Strep A Test, Rapid Test

Message
For diagnostic purposes, clinical specimens should be collected before the initiation of therapy since even a few days of treatment may render the culture negative. Day(s) Test Set Up: Monday through Sunday


Test Code
RAPID A


CPT Codes
87430

Preferred Specimen
Throat swab


Instructions
Obtain specimen using a culture swab. 1. Remove cap and swab from tube. 2.Tilt patient's head back to assist in opening of mouth as wide as possible. 3. Depress tongue with a tongue depressor so swab doesn't touch tongue and also avoid lateral walls of buccal cavity. 4. Have patient say "ah" while sweeping back and forth across posterior pharynx. 5. If patient has complained of 1 spot being sore, swab that area well. 6. In 1 continuous motion:  Swab 1 tonsillar area up then down.  Move to back of throat as far down as possible and swab there. Move to other tonsillar area and swab. Swab behind uvula and remove swab. 7.  Return swab to a sterile culture transport tube. 8. Label tube with patient's full name, date of birth, date, time of collection and specimen type.  Note: Sipecimen source is required on request form for processing.


Transport Container
Red capped culture transport device


Transport Temperature
Refrigerate


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimen other than a throat swab


Methodology
Antigen detection

Reference Range
Negative  (All netgative reults will be confirmed by a 24-hour culture)


Clinical Significance
Useful for the rapid detection of group A steptococcus antigen in throat specimens.



Last Updated: February 22, 2011


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.