Diagnosaurus
Metabolic acidosis, normal anion gap
Definition
- Gap 6-12 meq
Etiology
- Gastrointestinal loss of HCO3-, e.g., diarrhea, pancreatic ileostomy or ileal loop bladder
- Renal tubular acidosis
- Recovery from diabetic ketoacidosis
- Dilutional acidosis from rapid administration of 0.9% NaCl
- Carbonic anhydrase inhibitors
- Chloride retention or administration of HCl equivalent or NH4Cl
See related DDx
Last updated: December 1, 2014
Citation
Zeiger, Roni F.. "Metabolic Acidosis, Normal Anion Gap." Diagnosaurus, 4th ed., McGraw-Hill Education, 2014. Emergency Central, emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114290/all/Metabolic_acidosis_normal_anion_gap.
Zeiger RFR. Metabolic acidosis, normal anion gap. Diagnosaurus. McGraw-Hill Education; 2014. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114290/all/Metabolic_acidosis_normal_anion_gap. Accessed October 31, 2025.
Zeiger, R. F. (2014). Metabolic acidosis, normal anion gap. In Diagnosaurus (4th ed.). McGraw-Hill Education. https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114290/all/Metabolic_acidosis_normal_anion_gap
Zeiger RFR. Metabolic Acidosis, Normal Anion Gap [Internet]. In: Diagnosaurus. McGraw-Hill Education; 2014. [cited 2025 October 31]. Available from: https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114290/all/Metabolic_acidosis_normal_anion_gap.
* Article titles in AMA citation format should be in sentence-case
TY - ELEC
T1 - Metabolic acidosis, normal anion gap
ID - 114290
A1 - Zeiger,Roni F,
Y1 - 2014/12/01/
BT - Diagnosaurus
UR - https://emergency.unboundmedicine.com/emergency/view/Diagnosaurus/114290/all/Metabolic_acidosis_normal_anion_gap
PB - McGraw-Hill Education
ET - 4
DB - Emergency Central
DP - Unbound Medicine
ER -
