Chlamydia trachomatis and Neisseria gonorrhoeae by Transcription Mediated Amplification (TMA)

Test Details

Mnemonic

CNTTP

Ordering Code

3620200

CPT-4 Code(s)

87491, 87591

Specimen Information

Collect

Cervical specimen with ThinPrep Pap Test Collection kit.

Specimen Preparation

Vartek ThinPrep PreserveCyt solution and transfer 1.0 mL to Aptima specimen transfer tube.

Alternate Specimen

ThinPrep PreseveCyt solution

Transport Temperature

Refrigerated

Rejection Criteria

Transport media other than listed above. Specimens from patients that are less than 16 years.

Stability

ThinPrep:
Room temperature: 1 month
Refrigerated: 1 month
Frozen: Unacceptable

Aptima Specimen Transfer tube:
Room temperature: 2 weeks
Refrigerated: 1 month
Frozen: 12 months

Methodology

Transcription-Mediated Amplification

Reference Range

Negative

Performing Laboratory

ARUP

New York DOH Approval Status

Yes

Turnaround Time

1 - 3 days

Performed

Sunday - Saturday

Legacy Code

CHGCTPRP

Example Report

Download

Interface Map for CNTTP

Test Name	Ordering Code	Result Code	Component Name	LOINC Code	AOE Prompt
C. trichomatis/ N.gonnorrhoeae by TMA, ThinPrep	3620200
		3620220	Specimen Source	31208-2	Yes
		3620240	C. trachomatis by TMA, ThinPrep	43304-5	No
		3620260	N. gonorrhoeae by TMA, ThinPrep	43305-2	No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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