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Test Code LAB426 Phosphorus, Urine, 24 Hours

Methodology

Photometric Molybdate

Performing Laboratory

RCH

Specimen Requirements

10 mL from a 24-hour urine collection in a plastic urine container. No preservative.

Note:  1. 24-Hour volume is required on request form for processing.

            2.Follow instructions in “Urine Collection” in “Special Instructions.”

Specimen Stability

Send sample refrigerated and test as soon as possible.

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

84105

Special Instructions