PHOSPHORUS, URINE

Mnemonic

PHOSUR

Synonym

Inorganic Phosphorus (Pi) - Phosphate (PO4)

Specimen Collection Requirements

Collect

Preferred: 24 hour urine, one sterile acid-free container. Also acceptable: random urine

Handling

Collect urine over 24 hours. Refrigerate during collection. Mix urine well before removing aliquot. Record collection time interval and total volume on transport tube and test request form.

Preferred Volume

5.0 mL

Minimum Volume

0.5 mL

Transport

Refrigerated (2-8°C)

Stability

UNPRESERVED SPECIMENS: Ambient (15-25°C): 6 hours; Refrigerated (2-8°C): 2 days; Frozen (at or below -20°C): 6 months

Testing Information

Performed

7 days/week

Method

Colorimetry

Referral Lab

Samaritan Health Services Laboratories

Reference Values

Reference Values

TIMED URINE: 400-1300 mg/day (varies with diet)

CPT Codes

84105

Last Updated: Thursday, January 5, 2017 03:42:22 AM