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Total Protein, Blood
Test CodeTP
CPT Codes
84155
Preferred Specimen
0.6 ml of whole blood (0.3 mL of serum or plasma)
Minimum Volume
0.2 mL of whole blood (0.1 mL of serum or plasma)
Instructions
Separate from cellular material within 4 hours of collection.
Transport Container
Serum separator (gold top) or for Inpatients/MSTI/ED only lithium heparin (green or mint top)
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: 4 hours
Refrigerated: 3 days
Frozen: 14 days at -20 C
Refrigerated: 3 days
Frozen: 14 days at -20 C
Methodology
Colorimetric
Setup Schedule
Daily
Report Available
Inpatient turn around time: Stat 30 minutes, routine 3 hours. Outpatient testing received by noon will be reported by 4:30 p.m. Specimens received after noon will be reported by the next morning.
