Table 1. Patient laboratory values suggestive of neuroleptic malignant syndrome.

PCO₂: partial pressure of carbon dioxide; HCO₃: bicarbonate.

Laboratory values	Results	Reference values
pH	7.74	7.35–7.45
PCO2	12	35–48 mmHg
HCO3	16	21–29 mmol/L
White blood count	11	4.8–10.8 × 103/μL
Troponin I	<0.010	0.000–0.040 ng/mL
CK	165	49–269 IU/L
Lactate	3	0.5–2.2 mmol/L