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Test Code TP Protein Total

Aliases

Total Protein

Patient Preparation

No special patient preparation required

Collection Method

Venous collection

Minimum Volume

  • Adults: 0.8ml
  • Pediatric: 0.5mL

Container

Lt Green / Plasma Separator / Lithium Heparin

Preferred Specimen

Light Green Top (lithium heparin) plasma

Acceptable Specimens

Serum:

  • Gold Top SST

  • Red Top

Plasma:
  • Light Geen Top (lithium heparin)
  • Purple Top(K3 EDTA)

Reference or Target Ranges

Test Age Range Critical Value
Total Protein Umbilical Cord 4.8 – 8.0 g/dL
Premature 3.6 – 6.0 g/dL
Newborn – 6 Months 4.6 – 7.6 g/dL
7 months – 1 year 5.1 – 7.3 g/dL
1 year – 18 years 5.1 – 8.0 g/dL
Adults 6.6 – 8.7 g/dL

Reportable Units

g/dL

Critical Value

Not defined for this assay

Reasons for Rejection



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Hemolysis Threshold
 500 mg/dL
Icterus Threshold
 20 mg/dL
Lipemia Threshold
 2000 mg/dL
Other
 QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability



<!-- Stability -->
Ambient
 8 hours
Refrigerated (4°C to 8°C)
 1 month
Frozen(-40°C to 0°C)
 6 months

Performance Information



<!-- Performance information -->
Days and Time Performed
 24/7
Expected Turn Around Time
 Stat: 1 hour
Routine: 4 hours
Stat Availability
 Yes
Performing Bench
 UH Chemistry, WCH Chemistry
Methodology/Method Description
 Colorimetric assay

CPT Codes

84155