Does Q51.5 require prior authorization?

No, Q51.5 does not require prior authorization (high confidence). Covered without prior authorization.

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`Q51.5`, Agenesis and aplasia of cervix

ICD-10-CM

Prior Authorization

No Prior Auth Required

Covered without prior authorization (high confidence)

Documentation Required

This billing and coding article provides guidelines that complement Local Coverage Determination L34415 for CT of the abdomen and pelvis; consult LCD L34415 for specific coverage indications, limitations, and documentation requirements.
Laboratory validation/assay information when novel tests (FISH, methylation assays, mRNA assays, p16/Ki-67 dual stain) are used: method, probes/markers used, thresholds and interpretation criteria, and correlation with histology.
The document does not state explicit documentation requirements for coverage or billing.
Study-specific documentation referenced in the literature included cytology, hrHPV DNA status, mRNA test results, colposcopy findings, and histopathologic follow-up (e.g., CIN2+ endpoints) — but no payer-required documentation instructions are provided in the text.

Key Coverage Criteria

HPV DNA testing medically necessary: "Follow-up of women with low-grade squamous intra-epithelial lesions (LSIL) who have had negative colposcopy results within the past 2 years."
Li et al (2021): "This large routine-clinical-practice study confirmed the previously reported high sensitivity of hrHPV mRNA testing for the detection of high-grade cervical dysplasia and cervical cancers." (Aptima hrHPV mRNA testing co-testing data in HSIL cytology cases)
Zhang et al (2022): "The authors concluded that the AHPV assay is both specific and sensitive for detecting HSIL+ and may be suitable for use in primary cervical cancer screening in China. AHPV genotyping with reflex LBC triage may be a feasible triage strategy."
UpToDate (quoted in document): "RNA-based methods are not approved for primary HPV testing. However, they may be as effective as DNA-based methods in detecting cervical disease... Further studies evaluating RNA-based methods for primary HPV testing are needed."
Consistent with guidelines from the U.S. Preventive Services Task Force (USPSTF) and the American College of Obstetricians and Gynecologists (ACOG), Aetna considers annual cervical cancer screening with conventional or liquid-based Papanicolaou (Pap) smears a medically necessary preventive service for nonhysterectomized women age 21 years and older.
Pap screening is considered medically necessary beginning in adolescence in HIV-infected women. The ACOG guidelines on cervical cancer in adolescents (2010) recommend that adolescents with HIV have cervical cytology screening twice in the first year after diagnosis and annually thereafter.

4 Active Policies

AETNA-CPB-0327, Infertility

AETNA-CPB-0443, Cervical Cancer Screening and Diagnosis

AETNA-CPB-0530, Transvaginal Ultrasonography

A56421, Billing and Coding: CT of the Abdomen and Pelvis

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Q51.5, Agenesis and aplasia of cervix