Table 1.

Laboratory results on admission.

Laboratory parameter	Value	Reference
Serum sodium	123	133–145 mmol/L
Serum potassium	7.1	3.5–5.1 mmol/L
Serum chloride	85	98–108 mmol/L
Serum glucose	1123	70–199 mg/dL
Anion gap	34	4–16 mmol/L
Hemoglobin A1c	8.3	≤5.6%
Beta hydroxybutyrate	>8.00	≤0.27 mmol/L
Lactate	4.7	0.5–2.2 mmol/L
Venous pH	6.943	7.330–7.430
Venous pCO2	30	36–48 mmHg
Venous bicarbonate	6.1	22–26 mmol/L
Serum c-peptide	0.1	0.8–5.2 ng/mL
Glutamic acid decarboxylase	>250	0.0–5.0 IU/mL
(GAD65) antibody
T4 free	1.05	0.89–1.76 ng/dL
Thyroid stimulating hormone (TSH)	0.23	0.45–5.33 mIU/L