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Test Code MACAC Culture, Acanthamoeba

Laboratory Code

LAB3041097

Specimen Requirements

Submit only one of the following

 

Specimen Type: Cerebrospinal fluid (CSF), contact lens, contact lens solution, tissue, corneal scrapings
Container/Tube: Sterile screw-capped container with 1.0 mL Page saline
Volume: Fluids 2.0 mL, CSF 1.0 mL
Minimum Volume: Fluids 1.0 mL, CSF 0.5 mL

                                 

For biopsies and corneal scraping:
1. Obtain Page saline from NUH Microbiology Laboratory.
2. Put specimen in Page saline.

 

For fluid specimens, send as neat sample in a sterile container.

Specimen Stability

Specimen Type All types
Ambient Submit sample to lab immediately
Refrigerate NA
Frozen Unacceptable

Methodology

Culture

Days and Times Performed

Monday through Sunday, TAT 10 - 14 days

Reference Interval

Acanthamoeba not isolated.

 

Critical Values: Clinician will be informed of positive result.

Testing Laboratory

National University Hospital

Clinical Microbiology, 67724343

Useful For

Diagnosis of infection with free-living amoeba such as Acanthamoeba spp. This includes ocular infections, or rarely central nervous system infections. 

Service Code

23029

LOINC Code Information

9781-6

Update

Last updated 17/3/2025

Unacceptable Condition

Specimen on slides, swab specimen, specimen in Universal Transport Medium (UTM) or in boric acid.

Special Instruction

Inform Microbiology Laboratory one day in advance before sending sample is required.