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HelpTest Code CALA Calculi Analysis
Specimen Requirements
Specimen Type: Entire specimen
Container/Tube: Screw-capped container
Minimum volume: 50.0 mg
Collection instructions: Please indicate source. Rinse with saline. Air dry sample. Do not use formaldehyde, tape or histologic techniques on specimen.
Specimen Stability
| Specimen Type | Calculi specimen |
|---|---|
| Ambient | 1 year |
| Refrigerate | 1 year (preferred) |
| Frozen | 1 year |
Specimen Condition
| Haemolysis | Not applicable |
|---|---|
| Icterus | Not applicable |
| Lipaemia | Not applicable |
| Others: Sample size less than 50.0 mg (size of a green bean), embedded in tissue, sent in fluid filled containers or sent with significant non-stone debris | Reject |
Methodology
FT-IR (Fourier Transform Infra Red spectroscopy)
Days and Times Performed
Wednesday, TAT 2 - 8 days
Reference Interval
Report indicates presence of calcium, phophate, oxalate, urate, salt, magnesium, cystine, uric acid, ammonia and bicarbonate
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724399
Useful For
Management of patients with recurrent renal calculi
Service Code
31931
Update
Last updated 24/02/2025
Laboratory Code
LAB564
LOINC Code Information
49252-0