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Test Code TPF or LAB196 Protein, Body Fluid

Specimen Requirements

Container Type:

Sterile Container: 
Optimal Collection Volume: 

20 mL
Minimum Volume:

5 mL
Collection Instructions:
  • Use aseptic aspiration technique
  • Include source of specimen on the collection tube
Specimen Transport:

Refrigerate
Processing Instructions: 

1. Pour off an aliquot from the sterile container

2. Spin the aliquot in a centrifuge

3. Deliver the aliquot to the chemistry department

Specimen Stability

Specimen Type Temperature Time
Body Fluid Refrigerated 7 days

Specimen Rejection Criteria

Gross hemolysis

Useful For

Identification of exudative pleural effusions

 

Differentiating hepatic from other causes of ascites that have elevated serum ascites albumin gradient (SAAG) using peritoneal fluid

Methodology

Roche Cobas - Spectrophotometric

Reference Ranges

No reference range established

Interpretive

TPBF - Clinical & Interpretive: Protein, Total, Body Fluid (mayocliniclabs.com)

Day(s) Performed

24/7

Expected TAT

Same day

Performing Laboratory

Bronson Laboratory, Chemistry - Kalamazoo and Battle Creek

Sample Retention Time

7 days

CPT Code

84157

LOINC Code

2881-1