Fatal Nonhepatic Hyperammonemia in ICU Setting: A Rare but Serious Complication following Bariatric Surgery

Table 2

Special laboratory investigation panel.

Lab test	Results	Ref. range
Plasma amino acid profiles:
Alanine	350	200–483 μmol/L
Arginine	130	43–407 μmol/L
Asparagine	131	31–64 μmol/L
Aspartic acid	5	1–4 μmol/L
Beta-alanine	3	<5 μmol/L
Citrulline	43	16–51 μmol/L
Glutamine	1363	428–747 μmol/L
Glutamic acid	55	10–97 μmol/L
Glycine	555	122–322 μmol/L
Histidine	129	60–109 μmol/L
Homocysteine	<1	<1 μmol/L
Hydroxyproline	71	4–27 μmol/L
Isoleucine	27	34–98 μmol/L
Leucine	46	73–182 μmol/L
Lysine	359	119–233 μmol/L
Methionine	22	16–34 μmol/L
Ornithine	149	27–83 μmol/L
Phenylalanine	70	40–74 μmol/L
Proline	632	104–383 μmol/L
Serine	156	65–138 μmol/L
Taurine	43	31–102 μmol/L
Tryptophan	5	40–91 μmol/L
Tyrosine	46	38–96 μmol/L
Valine	73	132–313 μmol/L
Serum carnitine levels:
T. carnitine	88	31–67 nmol/mL
F. carnitine	61	25–55 nmol/mL
Urine orotic acid level:
Ur. orotic acid	2.3	0.4–1.2 mmol/molcr

T.: total; F.: free; Ur.: urine.