» LEARN MORE ABOUT COVID-19 VACCINES, TESTING, VISITOR & SAFETY REQUIREMENTS

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* Protein, Blood

Mnemonic

TP

Synonym

TP - Total Protein in Serum and Plasma

Specimen Collection Requirements

Collect

Serum or Plasma, one 5.0 mL gold (SST), 7.0 mL red or 3.0 mL mint green (lithium heparin, PST) top tube

Handling

Allow serum to clot completely at room temperature (minimum: SST - 30 minutes and red top tubes - 60 minutes). Centrifuge and separate serum or plasma from cells within four hours of collection.

Preferred Volume

1.0 mL serum/plasma

Minimum Volume

0.25 mL serum/plasma (0.60 mL minimum whole blood draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

Stability

AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 1 week; Refrigerated (2-8°C): 1 month; Frozen (at or below -20°C): 6 months

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Colorimetry

Reference Values

Reference Values

Comments

Eltrombopag and its metabolites may interfere with this assay causing erroneously high patient results.

CPT Codes

84155

Last Updated: Saturday, January 30, 2021 02:09:51 AM


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