Overview
Sexually transmitted infection (STI) molecular panels detect selected pathogen nucleic acid targets from specimens validated for the ordered assay. Specimen types, target menus, and reporting language are institutional.
Classification
| Application element | Focus |
|---|---|
| Clinical question | Selected STI targets detected? |
| Usual specimen | Assay-approved urine/swab/site |
| Target detected | Selected pathogen DNA/RNA on menu |
| Basic method | Extract → amplify/detect → controls → report |
| Role of controls | Pass before patient target calls |
| Result categories | Detected / not detected / invalid |
| Major limitations | Specimen mismatch, menu scope, residual NA |
| Correlation | Clinical findings; other tests when needed |
Morphologic Features
Not applicable, this entry covers molecular STI panel testing, not morphologic identification.
Laboratory Characteristics
- Confirm specimen type and site match the ordered assay
- Panel negatives do not rule out pathogens outside the menu
- Detection alone does not prove clinical significance
Reference Intervals
Not a universal numeric interval for typical qualitative STI panels. Follow assay-specific reporting rules.
Clinical and Laboratory Significance
Supports selected-target STI nucleic acid detection when specimen and assay match validation. Clinical significance depends on context, assay claims, and sometimes correlation with other findings.
Differential Considerations
Consider wrong specimen site, transport failure, residual nucleic acid, inhibition, invalid controls, or targets outside the panel before over- or under-interpreting results.
Comparison Tables
STI molecular panel checkpoints
| Statement | Safe understanding | Unsafe shortcut |
|---|---|---|
| Specimen type | Must match institutional assay validation | Any urine/swab always works |
| Detected target | Selected nucleic acid present under valid conditions | Always active disease significance alone |
| Assay menu | Institutional / assay-specific | One commercial panel is universal |
Classification Frameworks
Not applicable as a World Health Organization (WHO) disease classification entry.
Laboratory Notes
- Match specimen to institutional assay SOP before testing
- Detection ≠ automatic clinical significance
- Do not give treatment recommendations from training content
References
Authoritative textbooks, guidelines, and reviews supporting this reference entry. Verify reference intervals, critical limits, and reflex criteria against institutional protocols and current guideline editions.
Textbooks
- McPherson RA, Pincus MR. Henry's Clinical Diagnosis and Management by Laboratory Methods. 24th ed. Elsevier; 2021. (Molecular diagnostics chapters, verify current edition.)
- Buckingham L. Molecular Diagnostics: Fundamentals, Methods, and Clinical Applications. 3rd ed. F.A. Davis; 2019. (Verify current edition.)
CLSI and Professional Guidelines
- Clinical and Laboratory Standards Institute (CLSI). Consult current CLSI molecular method documents available through your laboratory, document numbers and editions change; do not treat any single CLSI title as universal.
- Institutional molecular laboratory SOPs, assay manufacturer instructions for use (IFU), and locally adopted accreditation requirements. Always verify current local practice.
Frequently Asked Questions
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