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Lab Test Dictionary



Urine, Creatinine timed

Specimen Type

Urine, Timed Collection

Performing Lab

RCHSD Chemistry

Epic ID


Lab Test Days

As received

Standard TAT

3 hrs

Stat TAT

1 hr

Collection Information

Specimen Required

24 hr or timed urine collection

Container Type

24-Hour Urine Container

Collection Instructions

Note duration of collection, patient's height & weight on req & specimen label

Processing Information - Lab Use Only

Transport Temperature


Test Volume Required

1.0 ml aliquot of timed urine specimen

Minimum Test Volume

0.5 ml aliquot of timed urine specimen

Processing Instructions

Have Med Tech measure specimen volume before accessioning. Centrifuge & aliquot supernatant. Write "URINE" on spec label. IF two 12 hour specimens are submitted, process each container accordingly. Do not mix samples together.

CPT Codes

Total Volume: 81050 Timed urine Creat: 82570