Magnesium, Quantitative, Urine

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

Urine Magnesium Random; Urine Magnesium Timed

CPT CODE: Random = 83735, Timed =  83735, 81050
DAYS PERFORMED: Specimen accepted daily, 24 hours
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 preservative or 24 hour urine container (Bottle #4) with 10 ml 6 N HCl

SPECIMEN REQUIREMENTS: Random or 24-hour urine
MINIMUM VOLUME: Random urine: 1 mL; Timed urine: Submit entire collection to the laboratory.
HANDLING INSTRUCTIONS: Refrigerate during collection.
REFERENCE RANGE:

Random: None established; Timed urine: 75-150 mg/24 hours

LAST UPDATED:

3-22-2013

TEST SYNONYM(S):Mg, Urine; Urine Magnesium