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Transtubular Potassium Gradient (TTKG)

May help in patients with hyper- or hypokalemia (defined as K+ <3.5 or >5.0 mEq/L in this calculator).

Urine potassium mmol/L or mEq/L

Serum potassium mmol/L or mEq/L

Urine osmolality mOsm/kg

Serum osmolality mOsm/kg

Complete the fields and press Calculate.

Note: MedicalC is NOT medical software and does NOT issue diagnoses or treatment recommendations. The calculators are for educational and informational purposes, use published medical formulas, and are not a substitute for medical consultation. Results should be interpreted by professionals.Read the full disclaimer.

Nephrology

Transtubular Potassium Gradient (TTKG)