Test Code CNOSETH Culture, Throat/Nose
Additional Codes
- Expanse Test Name:Culture Nose/Throat
- Medinet Ref Code:450
- OV Code:RM*CNOSETH
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Conventional Culture
Useful for all throat bacterial pathogens (no rapid antigen screen).
Specimen Requirements
Specimen must arrive within 24 hours of collection.
1. Obtain specimen using a culture swab.
2. Remove cap and swab from tube.
3. Tilt patient’s head back to assist in opening
of mouth as wide as possible.
4. Depress tongue with a tongue depressor so swab
doesn’t touch oral mucosa or tongue.
5. If the patient has complained of 1 spot being sore, swab that
area well.
6. In 1 continuous motion:
A. Swab 1 tonsillar area up then down.
B. Move to back of throat as far down as possible, and
swab there.
C. Move to other tonsillar area and swab.
D. Swab behind uvula, and remove swab.
7. Return swab to transport tube.
8. Label tube with patient’s name (first and last), date
and actual time of collection, and type of specimen.
9. Maintain sterility and forward promptly at ambient temperature
only.
Note: Specimen source is required on request form for processing.
Reference Values
No pathogens
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
CPT: 87070