Sign in →

Test Code 24CAL Calcium, 24hr Urine

Important Note

24-Hour urine volume is required on the request form for processing.

 

 

Performing Laboratory

MaineGeneral Medical Center

Reference Values

25 - 300 mg/24hr

Day(s) Test Performed

Monday through Sunday

Specimen Requirements

2 mL from a 24-hour urine collection. No preservative. Mix well before taking 2-mL aliquot. (An entire 24-hour urine collection is also acceptable.) Refrigerate specimen during collection, and send specimen refrigerated in a plastic urine container.

 

See “Urine Collection” in “Special Instructions” for 24-hour specimens.

 

Label specimen with patient’s name (first and last), date of birth, date and time of collection, and collector’s initials and the volume collected.

 

Specimen stability:  14 days at 2-8°C (Refrigeration preferred)

                                   30 days at frozen at ≥-20°C

                                   72 hours at room temperature

 

Minimum volume: 1 mL

Test Classification and CPT Coding

82340 - calcium

81050 - urine timed measurement (if appropriate)

Special Instructions