

Estimate GFR using the MDRD equation (IDMS, without race).

Calculate the urine protein-to-creatinine ratio, estimate 24-hour proteinuria and see the KDIGO category.

Calculate urine protein excretion over 24 hours and see the KDIGO proteinuria category.

Calculate the urine albumin-to-creatinine ratio and see the KDIGO albuminuria category.

Calculate FENa and read it against the ranges published by Espinel (1976).

Calculate FEUrea and read it against the 35% and 50% cutoffs (Carvounis, 2002).

Calculate FEUA and, with collection volume and time, uric acid clearance in mL/min.

Calculate the red blood cell indices.

Differentiate thalassemia minor from iron deficiency anemia.

Assess the bone marrow response by correcting the reticulocyte count for the degree of anemia.

Assess systemic inflammatory status.

Inflammatory and prognostic marker from absolute platelet and lymphocyte counts.