Test Code CWOUND Culture, Wound
Additional Codes
- Expanse Test Name:Culture w/Gram Stain Wound
- Medinet Ref Code:CWOUND
- OV Code:RM*CWOUND
Performing Laboratory
St. Lukes Hospital Laboratory
Methodology
Conventional Culture
Includes a Gram stain. Identification and susceptibilities are
performed on all positive cultures at an additional charge.
Specimen Requirements
Submit only 1 of the following specimens:
Closed Abscess (Anaerobic, Sterile Body Sites)
1. Prepare site, wash wound margins well with antiseptic soap, and rinse with sterile saline.
2. Aseptically aspirate 0.5 mL of specimen using a needle and syringe.
3. Transfer specimen to a Port-a-Cul® vial.
4. If submitting specimen in syringe, remove needle and cap syringe.
5. Label vial/syringe with patient’s name (first and
last), date and actual time of collection, and type of
specimen.
6. Maintain sterility and forward promptly at ambient temperature
only.
Note: Specimen source is required on request form for processing.
Deep Wound
1. Prepare site, wash wound margins well with antiseptic soap,
and rinse with sterile saline. Remove surface exudate, debris, and
pus.
2. Use a culture swab to obtain specimen.
3. Pass swab deep into abscess, and sample lesion’s
advancing edge taking care to avoid contamination with other normal
flora.
4. Return swab to transport tube.
5. Label tube with patient’s name (first and last), date and
actual time of collection, and type of specimen.
6. Maintain sterility and forward promptly at ambient temperature
only. Specimens must be received within 48 hours of
collection.
Note: Specimen source is required on
request form for processing.
Superficial Wound (Impetigo or Acne, Etc.)
1. Prepare site, wash wound margins well with antiseptic soap, and
rinse with sterile saline.
2. Use a culture swab to obtain specimen.
3. Remove cap with swab attached.
4. Break surface of wound and swab exudate.
5. Return swab to transport tube.
6. Label tube with patient’s name (first and last), date
and actual time of collection, and type of specimen.
7. Maintain sterility and forward promptly at ambient temperature
only.
Note: Specimen source is required on request
form for processing.
Reference Values
Negative
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
87070 - Culture
87205 - Gram stain
87076 - Anaerobic identification (if appropriate)
87077 - Aerobic identification (if appropriate)
87186 - Susceptibility (if appropriate)
87147-Culture typing (if appropriate)