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Description

Results of chemistry tests performed on body fluid or tissue can be converted between conventional (US) and SI units if the conversion factors are known.


Specimens (as specified): amniotic fluid, cerebrospinal fluid (CSF), gastric fluid, feces, sweat, synovial fluid, tissue

 

Test

Specimen

SIU Units

Factor for Conversion

Conventional Units

Acid output

gastric fluid

mmol/h

1

mEq/h

Albumin

CSF

mg/L

0.1

mg/dL

Albumin

amniotic fluid

mg/L

0.1

mg/dL

Bilirubin

amniotic fluid

µmol/L

0.0585

mg/dL

Chloride

sweat

mmol/L

1

mEq/L

Coproporphyrins

feces

nmol/g feces

0.67

µg/g feces

Creatinine

amniotic fluid

µmol/L

0.0113

mg/dL

DHEA-S (dehydro-epiandrosterone sulfate)

amniotic fluid

nmol/L

0.38

ng/mL

Estriol

amniotic fluid

nmol/L

0.2884

µg/dL

Glucose

CSF

mmol/L

18.01

mg/dL

Hormone receptor, progesterone

tissue

nmol/kg protein

1

fmol/mg protein

Hormone receptor, estrogen

tissue

nmol/kg protein

1

fmol/mg protein

Nitrogen, total

feces

mmol/d

0.0140

g/24 h

Protein, total

CSF

mg/L

0.1

mg/dL

Protein, total

amniotic fluid

g/L

0.1

g/dL

RBC

CSF

10^6/L

1

/µL

Sodium

sweat

mmol/L

1

mEq/L

Sperm count

semen

10^9/L

0.001

10^6/mL

Urea

amniotic fluid

mmol/L

6.01

mg/dL

Urobilinogen

feces

µmol/d

0.5907

mg/24 h

WBC

CSF

10^6/L

1

/µL

WBC

synovial fluid

10^6/L

1

/µL

 


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