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Creatinine Clearance

Specimen Container

Cup without Preservatives and 1 Green or Gold

Specimen Collection Type

24 hour urine and 2mL serum or plasma

Minimum Volume To Collect (Ml)

2 mL

Stability

Ambient Stability: Ambient: Urine 2 days, Serum or plasma: 7 days
Refrig Stability: Refridgerated: Urine 6 days, Serum or Plasma 7 days
Frozen Stability: Unable

Preferred Transportation Temperature

REFRIGERATED

Remarks

Pediatric Collection: 24 hour urine and 0.6 mL serum or plasma

Performed

Sun-Sat

Reported

Same day

Methodology

Enzymatic

Lab Department

Molecular

Testing Location

IHC

Synonyms

Creat Clearance
CLCRU

Test OR Panel

Test

Misc Instructions

Collect
24 hour urine collection
No preservative
Timed intervals as short as 4 hours are acceptable

Also collect: 1 Green PST (Lithium Heparin), Gold (SST) or Red (Serum) at the start or the finish of the 24 hour collection period

Note: blood collected within the 24 hours preceding the start of the 24 hour urine collection, or within 24 hours after the completion of the 24 hour urine collection is acceptable, but not preferred. Specimen Preparation: 5 mL aliquot from a well-mixed, timed urine collection and 1 mL plasma or serum Patient height & weight are required for standard reference range
Record total volume, duration of collection, patient height and weight on container.

CPT Codes

82575

LOINC

58446-6

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