Laboratory Fee Schedule
Procedure Number: N/A
| Synonym(s): | Carbapenem Resistant Enterobacterales, Pseudomonas aeruginosa, Antimicrobial, Acinetobacter baumanii, ARLN, CRE, CRPA, CRAB, CRO, Colonization screening, Cepheid, PCR, CARBA-R |
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| Requisition Form | G-2E |
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| Test Description | Detection of carbapenem-resistant organisms from colonization screening swabs by real time PCR. |
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| Pre-Approval Needed | - Yes; please first obtain permission from a DSHS HAI epidemiologist to submit a specimen for screening.
- Email ICAR@dshs.texas.gov to schedule a screening.
- Email TexasARLN@dshs.texas.gov to order specimen collection swabs and shipping supplies.
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| Supplemental Information Required | N/A |
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| Supplemental Form(s) | N/A |
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| Performed on Specimens from (sources) | Human |
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| Sample/Specimen Type for Testing | - Rectal swab (Copan Cepheid Sterile Transport Dual Swab).
- Specimens from pediatric patients are not accepted for testing.
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| Minimum Volume/Size Required | One dual swab. Refer to swab collection instructions. |
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| Storage/Preservation Prior to Shipping | - Swabs may be stored and shipped at ambient temperatures or stored and shippedrefrigerated (4°C–8°C) on multiple cold packs.
- Swabs should be shipped overnight.
- Ensure swabs are not expired; expired swabs are not acceptable.
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| Transport Medium | N/A |
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| Specimen Labeling | - At least two patient identifiers required on specimen (e.g., patient full name, date of birth, medical record number).
- Three patient identifiers are preferred.
- Identifiers on specimen must exactly match identifiers in submission form (e.g. abbreviated name on label and full name on form is not acceptable).
- Additional DSHS Laboratory specimen labeling guidelines available online here.
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| Shipping and Specimen Handling Requirements | - Ship according to Dangerous Goods Regulations, IATA, and/or CFR 49.
- Category B Biological Substance, UN3373 shipping requirements apply.
- Submitters are responsible for packaging and shipping specimens according to regulatory requirements.
- Additional DSHS Laboratory specimen labeling guidelines online here.
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| Method | Identification of CRO by real time PCR on Cepheid GeneXpert system. |
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| Turn-around Time | 2 working days |
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| Interferences/Limitations | - These results should be used only for epidemiological purposes and not for patient treatment.
- Performance of this test for specimens from pediatric patients has not been evaluated.
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| Common Causes for Rejection | - Missing identifiers on specimen or submission form.
- Mismatch between specimen and/or submission form identifiers.
- More than five days between time of swab collection and arrival at Laboratory.
- Specimen collected on expired swab.
- Excessively soiled swabs.
- Specimen collection guidance available from AR Laboratory, email TexasARLN@dshs.texas.gov or refer to online guidance.
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| Additional Information | N/A |
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