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Disease staging: CliniCal anD CoDeD Criteria - HCUP

Disease staging: CliniCal anD CoDeD Criteria - HCUP

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Kodak (4-NPP, AMP) reference method at 37° C<br />

Increased: ≥ 148 U/L<br />

Reference Range: Male 38 - 126 U/L<br />

Alkalosis (measured blood pH):<br />

Increased: Blood pH >7.475 [chemistry report]<br />

Reference Range: 7.35 - 7.45<br />

ALP: See Alkaline phosphatase<br />

ALT: See Alanine aminotransferase<br />

Alveolar-arterial gradient:<br />

The difference in pO 2 (partial pressure of oxygen) between the lung (alveoli) and<br />

arterial blood.<br />

(693 x F I o 2 ) - (1.2 x pCO 2 ) - pO 2 > 15 mm Hg<br />

Where 693 is barometric pressure without water vapor<br />

F I o 2 is the fractional concentration of O 2 in inspired gas<br />

pCO 2 is the partial pressure of carbon dioxide in blood<br />

pO 2 is the partial pressure of oxygen in blood<br />

Reference range: ≤ 10 mmHg<br />

Amylase, serum or urine:<br />

Kodak Ektachem Slide, 37° C<br />

Serum: Increased ≥ 500 U/L [chemistry report]<br />

Reference range: 30 - 110 U/L<br />

Urine (2 to 4 h specimen):<br />

Increased ≥ 1000 U/L [urine chemistry report]<br />

Reference range: 32 - 641 U/L<br />

Amylase/creatinine clearance ratio:<br />

The ratio between renal clearance of amylase and creatinine; It is calculated as<br />

follows:<br />

Urine amylase x Serum creatinine x 100<br />

Serum amylase Urine creatinine<br />

Increased: ≥ 4.8 % Clearance<br />

Reference range: 1 - 4 % Clearance<br />

G-2

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