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Creatine, serum

Item Value
Approval req'd? No
Available Stat? No
Test code CRTE
Test group Creatine
Performed by Quest
Sendout? Yes
Method Enzymatic
Patient Preparation Overnight fasting preferred.
Collection Instructions Bring samples to laboratory immediately for processing.
Container type Red top or Gold top
Amount to Collect 5 mL blood
Sample type Serum
Preferred volume 2 mL serum
Min. Volume 0.8 mL
UCSF Rejection Criteria Received > 2 hours after collection.
Processing notes Centrifuge and separate serum from cells within 4 hours of collection. Freeze serum at -70C and transport on dry ice to China Basin
Ref Lab Rejection Criteria Received unfrozen.
Units mg/dL
Normal range ≤ 1.0 mg/dL
Stability Room temperature 4 hours, refrigerated 24 hours, frozen at -70C 1 month.
Turn around times Set up 2x per week. Turnaround time 4-8 days
CPT coding 82540-90
LOINC code 2148-5
Last Updated 10/2/2010 11:51:40 AM
Entry Number 262
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