Test Code WTMNT Wet Mount
Additional Codes
| EPIC | LAB4544 |
Purpose
Fresh genital specimens may be examined microscopically for the presence of yeast and Trichomonas vaginalis.Typical forms can be visualized in a wet preparation without the delay needed for staining or culturing.
Methodology
Direct microscopic exam
Sample Type
Swabs collected into a preservative-free tube containing 0.5 mL saline.
- Vaginal secretions
- Urethral discharges
- Prostatic secretions
Specimen Minimum Volume
0.5 mL
Specimen Stability
| Temperature | Time |
|---|---|
| Ambient (18-25°C) | 1 hour |
| Refrigerated (2-8°C) | 2 hours |
| Frozen (-15 to -20°C) | N/A |
Result Reporting
| Quantitation | Number seen per high power field (40x) |
|---|---|
| Rare | <1 per two hpf |
| Few | 1 - 10 /hpf |
| Moderate | 11 - 30 /hpf |
| Many | >30 /hpf |
Rejection Criteria
- Samples outside of stability limits.
Availability
| Performed | STAT |
|---|---|
| 0700 - 1700 | Yes |
Performing Laboratory
Yakima Valley Memorial Hospital Laboratory
Lab Department
Microbiology
CPT Code
87210
LOINC
680-9 Microscopic observation Wet prep Nom (Specimen)