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Diagnostic Testing of Common Sexually Transmitted Infections
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Defines coverage and limitations for laboratory testing of common STIs (Chlamydia trachomatis, Neisseria gonorrhoeae, Treponema pallidum, Trichomonas vaginalis, HSV, HPV, and Mycoplasma genitalium) for Oscar Health members. Applies to providers submitting claims to Oscar and outlines when specific tests meet criteria or do not meet criteria.
No material clinical or coverage changes in this revision.
Coverage Criteria for STI Diagnostic Testing
Syphilis antibody testing (meets criteria)
Covered when any of the following FOR SYPHILIS antibody testing are met
See Notes 1 & 2 for high-risk definitions
See Note 3 for signs/symptoms
Syphilis - Not medically necessary / Not covered
Not covered situations for syphilis testing
NAAT/PCR for Treponema pallidum is not FDA-approved and not typically performed for genital syphilis
Chlamydia NAAT (meets criteria)
Covered when any of the following FOR CHLAMYDIA NAAT are met
See Notes 1 & 4
See Note 5
Request genotyping for LGV when C. trachomatis is detected
Chlamydia NAAT - Limited screening
Chlamydia screening in low-risk asymptomatic individuals
See Note 4
Chlamydia - Not medically necessary / Not covered
Chlamydia - Not covered
Gonorrhea NAAT (meets criteria)
Covered when any of the following FOR GONORRHEA NAAT are met
See Notes 1 & 4
See Note 6
Gonorrhea - antimicrobial susceptibility via culture
Gonorrhea - Additional covered testing
Maintain culture capacity for suspected treatment failure and surveillance
Gonorrhea NAAT - Limited screening
Gonorrhea screening in low-risk asymptomatic individuals
Trichomonas vaginalis NAAT (meets criteria)
Trichomonas vaginalis testing
See Note 7
Retest ~3 months due to reinfection risk
See Note 8
Trichomonas - Not medically necessary / Not covered
Trichomonas - Not covered
Wet mount has low sensitivity; use NAAT where possible
Mycoplasma genitalium testing
Mycoplasma genitalium testing
See Note 9 for symptom details (e.g., urethritis, cervicitis)
CDC does not recommend asymptomatic screening
Multitarget PCR (meets criteria)
Multitarget PCR testing coverage
Multiplex assays acceptable when limited to listed targets
Herpes simplex virus testing
Herpes simplex virus testing
PCR/NAAT preferred for lesion testing
CDC-recommended contexts
Routine serologic screening of asymptomatic individuals not recommended
USPSTF recommends against routine serologic screening
HPV testing
HPV testing
Use per oncologic or cytology indications
Do not use HPV testing for routine STI panels
PrEP-related STI screening
PrEP-associated screening
Follow CDC PrEP screening guidance
Not supported by evidence
Tests explicitly not meeting criteria due to insufficient evidence
Resistance NAATs not supported as standard clinical requirement
Direct/quantitative NAATs not supported by evidence in this context
Diagnostic testing recommendations
Diagnostic testing and indications summarized from the clinical background and assay labeling:
source: chunk 27
source: chunk 29
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source: chunk 28
source: chunk 36 and 37
source: chunk 34
Informational: Assay indications and evidence
Assay-specific indicated uses and evidence summaries (informational):
Manufacturer labeling; chunk 36-37 support
chunk 38
chunk 39
chunks 40,46,47
chunks 41,44,45
chunks 41,42,43
chunk 50
Chlamydia and Gonorrhea Screening and Testing
Covered when meeting guideline-based screening criteria and using recommended tests:
USPSTF Grade B for women
NAATs are more sensitive than culture; NAAT POC options available
CDC recommends culture capacity
Syphilis Testing
Covered when using recommended testing algorithms and clinical indications:
Use of only one serologic test is insufficient
Follow-up evaluation per CDC guidance
CDC recommends universal early screening
HSV (Herpes Simplex Virus) Testing
Covered when clinically indicated rather than for routine screening:
USPSTF recommends against routine serologic screening
CDC guidance
Mycoplasma genitalium Testing
Covered in specific clinical scenarios:
CDC recommends resistance testing when available
HPV Testing
Covered per cervical cancer screening recommendations and limited clinical uses:
CDC guidance
No approved test for HPV in men
Trichomonas Testing and Follow-up
Trichomonas testing and follow-up
CDC recommends NAATs for higher sensitivity
CDC follow-up recommendation
PrEP-related STI Screening
Covered as part of PrEP monitoring:
CDC recommends STI screening frequency for PrEP users
Guideline-based covered testing criteria (excerpt)
Covered when testing matches guideline indications and specimen/site-specific recommendations:
Indications include symptomatic urethritis, vaginal/cervical discharge with risk factors, PID, proctitis, neonatal pneumonia, and risk-based asymptomatic screening
Extragenital NAAT availability depends on local laboratory capacity
Direct detection (PCR) is preferred for lesions or oral sites; darkfield no longer routine
Serology not routine in asymptomatic patients
Specific indications not detailed in excerpt
Repeat testing may be needed per guideline
Guideline-based coverage contexts
Guideline-based testing recommendations and contexts from source societies:
CPS 2024 practice point supports repeat testing and newborn management
BASHH, IUSTI and other guidelines recommend NAAT
BASHH/UK National Guidelines 2024
BASHH guidance
NICE guidance for people on PrEP
Direct probe detection and/or quantitative NAAT for C. trachomatis, N. gonorrhoeae, HSV‑1, HSV‑2, T. pallidum, and T. vaginalis DO NOT MEET CRITERIA and are not covered under the situations described in this policy.
NAAT/PCR for Treponema pallidum is not FDA‑approved for routine genital syphilis diagnosis and is not typically performed; the policy cites the lack of an internationally approved PCR for T. pallidum and emphasizes reliance on validated methods with appropriate quality controls.
Point‑of‑care immunochromatographic antigen tests for C. trachomatis and N. gonorrhoeae have substantially lower sensitivity than laboratory NAATs (pooled POCT sensitivity ~37%–63% for chlamydia and 12.5%–70% for gonorrhea depending on sample), and therefore are not recommended as screening tests in this policy; near‑patient NAATs show much higher pooled sensitivity (>98%) and specificity (~99.4%).
HPV testing is supported when used for cervical cancer screening or cancer‑related assessment per guideline‑based indications, but HPV NAAT is not recommended for general STI panel screening, for testing men, for routine screening of adolescents, or for diagnosis of anogenital warts because results would not alter management.
Routine serologic screening for genital herpes (HSV‑2) in asymptomatic adolescents and adults, including pregnant persons, is not recommended due to high rates of false‑positive results and unclear benefit; type‑specific testing is reserved for specific clinical scenarios.
HPV detection and typing is not recommended for diagnosis or management of anogenital warts because test results are not confirmatory and do not influence wart management decisions.
Oncogenic HPV testing is not recommended for asymptomatic men or as part of general population STI testing; HPV NAATs are intended for cervical cancer screening in specified female age groups and are not appropriate as routine STI screening for men or for asymptomatic individuals outside guideline‑recommended cervical screening contexts.
Procedure and proprietary test codes listed in this policy are provided as a general reference only; they may not be all‑inclusive and should be matched to the specific billed service and applicable coding guidance when submitting claims.
The references and publication history section lists evidence sources and does not itself state coverage exclusions or medical necessity criteria; consult the body of the policy for coverage determinations supported by the cited literature and guideline documents.
Multiple specific test types are explicitly identified as not meeting criteria in particular circumstances, including treponemal testing in individuals with prior syphilis, PCR/NAAT/antigen testing for syphilis, culture/antibody/antigen methods for chlamydia, rapid enzyme immunoassay for Trichomonas, NAAT screening for asymptomatic Mycoplasma genitalium, and direct probe/quantitative NAAT applications described in the policy.
Use of NAAT or PCR for routine genital syphilis diagnosis is not supported by FDA approval or international standards per the policy; syphilis diagnosis is based primarily on two‑tiered serologic testing with treponemal and nontreponemal assays, with molecular methods reserved for specific adjunctive uses.
Antigen POCTs for C. trachomatis demonstrate inadequate sensitivity for screening compared with laboratory or near‑patient NAATs and therefore are not recommended as screening tests; near‑patient NAATs offer substantially improved sensitivity but require equipment, electricity, and longer run times.
Routine serologic screening for HSV in asymptomatic patients is not recommended; type‑specific serology may be useful only in defined clinical contexts such as recurrent or atypical symptoms, exposure to an infected partner, or specific counseling scenarios.
Consistent with USPSTF and CDC guidance summarized in this policy, routine serological testing for HSV in asymptomatic individuals does not meet criteria and should not be performed as population screening.
Routine HPV testing for men, adolescents, or women outside age‑based cervical cancer screening recommendations is not recommended; HPV tests are intended for cervical cancer screening in women per guideline age ranges and are not appropriate as a general STI screen.
There are no 'not medically necessary' statements contained within the references and publication history section itself; those bibliographic entries support the coverage positions presented in the policy body.
Procedure and Proprietary Test Codes
| 86592 | Syphilis test, non-treponemal antibody; qualitative (eg, VDRL, RPR, ART) |
| 86593 | Syphilis test, non-treponemal antibody; quantitative |
| 86631 | Antibody; Chlamydia |
| 86632 | Antibody; Chlamydia, IGM |
| 86694 | Antibody; herpes simplex, non-specific type test |
| 86695 | Antibody; herpes simplex, type 1 |
| 86696 | Antibody; herpes simplex, type 2 |
| 86780 | Antibody; Treponema pallidum |
| 87081 | Culture, presumptive, pathogenic organisms, screening only |
| 87110 | Culture, Chlamydia, any source |
| 87624 | Infectious agent detection by nucleic acid (DNA or RNA); Human Papillomavirus (HPV), high-risk types, pooled |
| 87626 | Infectious agent detection by nucleic acid (DNA or RNA); Human Papillomavirus (HPV), types 16 and 18 only |
| 87660 | Infectious agent detection by nucleic acid (DNA or RNA); Trichomonas vaginalis, direct probe technique |
| 87661 | Infectious agent detection by nucleic acid (DNA or RNA); Trichomonas vaginalis, amplified probe technique |
| 87797 | Infectious agent detection by nucleic acid (DNA or RNA), not otherwise specified; direct probe technique, each organism |
| 87798 | Infectious agent detection by nucleic acid (DNA or RNA), not otherwise specified; amplified probe technique, each organism |
| (unspecified codes referenced in text) | Additional NAAT codes for Chlamydia trachomatis, Neisseria gonorrhoeae, Herpes simplex virus, Mycoplasma genitalium referenced in narrative |
| 87624 | Infectious agent detection by nucleic acid (DNA or RNA); Human Papillomavirus (HPV), high-risk types, pooled |
| 87626 | Infectious agent detection by nucleic acid (DNA or RNA); Human Papillomavirus (HPV), separately reported high-risk types |
| 87660 | Infectious agent detection by nucleic acid (DNA or RNA); Trichomonas vaginalis, direct |
| 87661 | Infectious agent detection by nucleic acid (DNA or RNA); Trichomonas vaginalis, amplified probe technique |
| 87797 | Infectious agent detection by nucleic acid (DNA or RNA), not otherwise specified; direct probe technique, each organism |
| 87798 | Infectious agent detection by nucleic acid (DNA or RNA), not otherwise specified; amplified probe technique, each organism |
| 87799 | Infectious agent detection by nucleic acid (DNA or RNA), not otherwise specified |
| 87800 | Infectious agent detection by nucleic acid (DNA or RNA), quantification, each organism |
| 87808 | Infectious agent antigen detection by immunoassay with direct optical observation; Trichomonas vaginalis |
| 0210U | Syphilis test, non-treponemal antibody, immunoassay, quantitative (RPR) - Proprietary test: BioPlex 2200 RPR Assay - Quantitative |
| 0483U | Infectious disease (Neisseria gonorrhoeae), sensitivity, ciprofloxacin resistance (gyrA S91F point mutation) |
| 0484U | Infectious disease (Mycoplasma genitalium), macrolide sensitivity (23S rRNA point mutation) |
| Unspecified | Multiple organism multiplex assays (eg, Abbott Alinity m STI Assay) described with specimen types and reporting per pathogen; specific CPT usage referenced in text. |
Provider Responsibilities, Prior Authorization & Documentation
Meet authorization & medical necessity
Services must meet authorization and medical necessity guidelines for the procedure, diagnosis, and the member’s state of residence; coverage does not guarantee reimbursement.
Prior authorization not specified — follow manufacturer labeling
No explicit prior authorization requirements are stated in the policy excerpt; follow manufacturer indications (e.g., BD Onclarity) and standard laboratory regulations when ordering assays.
No PA requirements listed in excerpt
This policy excerpt does not list specific prior authorization requirements or identify affected billing codes for STI diagnostic tests.
Order tests per labeling and guideline indications
Providers must follow the explicit clinical and laboratory guidance in the policy when ordering tests; use manufacturer labeling and guideline-based indications to justify testing.
No PA for routine STI tests in excerpt
No prior authorization requirement for STI diagnostic tests is specified in these sections of the policy.
Reference applicable procedure codes when billing
Procedure codes for syphilis, chlamydia, gonorrhea, HSV, HPV, Trichomonas, Mycoplasma genitalium and other STI tests are listed in the policy and should be referenced when submitting claims.
Use listed procedure & proprietary test codes for claims
Proprietary and procedure codes (CPT/HCPCS and PLA codes) are provided for reference in the policy; use the appropriate code per payer rules and match specimen source to billed code.
No prior authorization requirements in this section
This section of the policy does not specify any prior authorization requirements for the listed STI diagnostic services.
Submit accurate coding and documentation
Providers should ensure submitted claims include accurate coding and supporting documentation per industry-standard coding guidelines; failure may result in denial or recoupment.
- Code claims according to CPT, HCPCS, ICD-10 and other standard coding guidance.
- Submit documentation supporting medical necessity and the procedure performed.
Use two-tiered serologic testing for syphilis
For syphilis diagnosis, use a two-tiered serologic testing algorithm combining treponemal and nontreponemal tests; relying on a single serologic test is insufficient for diagnosis.
- Perform both a treponemal test (e.g., TP-PA, EIA/CLIA) and a nontreponemal test (e.g., RPR or VDRL) per standard algorithms.
- Recognize NAAT/PCR for T. pallidum is not FDA-approved for routine genital syphilis diagnosis.
No step therapy requirements stated
No step therapy requirements are described in this policy section.
Document age, cytology, screening history for BD Onclarity
Providers must document patient age, cervical cytology results (e.g., ASC-US), screening history, and risk factors when ordering BD Onclarity HPV testing to support appropriate use per manufacturer indications.
Document prenatal STI testing and repeat tests as indicated
Pregnancy screening must include documentation of syphilis, HIV, hepatitis B and C testing early in pregnancy; repeat testing may be required at 28–32 weeks and at delivery for individuals at increased risk.
- Document timing and results of maternal syphilis testing to support newborn management.
- Rescreen pregnant individuals per risk (e.g., age <25, new partner, ongoing risk).
Perform quantitative RPR/VDRL for syphilis reflex testing
When serologic testing for syphilis is used, perform quantitative non-treponemal testing (RPR or VDRL) quantitatively to allow reflex/interpretation and follow reflex confirmatory testing per algorithm.
- Quantitative NTT titers (RPR/VDRL) should be reported to permit reflex testing and interpretation.
- Reflex to confirmatory treponemal tests as described by testing algorithm.
Use correct specimen type per assay labeling
Use the appropriate specimen type and follow assay labeling when ordering proprietary or multiplex assays; the policy lists specimen types matched to each assay.
- Match billed procedure codes to the specimen source (vaginal, endocervical, rectal swab, female or male urine).
- Follow manufacturer specimen instructions for proprietary assays (e.g., Abbott Alinity, Cepheid).
Claims may be denied or recouped for improper coding/documentation
Failure to follow coding/billing guidelines, reimbursement policies, or to submit required documentation may result in claim denial or recoupment.
Do not use assays outside manufacturer indications
Using assays outside FDA or manufacturer indications (for example BD Onclarity outside indicated age or cytology contexts) may lead to unsupported testing decisions and denials.
Avoid single-test syphilis diagnoses — use combined tests
Using only one type of serologic test (nontreponemal or treponemal) is insufficient for syphilis diagnosis and can produce false-negative or false-positive conclusions; perform combined testing as required.
Verify procedure codes — policy list is for reference only
Procedure codes shown in Medical Policy documents are provided as a general reference and may not be all-inclusive; verify codes and payer rules before billing.
Clinical Background and Rationale
Sexually transmitted infections include bacterial and viral pathogens transmitted through sexual contact and can result in significant sequelae such as pelvic inflammatory disease, infertility, neurologic or cardiac complications, and cancers. This policy focuses coverage and limitations for testing of select common STIs (C. trachomatis, N. gonorrhoeae, T. pallidum, T. vaginalis, HSV, HPV, and guidance for M. genitalium) and aligns testing recommendations with guideline‑based indications.
Definitions and Key Terms
Policy Revision History
Original documentation and governance approval of the policy.
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