Urine_anion_gap v.1

The urine anion gap in patients.

Therese Lindberg

therese.lindberg@cambio.se

Cambio CDS

To calculate the urine anion gap.

Use to calculate the urine anion gap in order to detect urine acidosis for evaluation of non-gap metabolic acidosis. Formula: Urine Anion Gap (mEq/L) = Na+ + K+ - Cl-

1. Goldstein MB, Bear R, Richardson RM, Marsden PA, Halperin ML. The urine anion gap: a clinically useful index of ammonium excretion. Am J Med Sci. 1986 Oct;292(4):198-202. doi: 10.1097/00000441-198610000-00003. PMID: 3752165.

OBSERVATION.lab_test-serum_sodium.v1, OBSERVATION.lab_test_chloride.v0, OBSERVATION.lab_test_serum_potassium.v1, OBSERVATION.urine_anion_gap.v0