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Lab Test Dictionary

Chlamydia/N. gonorrhoeae and T. vaginalis RNA, Qualitative TMA (16492) (Back-Up/APTIMA only)

Methodology

Transcription-Mediated Amplification (TMA)


Synonyms

Vaginosis discharge; vaginal discharge; leukhorrea; asymptomatic cervicitis

Specimen Type

Urine or Swab

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

LAB01424

Lab Test Days

Daily

Standard TAT

1-2 Days


Collection Information

Specimen Required

1 vaginal swab in Aptima Transport Tube or 1 endocervical swab in Aptima Transport Tube or 2 mL female urine in Aptima Transport Tube

Container Type

APTIM Transport Tube

Collection Instructions

Female or male Urine (no preservatives): 2 mL of urine, specimen must be transferred into the Aptima Urine Transport Medium within 24 hours of collection and before being assayed. Vaginal swab: Follow instructions in the Aptima Vaginal Swab Collection or Multitest Collection Kit (orange label). Endocervical swab: Follow instructions in the Aptima Unisex Swab Specimen Collection Kit (white label). In females, to ensure collection of cells infected with N. gonorrhoeae/C. trachomatis, columnar epithelial cells lining the endocervix should be obtained. Excess mucus should be removed prior to sampling. Urine: Direct patient to provide a first-catch urine (a maximum of 20-30 mL of the initial urine stream) into a urine collection cup free of any preservatives. 2 mL of urine specimen must be transferred into the Aptima Specimen Transport within 24 hours of collection and before being assayed. Use the tube provided in the urine specimen collection kit. The fluid (urine plus transport media) level in the urine transport tube must fall within the clear pane of the tube label.


Processing Information - Lab Use Only

Transport Temperature

Room Temp-OK/Refrigerated-OK/Frozen-OK

Specimen Stability

Room Temp: 60 Days (30 Days for Urine APTIMA); Refrigerated: 60 Days (30 Days for Urine APTIMA); Frozen: 6 Months

Rejection Criteria

Transport tubes with 2 swabs; Transport tubes with non-Aptima swabs; Swab transport tubes with no swab; Specimens in broken containers; Swab submitted in viral transport media; Urine samples where the fluid level is not between the black fill lines; Pap vials

Processing Instructions

Female or male Urine (no preservatives): 2 mL of urine, specimen must be transferred into the Aptima Urine Transport Medium within 24 hours of collection and before being assayed.


CPT Codes

87491, 87591, 87661


Revised

5/2/24

Initials

SA