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Test Code LAB376 Cholesterol, Body Fluid

Performing Laboratory

Barnes-Jewish Hospital Laboratory

Methodology

Enzymatic

Literature Reference:

Package insert: Cholesterol  Reagent Chol2. Roche Corporation, 03/2022.

Specimen Requirements

Specimen Type: Pleural fluid
Container/Tube: Mint Green top tube
Specimen Volume: 2 mL

Additional Information: Indicate fluid type on specimen container.

Day(s) Test Set Up

Monday through Sunday
Turnaround Time:
STAT: not available
Routine: results available next day.

Test Classification and CPT Coding

84999

Reference Values

As supportive evidence to Light’s criteria, fluid cholesterol may provide additional evidence in differentiating exudates (>45 mg/dL) from transudates (≤45 mg/dL). In addition, Cholesterol <200 mg/dL is indicative of chylothorax while cholesterol >200 mg/dL rules out chylothorax.

Literature References:

Ryu, Jay H. et al. Plueral Fluid characteristics of Chylothorax. Mayo clinic Proceedings. February 2009; 84(2): 129-133.

Block, Darci R. Tietz Textbook of clinical Chemistry and Molecular Diagnositics. Elsevier Sixth Edition 2017. Body Fluids Abstract p. 925

 

Specimen Transport Temperature

Ambient

Additional Information

For BJH Laboratory Use Only

Alternate Tube Type: Red top tube

Analyte Stability:

See Analyte Stability Chart under General Information for a complete list.

Laboratory Processing Instructions:

Test performed in BJH Core lab. If specimen is received in a VACUTAINER, check procedure to confirm suitability. Centrifuge upon receipt. Apply blue tape to specimen aliquot tube. Deliver to the Cobas 8000. Completed specimen is stored frozen for 30 days. 

LOINC Code Information

 

Fluid Type

Loinc code

Pleural Fluid

9619-8