Aetna Total Ankle Arthroplasty prior authorization requirements (2026)
What Aetna generally requires to approve Total Ankle Arthroplasty (CPT 27702), for Commercial plans. Yes. Aetna generally requires prior authorization for Total Ankle Arthroplasty (CPT 27702).
Medical-necessity criteria Aetna generally applies
Covered as an alternative to ankle arthrodesis when imaging confirms severe ankle arthritis/degeneration (osteoarthritis, post-traumatic arthritis, rheumatoid or other inflammatory arthritis). Recent in-person physical therapy is required (within the past year, at least 6 weeks; 12 weeks if age under 50 or BMI over 40), confirmed by PT notes or claims history. Conservative therapy may not be required for severe bone-on-bone osteoarthritis of the weight-bearing joint. Contraindications include severe ankle deformity (e.g., severe varus/valgus), severe osteoporosis or poor bone quality, and vascular insufficiency in the affected limb.
Diagnoses that commonly support medical necessity
ICD-10-CM diagnoses frequently associated with medical necessity for Total Ankle Arthroplasty. Confirm the covered diagnosis list against the current Aetna policy.
Commonly required documentation
- All medical records requested must be submitted
- complete all sections of submission
Situations to verify before submitting
Aetna may not cover Total Ankle Arthroplasty in these situations. Verify against the current policy rather than assuming a denial:
- {"text":"Severe ankle deformity (e.g., severe varus or valgus deformity)","source":"Aetna CPB 0645 Total Ankle Arthroplasty"}
- {"text":"Severe osteoporosis, osteopenia, or other conditions resulting in poor bone quality","source":"Aetna CPB 0645 Total Ankle Arthroplasty"}
- {"text":"Vascular insufficiency in the affected limb","source":"Aetna CPB 0645 Total Ankle Arthroplasty"}
How to submit
- Method: portal
- Typical turnaround: about 3 days
Source
Precertification requests must be submitted at least two weeks in advance. Source: Aetna Clinical Policy Bulletin 0645 Total Ankle Arthroplasty (www.aetna.com/cpb/medical/data/600_699/0645.html). Last verified 2026-06-11.
Frequently asked questions
Does Aetna require prior authorization for Total Ankle Arthroplasty?
Yes. Aetna generally requires prior authorization for Total Ankle Arthroplasty (CPT 27702).
What does Aetna require to approve Total Ankle Arthroplasty?
Covered as an alternative to ankle arthrodesis when imaging confirms severe ankle arthritis/degeneration (osteoarthritis, post-traumatic arthritis, rheumatoid or other inflammatory arthritis). Recent in-person physical therapy is required (within the past year, at least 6 weeks; 12 weeks if age under 50 or BMI over 40), confirmed by PT notes or claims history. Conservative therapy may not be requi… Always confirm against the current Aetna policy.
How long does a Aetna prior authorization take?
Aetna typically decides Total Ankle Arthroplasty requests in about 3 days. Timeframes vary; check the payer portal.
Submitting Total Ankle Arthroplasty to Aetna?
Praxigen checks your clinical note against these criteria before you submit and drafts a policy-cited appeal if it is denied. You review and submit; nothing is sent automatically.