Acid-base
Urinary anion gap
UAG = U_Na + U_K − U_Cl. Surrogate for urinary NH₄⁺ in normal-AG metabolic acidosis.
Required inputs
- Urine Na (mEq/L)
- Urine K (mEq/L)
- Urine Cl (mEq/L)
Equation or source
Goldstein MB. Am J Kidney Dis 1986;7:480.
Acid-base
UAG = U_Na + U_K − U_Cl. Surrogate for urinary NH₄⁺ in normal-AG metabolic acidosis.
Goldstein MB. Am J Kidney Dis 1986;7:480.