Phosphorus, Quantitative, Urine

CERNER / EPIC MNEMONIC: RU/PO4 (random urine); U/PO4 (24-hour urine)
POE DESCRIPTION:

Urine Phosphorus Random; Urine Phosphorus Timed

CPT CODE: Random = 84105; Timed = 84105, 81050
TEST INFORMATION: Results are reported as mg of phosphorus per total volume of urine submitted. Normal range is based on 24-hour collection.
DAYS PERFORMED: Specimen accepted daily
TURNAROUND TIME: 8 hours
SPECIAL INSTRUCTIONS: For timed urine collection, instruct the patient to void at the beginning of the collection period and discard the specimen. Then collect all urine including the final specimen voided at the end of the collection period. Containers must be labeled with patient`s full name, room number, date and time collection started, and date and time collection finished.
CONTAINER TYPE:

Random Sterile 80 ml specimen container, Timed 24 hour urine container (Bottle #1) with no preservatives

SPECIMEN REQUIREMENTS:

Random or 24-hour urine

MINIMUM VOLUME: Random urine: 1 mL; Timed urine: Submit entire urine collection to the laboratory.
HANDLING INSTRUCTIONS: Refrigerate during collection.
REFERENCE RANGE: Random urine: None established; Timed urine: 400-1300 mg/24 hours
TEST SYNONYM(S):Urine Phosphorus; Urine PO4