| 24 HOUR URINE COLLECTION REQUIREMENTS | ||
|---|---|---|
|
Test |
Preservative |
Aliquot |
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Aldosterone Urine |
25ml 50% acetic acid |
50ml (pediatric:20ml) |
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<5 yrs:15ml 50% acetic acid |
Adjust ph to 2.0-4.0 with 50% acetic acid. |
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Amylase, Urine |
No Preservative |
20ml Refrigerate |
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Refrigerate during collection. Indicate if 12 hr collection. |
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Calcium, Urine |
No Preservative. |
20ml Refrigerate |
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Refrigerate during collection. |
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Catecholamine, Fractionation, Urine |
25ml 50% acetic acid <5yrs:15ml 50% acetic acid |
50ml Adjust ph to 2.0-4.0 with 50% acetic acid. |
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Can collect with VMA and Metanephrines. Discontinue Mardelamine 48 hrs prior to collection. |
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Cortisol Free, Urine |
25ml 50% acetic acid |
50ml |
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<5 yrs:15ml 50% acetic acid |
Adjust ph to 2.0-4.0 with acetic acid |
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Creatinine Clearance, Urine |
No preservative. |
10ml Refrigerate |
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Refrigerate during collection. Need serum creatinine also. |
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Creatinine, Urine |
No preservative. |
10ml Refrigerate |
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Refrigerate during collection. |
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Cystine, Urine |
No preservative. |
20ml Freeze |
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Refrigerate during collection. Collect before IVP. |
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Galactose, Urine |
No preservative. |
10ml Freeze |
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Random urine only. |
Pediatric 5ml |
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Glucose, Urine |
No preservative. |
10ml Refrigerate |
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Refrigerate during collection. |
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HIAA-5 (Serotonin), Urine |
25ml 50% acetic acid |
20ml Adjust ph to 2.0-4.0 with 50% acetic acid. Refrigerate. |
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<5 yrs:15ml 50% acetic acid. See dietary restrictions in Lab Test Index. |
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Immunoelectrophoresis, Urine |
No preservative. |
100 ml Refrigerate |
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Refrigerate during collection. |
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17 Ketogenic Steroids / 17 |
25ml 50% acetic acid |
50ml Adjust ph to 2.0-4.0 with 50% acetic acid. |
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Ketosteroids, Urine |
<5 yrs:15ml 50% acetic acid |
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17 Ketosteroid Fractionation, Urine |
25ml 50% acetic acid |
50ml Adjust ph to 2.0-4.0 with 50% acetic acid. |
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<5 yrs:15ml 50% acetic acid |
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Magnesium, Urine |
Collect & send in clean plastic urine containers with no metal caps or glued insterts. |
10ml Send in metal free container |
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Refrigerate. |
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Mercury, Urine |
Collect & send in clean plastic urine containers with no metal caps or glued insterts. |
10ml Send in metal free container |
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Refrigerate. |
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Metals Heavy/Essential Elements, |
Collect & send in clean plastic urine containers with no metal caps or glued insterts. |
25ml Send in metal free container |
|
Urine |
|
Refrigerate. |
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Metanephrines, Urine |
25ml 50% acetic acid <5yrs:15ml 50% acetic acid |
50ml |
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May collect with Catacholamines and VMA. |
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Oxalate, Urine |
Patient should avoid taking large amounts of Vitamin C during collection.*Specimens
sent with metal caps will |
Add 30ml 6N HCL. At end of collection or 4 hour after.Adjust ph to 1.5-2.0 with 6N HCL. Send in metal free container. Refrigerate. |
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Phosphorus, Urine |
No preservative. |
10ml Refrigerate |
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Refrigerate during collection. |
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Porphyrin, Urine |
5gm Sodium Carbonate.Protect from light. Do notsubstitute Sodium Bicarbonate. Refrigerate during collection. |
50ml Refrigerate |
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Protein Electrophoresis, Urine |
No preservative. |
50ml Refrigerate |
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Refrigerate during collection. |
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Protein Total, Urine |
No preservative. |
10ml Refrigerate |
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Refrigerate during collection. |
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Sodium/Potassium, Urine |
No preservative. |
10ml Refrigerate |
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Refrigerate during collection. |
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Urea Nitrogen Clearance, Urine |
No preservative.Need serum BUN collected also. |
20ml Refrigerate |
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Refrigerate during collection. |
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Urea Nitrogen, Urine |
No preservative. |
10ml Refrigerate |
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Refrigerate during collection. |
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Uric Acid, Urine |
No preservative.May be collected with Calcium and |
10ml Refrigerate |
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Phosphorus.Refrigerate during collection. |
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VMA, Urine |
25ml 50% acetic acid <5yrs:15ml 50% acetic acid |
50ml Refrigerate |
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Amoxicillin interferes: discontinue 3 days before collection |
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Can collect with Catacholamines and VMA. |
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Xylose, Urine |
No preservative.Special collection instructions. |
100ml Freeze |
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Patient must be NPO. 5 hr collection. |
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