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Creatinine, Body Fluid

Additional Codes

Epic# -

LAB65

 

Cerner name(s):

  • Creatinine, Body Fluid
  • Creat, Body Fluid
  • BF Creatinine

Performing Lab(s)

Memorial-Belleville

Specimen Requirement (s)

Specimen Type: body fluid

Container/Tube:   Sterile container

Specimen Volume:    2 mL

Specimen Minimum Volume: 1 mL

 

Collection Instructions: Indicate fluid type on specimen container

Day(s)/Shift(s) Test Set Up and Turnaround Time

Sunday through Saturday

Hours: 24 hours

 

Turnaround Time:

STAT: 60 minutes

Routine: less than 8 hours from receipt.

Transport and Stability

Transport temperature: Ambient to lab. 

Reference Values

See Interpretive Data

CPT/LOINC Codes

82570

Interpretive Data

The  specimen type is not cleared for use in this method by the FDA. Analytical characteristics have been validated by the performing laboratory. No reference range established -see interpretive comments.

Interpretive Data

Pleural or Peritoneal - Fluid to serum creatinine ratio > 1.0 is indicative of urine leakage into the source.

References:

Tietz Textbook of Clinical Chemistry and Molecular Diagnostics, Sixth Edition. Elsevier Press. 2018. Chapter 43, Body Fluids, p.925

ARUP Test directory, Body Fluid Reference Intervals and/or Interpretative Information. https://aruplab.com/bodyfluids

Current Interpretive Data was last revised 8/13/2019.