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HelpTest Code CREFL Creatinine, fluid
Additional Codes
| Epic Ordering Code | LAB65 |
| NBS code | LBC00274 |
| Service code | 31404 |
Specimen Requirements
Submit the following:
| Container: |
| Plain Sterile Container |
Fluid types accepted: Joint Fluid, Knee Joint Fluid, Knee Aspirate, Pericardial Fluid, Pleural Fluid, Peritoneal Fluid, Synovial Fluid, Pertioneal Dialysate (PD Fluid), Ascites Fluid
Additional information: For NUHS use only. Sample must be sent to laboratory immediately.
Processing Requirements
Specimen type: Fluid
Volume: 10mL
Specimen Stability
| Specimen Type | Body Fluid |
|---|---|
| Ambient | Not available |
| Refrigerate | Storage of fluid is not recommended. |
| Frozen | Storage of fluid is not recommended. |
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others | Not applicable |
Methodology
Enzymatic Assay
Days and Times Performed
24 hrs, TAT 1 day
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.
Update
Last updated 16/07/2026
LOINC Code Information
25386-4