Prescription Digital Therapeutics — CPB 0999 | AETNA Coverage Update

Aetna modified CPB 0999 governing prescription digital therapeutics coverage, effective January 5, 2026. Here's what billing teams need to know.

Aetna, a CVS Health company, updated its prescription digital therapeutics (PDT) coverage policy under CPB 0999 Aetna system. The update draws a sharp line: one product gets covered, and 23 others stay firmly in "experimental and investigational" territory. If your practice bills HCPCS codes A9291, A9292, A9293, E1905, G0552, G0553, G0554, S9002, or T1505 for PDT services, this policy defines exactly what you'll get paid for — and what will generate a claim denial.

Quick-Reference Table

Aetna Prescription Digital Therapeutics Coverage Criteria and Medical Necessity Requirements 2026

The Aetna prescription digital therapeutics coverage policy covers exactly one product. Natural Cycles, an FDA-cleared fertility tracking app, meets medical necessity under federal preventive care mandates. Your treating provider must prescribe it.

Coverage is limited to one annual subscription per benefit period. No additional supplies or services beyond that single subscription are covered. Bill this using HCPCS code A9293 — "fertility cycle tracking software application, FDA cleared, per month" — and make sure your documentation shows a prescribing provider's order.

The prior authorization requirements for Natural Cycles aren't explicitly spelled out in CPB 0999, but the medical necessity standard requires a provider prescription. Treat that prescription as your documentation anchor. Without it, you're exposed on every claim.

This coverage exists because federal preventive care mandates require coverage of FDA-approved or cleared contraceptive methods. Aetna is following the letter of that mandate — nothing more. Reimbursement applies to the subscription cost. There's no pathway in this policy for billing associated clinical visits or remote monitoring under this benefit.

Aetna Prescription Digital Therapeutics Exclusions and Non-Covered Indications

This is where the policy does the most work. Aetna labels 23 PDTs as experimental, investigational, or unproven. The reason cited for every single one: insufficient evidence in published peer-reviewed literature.

That's a broad brush. Some of these products have FDA clearance. Several have published clinical data. But Aetna's evidence threshold isn't met by FDA clearance alone — they want peer-reviewed literature showing effectiveness, and they've decided it isn't there yet.

The full excluded list:

The real issue here is what this means for your revenue cycle. If your providers have been prescribing any of these and you've been submitting claims under HCPCS codes A9291, A9292, E1905, G0552, G0553, G0554, or S9002 for Aetna patients, you're generating denials. This coverage policy gives you no path to appeal on medical necessity grounds — Aetna's position is that the evidence base doesn't support coverage, full stop.

If you're managing patients in behavioral health, sleep medicine, diabetes management, or ophthalmology who use these tools, this is a patient communication issue as much as a billing issue. Set expectations now.

Coverage Indications at a Glance

Aetna Prescription Digital Therapeutics Billing Guidelines and Action Items 2026

1. Audit your active PDT claims before January 5, 2026.
Pull every open or pending claim for HCPCS codes A9291, A9292, E1905, G0552, G0553, G0554, and S9002 for Aetna patients. Any claim tied to the 23 excluded products should not go out the door expecting payment.

2. Set up A9293 as the sole reimbursable PDT code for Aetna.
Update your charge capture to flag A9293 as the only Aetna-reimbursable prescription digital therapeutics billing code under CPB 0999. All other PDT HCPCS codes should route to a denial-expected workflow for Aetna patients.

3. Confirm provider prescriptions exist for every Natural Cycles claim.
Medical necessity under this coverage policy requires a treating provider's prescription. Your documentation must show that order. No prescription, no coverage — and no successful appeal.

4. Check the one-subscription-per-benefit-period limit.
Before billing A9293 for a returning patient, verify no prior claim for Natural Cycles has already been paid in the current benefit period. A second subscription in the same period won't be covered, and submitting it creates unnecessary claim denial noise.

5. Brief your behavioral health, endocrinology, and sleep medicine billing staff.
The excluded product list spans multiple specialties. CPB 0999 includes codes such as G0552, G0553, and G0554 — which describe digital mental health treatment device services — as well as T1505, listed as a related code in the policy. If your teams are billing any of these codes for Aetna patients in connection with excluded PDTs, those claims are generating denials. Talk to your compliance officer before applying any of these codes to specific products, since CPB 0999 does not define explicit product-to-code mappings for the excluded list.

6. Update patient-facing financial counseling materials.
If your practice supports or recommends PDTs to patients — especially Endeavor Rx for ADHD, Freespira for PTSD, or Nerivio for migraine — patients with Aetna coverage need to know out-of-pocket costs before they start. Don't let billing surprise them after the fact.

7. Talk to your compliance officer if you're billing professional services alongside PDTs.
CPB 0999 doesn't address concurrent billing for provider visits or remote monitoring tied to PDT use. If your billing guidelines include G0553 or G0554 for treatment management services alongside an excluded PDT, that's a gray area. Ask your compliance officer how Aetna is handling those combinations before the effective date of January 5, 2026.

CPT, HCPCS, and ICD-10 Codes for Prescription Digital Therapeutics Under CPB 0999

Covered HCPCS Codes (When Medical Necessity Criteria Are Met)

Not Covered / Experimental HCPCS Codes

These codes are not covered when billed for the excluded PDTs listed in CPB 0999. Billing any of these for Aetna patients under the associated products will result in denial. CPB 0999 does not define explicit product-to-code mappings for the excluded product list — consult your billing team or compliance officer to determine which codes apply to specific products in your charge master.

No ICD-10-CM diagnosis codes are specified in CPB 0999.