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Test Code MCRNA Chlamydia trachomatis, Miscellaneous Sites, Nucleic Acid Amplification, Varies

Important Note

Use TML Test 308072110 for the following specimen types:  Urine, cervix, vagina.

Additional Codes

Torrance Memorial Laboratories Test Code:  256129889

Reporting Name

C. trach, Misc, Amplified RNA

Useful For

Detecting Chlamydia trachomatis in non-US Food and Drug Administration-approved specimen types

 

This test is not intended for use in medico-legal applications.

 

This test is not useful for the detection of Chlamydia pneumoniae or other Chlamydia species.

Method Name

Transcription Mediated Amplification

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Varies


Ordering Guidance


This test is used for specimens that are not US Food and Drug Administration (FDA) approved for this assay. Acceptable non-FDA-approved specimen types are ocular swabs, nasopharyngeal swabs, and peritoneal fluid.

 

For FDA-approved specimen types, order CTRNA / Chlamydia trachomatis, Nucleic Acid Amplification, Varies.



Necessary Information


Specimen source is required.



Specimen Required


Submit only 1 of the following specimens:

 

Specimen Type: Ocular (corneal/conjunctiva)

Supplies:

Aptima Unisex Swab Collection Kit (T583), or

Aptima Multitest Swab Specimen Collection Kit (T584)

Container/Tube: Aptima Multitest Swab or Aptima Unisex Swab

Specimen Volume: Swab

Collection Instructions:

1. Swab site using Aptima Multitest Swab or Aptima Unisex Swab. Specimens must be collected using either of these Aptima swabs.

Note: The white swab provided within the collection kit is a cleaning swab and should not be used for collection. Discard the white cleaning swab.

2. Place collection swab in transport tube provided in collection kit. Snap off swab at score line so swab fits into closed tube.

3. Cap tube securely and label tube with patient's entire name and collection date and time.

4. Maintain swab container at 2 to 30° C (refrigerate temperature is preferred), transport within 60 days of collection.

 

Pediatric Specimen Type: Nasopharyngeal (only accepted for patients 6 months old or younger)

Supplies:

Nasopharyngeal Swab (nylon Mini-Tip swab) (T861) with Aptima Thin Prep Transport Tube (T652), or

Aptima Unisex Swab Collection Kit (T583)

Container/Tube: NP swab in Aptima Specimen Transfer Tube or Aptima Unisex Swab

Specimen Volume: Swab

Collection Instructions:

1. Swab site using NP Swab or Aptima Unisex Swab. Specimens must be collected using either one of these swabs.

Note: The white swab provided within the Aptima Unisex Swab Collection kit is a cleaning swab and should not be used during this collection process. This white swab should be discarded.

2. Place NP swab in Aptima Specimen Transfer Tube. If using the Aptima Unisex Swab collection kit, place the unisex swab in the Aptima Collection kit tube. Snap off swab at score line so swab fits into closed tube.

3. Cap tube securely and label tube with patient's entire name and collection date and time.

4. Maintain swab container at 2 to 30° C (refrigerate temperature is preferred), transport within 60 days.

 

Specimen Type: Peritoneal fluid (pelvic wash, cul-de-sac fluid)

Supplies: Aptima Thin Prep Transport Tube (T652)

Container/Tube: Aptima specimen transfer tube

Specimen Volume: 1 mL

Collection Instructions:

1. Transfer specimen into the Aptima specimen transfer tube within 24 hours of collection.

2. Cap tube securely and label tube with patient's entire name and collection date and time.

3. Maintain Aptima specimen transfer tube at 2 to 30° C (refrigerate temperature is preferred), transport within 30 days of collection.


Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Refrigerated (preferred) APTIMA VIAL
  Ambient  APTIMA VIAL
  Frozen  APTIMA VIAL

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

Negative

Day(s) Performed

Monday through Sunday

Report Available

1 to 4 days

CPT Code Information

87491

LOINC Code Information

Test ID Test Order Name Order LOINC Value
MCRNA C. trach, Misc, Amplified RNA 43304-5

 

Result ID Test Result Name Result LOINC Value
SRC11 SOURCE: 31208-2
34507 C. trach, Misc, Amplified RNA 43304-5

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

Forms

If not ordering electronically, complete, print, and send a Microbiology Test Request (T244) with the specimen.