UnitedHealthcare Endovenous Ablation (Varicose Veins) prior authorization requirements (2026)
What UnitedHealthcare generally requires to approve Endovenous Ablation (Varicose Veins) (CPT 36475, 36476, 36478, 36479), for Commercial plans. Yes. UnitedHealthcare generally requires prior authorization for Endovenous Ablation (Varicose Veins) (CPT 36475, 36476, 36478, 36479).
Medical-necessity criteria UnitedHealthcare generally applies
Prior authorization required. Endovenous ablation of lower-extremity superficial truncal or perforator veins is reconstructive and medically necessary in certain circumstances; UnitedHealthcare delegates the detailed criteria to InterQual Client-Defined CP: Procedures (Endovenous Ablation, Lower Extremity Superficial Truncal or Perforator Vein), which are proprietary and not published in the policy. UHC defines pathologic reflux as >=0.5 seconds (superficial and perforator veins) and varicose veins as >=3 mm diameter (CEAP C2). Per AMA coding, the initial vein (36475) may be requested once per extremity and one add-on (36476) per extremity.
Diagnoses that commonly support medical necessity
ICD-10-CM diagnoses frequently associated with medical necessity for Endovenous Ablation (Varicose Veins). Confirm the covered diagnosis list against the current UnitedHealthcare policy.
Related procedure codes
Codes often billed alongside Endovenous Ablation (Varicose Veins): 36475, 36476, 36478, 36479. Verify the correct codes for your documentation.
Commonly required documentation
- Duplex ultrasound documenting reflux and vein anatomy
- symptom documentation per the InterQual endovenous-ablation subset.
Situations to verify before submitting
UnitedHealthcare may not cover Endovenous Ablation (Varicose Veins) in these situations. Verify against the current policy rather than assuming a denial:
- Endovenous mechanochemical ablation (MOCA) - unproven / not medically necessary
- Endovenous ablation of incompetent perforator veins using foam sclerotherapy - unproven
- Ablation of recurrent or residual perforator vein after a prior procedure - unproven
How to submit
- Method: UnitedHealthcare Provider Portal
- Portal: UnitedHealthcare Provider Portal
Source
Source: UHC Commercial policy 2026T0447SS Surgical and Ablative Procedures for Venous Insufficiency and Varicose Veins (eff 2026-07-01). Detailed thresholds are proprietary InterQual (not published). Last verified 2026-06-17.
Frequently asked questions
Does UnitedHealthcare require prior authorization for Endovenous Ablation (Varicose Veins)?
Yes. UnitedHealthcare generally requires prior authorization for Endovenous Ablation (Varicose Veins) (CPT 36475, 36476, 36478, 36479).
What does UnitedHealthcare require to approve Endovenous Ablation (Varicose Veins)?
Prior authorization required. Endovenous ablation of lower-extremity superficial truncal or perforator veins is reconstructive and medically necessary in certain circumstances; UnitedHealthcare delegates the detailed criteria to InterQual Client-Defined CP: Procedures (Endovenous Ablation, Lower Extremity Superficial Truncal or Perforator Vein), which are proprietary and not published in the polic… Always confirm against the current UnitedHealthcare policy.
How long does a UnitedHealthcare prior authorization take?
Turnaround varies by plan and submission method. Check the UnitedHealthcare portal for current timeframes.
Submitting Endovenous Ablation (Varicose Veins) to UnitedHealthcare?
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.