E66 with Aetna: what the policy says
The short answerYes. Aetna's CPB 0049 covers E66.01 through E66.2 and E66.811 through E66.9 as obesity for nutritional counseling. E66.3 overweight counts only for adults with a cardiovascular risk factor.
By Javier Alvarez · Updated · 1 min read
1 row: Aetna. Public policy, not the member's benefits.
Aetna
Commercial · All states
| 97802 | Listed [1] |
|---|---|
| 97803 | Listed [1] |
| G0270 | Listed [1] |
| G0271 | Listed [1] |
| Diagnoses | E66.x obesity; E66.3 overweight and Z68.25 to Z68.29 only with a cardiovascular risk factor; Z68.30 to Z68.45; F50.x eating disorders. Diabetes, kidney disease, hypertension and GI disorders are named as covered conditions. Z71.3 is not in the coding section. [1] |
| Other codes | 97804, G0447, G0473 and S9470; 99401 to 99412 as related codes. [1] |
| Telehealth POS | Not published: call the payer. |
| Telehealth modifier | Not published: call the payer. |
| Visit limits | Weight-reduction counseling for adults with a BMI of 30 or more: up to 26 individual or group visits per 12 months, combined across providers. No general MNT visit limit in the policy; other limits are set by the plan. [2] |
| Referral and prior auth | "Some plans require referrals." The policy states no prior authorization. [1] |
- Aetna: Clinical Policy Bulletin 0049, Nutritional Counseling (page as shown 2026-10-30), checked October 30, 2026
- Aetna: Clinical Policy Bulletin 0039, Weight Reduction Medications and Programs, checked October 22, 2026
What Aetna's policy says about E66
E66 is the ICD-10-CM code for overweight and obesity. At Aetna it is listed: named in the payer's public policy. Each line below is from Aetna's own text:
- Where it is listed. The coding table covers E66.01 to E66.2 and E66.811 to E66.9 as obesity, with 97802, 97803, 97804, G0270, G0271, G0447, G0473 and S9470 on the procedure side. (Aetna, checked October 30, 2026)
- Billed with. The medical necessity statement calls nutritional counseling a preventive service for children and adults who are obese, so E66 obesity is the diagnosis behind the first covered indication. (Aetna, checked October 30, 2026)
- When it pays. E66.3 (overweight) is covered only for adults with a BMI over 25 who also have hypertension, dyslipidemia, impaired fasting glucose or the metabolic syndrome. (Aetna, checked October 30, 2026)
E66 at other payers
- E66 with Blue Cross NC: listed.
- E66 with UnitedHealthcare: listed.
- E66 with Anthem Blue Cross and Blue Shield: listed.
The rest of Aetna's MNT rules
The Aetna row has its codes, telehealth rule, limits and referrals, each with its source. Other codes we checked at Aetna: Z68. What E66 means at any payer is on the E66 code page. Before the claim goes out, compare it with the row in the table above, then download the PDF of what you see.