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Test Code CREFL Creatinine, fluid

Laboratory Code

LAB65

Specimen Requirements

Specimen Type: Body Fluid

Specimen Source: Joint Fluid

                                 Knee Joint Fluid

                                 Knee Aspirate

                                 Pericardial Fluid

                                 Pleural Fluid

                                 Peritoneal Fluid

                                 Synovial Fluid

                                 Pertioneal Dialysate (PD Fluid)

                                 Ascites Fluid
Container/Tube: Plain Sterile Container
Volume: 30.0 mL
Minimum Volume: 3.0 mL
Collection Instructions: For NUHS use only. Sample must be sent to laboratory immediately.

Specimen Stability

Specimen Type Body Fluid
Ambient Not available
Refrigerate Storage of fluid is not recommended.
Frozen Storage of fluid is not recommended.

Methodology

Enzymatic Assay

Days and Times Performed

24 hrs, TAT 1 day

Specimen Condition

Haemolysis Not applicable
Icterus Not applicable
Lipaemia Not applicable
Others Not applicable

Reference Interval

The reference intervals and other method performance specifications have not been established for this fluid. The test result must be integrated into the clinical context for interpretation.

Testing Laboratory

National University Hospital
Clinical Chemistry, 67724346

Useful For

Detecting specific organ involvement or injury that caused the fluid formation.

Service Code

31115

LOINC Code Information

25386-4

Update

Last updated 11/03/2025