Tubular Reabsorption of Phosphate

CERNER / EPIC MNEMONIC: TRP
POE DESCRIPTION: UR/TUBULAR REABSORBED PO4
CPT CODE: 82565; 82570; 84100; 84105
TEST INFORMATION: Test includes serum phosphorus, serum creatinine, urine phosphorus, urine creatinine.
DAYS PERFORMED: Specimen accepted daily
TURNAROUND TIME: 24-48 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:

SST tube for blood, 24-hour urine collection container, no preservative (Chemistry bottle #1)

SPECIMEN REQUIREMENTS: Blood (serum) and timed urine collection (24-hour collection preferred)
MINIMUM VOLUME: 4 mL blood (2 mL serum); submit entire urine collection to the laboratory
HANDLING INSTRUCTIONS: Refrigerate during collection.
REFERENCE RANGE: 85% to 95%
TEST SYNONYM(S):Phosphorus, Tubular Reabsorption; TRP