Chlamydia trachomatis and Neisseria gonorrhoeae - Male

Last Modified: 3/25/2019 4:18:04 PM

Medical Necessity Documentation:
Duplicate testing on this test is not acceptable per Medicare:  Testing to only be done every 14 days
Client Notes:  
Patient Preparation:  
Specimen Requirements:

8.0 mL Urine in a Yellow Conical Tube

Collection Instructions:
NOTE: Urine is the only acceptable specimen for CT/NG testing on Male patients

Patient should not urinate for at least one hour prior to collecting the specimen.  Male patients should not cleanse the tip of the penis prior to collecting the specimen.  Collect the first catch urine (approximately 20-50 mL of the initial urine stream) into a urine collection cup free of any preservatives.
Minimum Volume: 5.0 mL Urine
Transport & Storage: Temperature/Stability: 3 days Ambient
8 days Refrigerated
Rejection Criteria: Urine Specimens from Catheters; Gen-Probe Aptima Collection Kits
Reference Range: Negative for Chlamydia trachomatis by amplified probe
Negative for Neisseria gonorrhoeae by amplified probe
Critical Ranges:  
Test Comments:

Culture methodology is suggested for all sites other than Urine  

For patient less than 12 years of age - Culture is the only recommended procedure for diagnosing chlamydial or gonorrheal infection in cases of suspected child abuse.

Methodology: Real Time Polymerase Chain Reaction (RT-PCR)
Clinical Significance:  
Custom Panel: No


Days Performed: Monday, Tuesday, Wednesday, Thursday, Friday
Sites Performed: Parkview Regional Medical Center
PHL Test Code: GCCTM
EPIC Test Code: LAB2757
Alternate Test Names: GC and Chlamydia - Male; GC, NAA and Chlamydia, NAA
Included Tests:  
CPT Coding: 87491, 87591

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